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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

141-97-9 Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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Hangzhou Johoo Chemical Co., Ltd

High quality products. Always supply highest grade to you. Purity:≥99% Reasonable & Competitive Price. Huge capacity determines the lowest shared cost. The more you buy the more competitive prices you will get. The sincerest and most pro

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Metric Ton

FOB Price: $5.5 / 10.5

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Ethyl acetoacetate Manufacturer/High quality/Best price/In stock

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality ethyl acetoacetate supplier in China

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb

Ethyl acetoacetate 141-97-9

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of Ethyl acetoacetate Cas 141-97-9 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Colorless to yellow liquid Storage:cool dry place Package:200kg/drum Appl

Manufacturer high quality Ethyl acetoacetate Cas 141-97-9 with good price

Cas:141-97-9

Min.Order:200 Kilogram

Negotiable

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

Service we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack according to your requirem

Ethyl acetoacetate//141-97-9

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Ethyl acetoacetate

Cas:141-97-9

Min.Order:1

Negotiable

Type:Other

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EAST CHEMSOURCES LIMITED

Founded in 2008, East Chemsources Limited is a professional manufacturer and supplier in food and chemical field in China. Through more than ten years development, our company has developed from single product at first to provide solution to final

Factory Supply Ethyl Acetoacetate

Cas:141-97-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% Ethyl acetoacetate 141-97-9 ISO Producer

Cas:141-97-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Ethyl Acetoacetate

Cas:141-97-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Acetoacetic acid ethyl ester

Cas:141-97-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Ethyl acetoacetate / LIDE PHARMA- Factory supply / Best price

Cas:141-97-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product name Ethyl acetoacetate CAS 141-97-9 Assay 99% Appearance Colorless liquid

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 141-97-9 with best quality

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Hot Sell Factory Supply Raw Material CAS 141-97-9 EAA

Cas:141-97-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name Ethyl 2-(ethoxymethylene)acetoacetate Synonyms 2-(Ethoxymethylene)-3-oxo-butanoic acid ethyl ester CAS No. 3788-94-

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Appearance:Clear transparent to light yellow li

Hotsale Ethyl acetoacetate CAS NO.141-97-9

Cas:141-97-9

Min.Order:1 Kilogram

FOB Price: $9.0

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Ethyl acetoacetate CAS: 141-97-9 MF: C6H10O3 MW: 130.14 EINECS: 205-516-1 Mol File: 141-97-9.mol Ethyl acetoacetate Structure Ethyl acetoacetate Chemical Properties Melting point −43 °C(lit.) Boiling po

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:liquid Storage:Refer to COA / MSDS Package:Fact

Ethyl acetoacetate 141-97-9 CAS EAA FACTORY

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ethyl acetoacetate CAS:141-97-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermed

Ethyl acetoacetate CAS:141-97-9

Cas:141-97-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

Ethyl acetoacetate CAS NO.141-97-9

Cas:141-97-9

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:Colourless liquid Storage:Room temperature Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

Manufacturer High Puality Ethyl acetoacetate

Cas:141-97-9

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Ethyl acetoacetate CAS:141-97-9 Specification items specification results appearance clear transparent to light yellow liquid confirms assay, %

Factory Supply Ethyl acetoacetate

Cas:141-97-9

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Ethyl acetoacetate

Cas:141-97-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Acetoacetic Ester

Cas:141-97-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

Ethyl acetoacetate 141-97-9

Cas:141-97-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

ethanol
64-17-5

ethanol

6-methyl-4-oxo-2-thioxo-3,4-dihydro-2H-1,3-oxazine
2911-22-0

6-methyl-4-oxo-2-thioxo-3,4-dihydro-2H-1,3-oxazine

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With potassium carbonate In acetone for 1h; Ambient temperature;100%
ethyl 3,3-dipropoxybutanoate

ethyl 3,3-dipropoxybutanoate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With water at 20℃; under 900.09 Torr; for 0.226667h; Flow reactor;98%
3-acetylthiazolidine-2-thione
76397-53-0

3-acetylthiazolidine-2-thione

ethyl bromoacetate
105-36-2

ethyl bromoacetate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With zinc In tetrahydrofuran 1) 30 deg C, 2 h, 2) reflux, 18 h;97%
fructone
6413-10-1

fructone

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With cerium(III) chloride; sodium iodide In acetonitrile for 1.5h; Heating;96%
With polyaniline-sulfate salt; water for 0.75h; Heating;90%
With boron trifluoride diethyl etherate; tetraethylammonium iodide In chloroform for 6h; Heating;69%
palladium (II) ion In acetone for 23h; Ambient temperature;97 % Chromat.
3,3-dimethoxybutyric acid ethyl ester
92208-06-5

3,3-dimethoxybutyric acid ethyl ester

ethyl acetoacetate

ethyl acetoacetate

Conditions
ConditionsYield
With water at 20℃; under 900.09 Torr; for 0.226667h; Flow reactor;96%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

ethanol
64-17-5

ethanol

ethyl acetoacetate

ethyl acetoacetate

Conditions
ConditionsYield
With sulfuric acid at 85 - 125℃; for 6h;95%
With sulfuric acid
With dmap
ethanol
64-17-5

ethanol

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With ytterbium(III) triflate at 110℃; for 3h; Neat (no solvent);94%
In neat (no solvent) at 110℃; for 3h; Green chemistry;92%
With zinc(II) sulfate In toluene at 80℃; for 6h;87%
ethyl 3-quinolinecarboxylate
50741-46-3

ethyl 3-quinolinecarboxylate

ethyl acetate
141-78-6

ethyl acetate

A

ethyl 3-oxo-3-(quinolin-3-yl)propanoate

ethyl 3-oxo-3-(quinolin-3-yl)propanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 94%
B n/a
ethyl acetate
141-78-6

ethyl acetate

ethyl 5-chloro-2-pyrazinecarboxylate
54013-04-6

ethyl 5-chloro-2-pyrazinecarboxylate

A

ethyl 3-(5-chloropyrazin-2-yl)-3-oxopropanoate
1215002-59-7

ethyl 3-(5-chloropyrazin-2-yl)-3-oxopropanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -50 - -30℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 94%
B n/a
ethanol
64-17-5

ethanol

2,2,6-trimethyl-4H-1,3-dioxin-4-one
5394-63-8

2,2,6-trimethyl-4H-1,3-dioxin-4-one

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
Esterification;92%
In 5,5-dimethyl-1,3-cyclohexadiene Reflux;69%
In 5,5-dimethyl-1,3-cyclohexadiene at 150℃;
3-(2-Methyl-[1,3]dithiolan-2-yl)-propionic acid ethyl ester
141630-41-3

3-(2-Methyl-[1,3]dithiolan-2-yl)-propionic acid ethyl ester

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With tert.-butylhydroperoxide In methanol; water Heating;92%
3-pyridinecarboxylic acid ethyl ester
614-18-6

3-pyridinecarboxylic acid ethyl ester

ethyl acetate
141-78-6

ethyl acetate

A

3-oxo-3-pyridin-3-yl-propionic acid ethyl ester
6283-81-4

3-oxo-3-pyridin-3-yl-propionic acid ethyl ester

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 92%
B n/a
(Z)-ethyl 3-acetoxybut-2-enoate
26805-39-0

(Z)-ethyl 3-acetoxybut-2-enoate

N-methyl-2-dimethylamino-acetohydroxamic acid
65753-93-7

N-methyl-2-dimethylamino-acetohydroxamic acid

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
In ethanol for 2h; Ambient temperature;91%
ethyl 2-chloro-4-methylthiazole-5-carboxylate
7238-62-2

ethyl 2-chloro-4-methylthiazole-5-carboxylate

ethyl acetate
141-78-6

ethyl acetate

A

ethyl 3-(2-chloro-4-methylthiazol-5-yl)-3-oxopropanoate
1215002-61-1

ethyl 3-(2-chloro-4-methylthiazol-5-yl)-3-oxopropanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 91%
B n/a
(2-Methyl-1,3-dithiolan-2-yl)essigsaeure-ethylester
66278-17-9

(2-Methyl-1,3-dithiolan-2-yl)essigsaeure-ethylester

A

ethyl acetoacetate
141-97-9

ethyl acetoacetate

B

ethane-1,2-dithiol
540-63-6

ethane-1,2-dithiol

Conditions
ConditionsYield
With magnesium(II) perchlorate; water; methylene green In acetonitrile Irradiation;A 90%
B n/a
ethyl acetate
141-78-6

ethyl acetate

ethyl 2-pyrazinecarboxylate
6924-68-1

ethyl 2-pyrazinecarboxylate

A

3-oxo-3-pyrazin-2-yl-propionic acid ethyl ester
62124-77-0

3-oxo-3-pyrazin-2-yl-propionic acid ethyl ester

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 88%
B n/a
ethyl 3-butenoate
1617-18-1

ethyl 3-butenoate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With palladium diacetate; Dess-Martin periodane In water; acetonitrile at 50℃; Wacker-Tsuji Olefin Oxidation; Inert atmosphere;88%
With iron(III) sulfate hydrate; palladium dichloride In water; acetonitrile at 45℃; for 2.5h; Wacker Oxidation; Inert atmosphere;87%
With chromium(VI) oxide; palladium dichloride In water; acetonitrile at 20 - 60℃; for 7h; Wacker-Tsuji Olefin Oxidation;85%
With manganese(IV) oxide; palladium dichloride In water; acetonitrile at 60℃; for 24h;58%
ethyl acetate
141-78-6

ethyl acetate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With potassium fluoride on basic alumina In N,N-dimethyl-formamide at 18 - 25℃; Claisen Condensation;87.5%
With potassium tert-butylate at 80℃; for 0.333333h; Product distribution; Further Variations:; Reaction partners; Claisen condensation;73%
With calcium
isonicotinic acid ethylester
1570-45-2

isonicotinic acid ethylester

ethyl acetate
141-78-6

ethyl acetate

A

ethyl 3-oxo-3-(4-pyridyl)propanoate
26377-17-3

ethyl 3-oxo-3-(4-pyridyl)propanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 87%
B n/a
3-acetyl-1,3-oxazolidin-2-one
1432-43-5

3-acetyl-1,3-oxazolidin-2-one

ethyl bromoacetate
105-36-2

ethyl bromoacetate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With zinc In tetrahydrofuran 1) 30 deg C, 2 h, 2) reflux, 18 h;86%
ethyl 2,2-dibromoacetoacetate
89415-67-8

ethyl 2,2-dibromoacetoacetate

A

ethyl 2-bromoacetoacetate
84911-18-2, 609-13-2

ethyl 2-bromoacetoacetate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With water; 1-methyl-3-pentyl-1H-imidazolium tetrafluoroborate at 125℃; under 2585.74 Torr; for 0.0333333h; microwave irradiation;A 85%
B n/a
ethyl isoquinoline-1-carboxylate
50458-78-1

ethyl isoquinoline-1-carboxylate

ethyl acetate
141-78-6

ethyl acetate

A

ethyl acetoacetate
141-97-9

ethyl acetoacetate

B

ethyl 3-(isoquinolin-1-yl)-3-oxopropanoate
92200-07-2

ethyl 3-(isoquinolin-1-yl)-3-oxopropanoate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A n/a
B 85%
ethyl acetate
141-78-6

ethyl acetate

pyrimidine-2-carboxylic acid ethyl ester
42839-08-7

pyrimidine-2-carboxylic acid ethyl ester

A

ethyl β-oxo-2-pyrimidininepropanoate
1093114-80-7

ethyl β-oxo-2-pyrimidininepropanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 85%
B n/a
pyrrole
109-97-7

pyrrole

ethyl (Z)-3-(((trifluoromethyl)sulfonyl)oxy)but-2-enoate
122135-84-6

ethyl (Z)-3-(((trifluoromethyl)sulfonyl)oxy)but-2-enoate

A

(Z)-3-(pyrrol-1-yl)but-2-enoic acid ethyl ester

(Z)-3-(pyrrol-1-yl)but-2-enoic acid ethyl ester

B

Ethyl 2-butynoate
4341-76-8

Ethyl 2-butynoate

C

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
Stage #1: pyrrole With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); XPhos In toluene at 60℃; for 0.5h;
Stage #2: ethyl (Z)-3-(((trifluoromethyl)sulfonyl)oxy)but-2-enoate In toluene at 60℃; for 3.5h;
A 84%
B n/a
C n/a
3,3-dimethoxybutyric acid ethyl ester
92208-06-5

3,3-dimethoxybutyric acid ethyl ester

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With water at 20℃; under 900.09 Torr; for 0.226667h; Flow reactor;96%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

ethanol
64-17-5

ethanol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With sulfuric acid at 85 - 125℃; for 6h;95%
With sulfuric acid
With dmap
ethyl acetate
141-78-6

ethyl acetate

ethyl 2-pyrazinecarboxylate
6924-68-1

ethyl 2-pyrazinecarboxylate

A

ethyl 2-methyl-3-oxo-3-(pyrazin-2-yl)propanoate

ethyl 2-methyl-3-oxo-3-(pyrazin-2-yl)propanoate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 84%
B n/a
2-Acetyl-4,4,5,5,6,6,7,7,8,8,9,9,9-tridecafluoro-3-oxo-nonanoic acid ethyl ester
115479-07-7

2-Acetyl-4,4,5,5,6,6,7,7,8,8,9,9,9-tridecafluoro-3-oxo-nonanoic acid ethyl ester

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

A

ethyl acetoacetate
141-97-9

ethyl acetoacetate

B

2-(perfluorohexyl)benzimidazole
119403-54-2

2-(perfluorohexyl)benzimidazole

Conditions
ConditionsYield
In ethanol for 4h; Heating;A n/a
B 83%
ethyl acetate
141-78-6

ethyl acetate

methyl (2S)-N-tritylaziridine-2-carboxylate
75154-68-6

methyl (2S)-N-tritylaziridine-2-carboxylate

A

ethyl acetoacetate
141-97-9

ethyl acetoacetate

B

(4S)-3-oxo-4,5-(N-triphenylmethylepimino)pentanoic acid ethyl ester
236742-97-5

(4S)-3-oxo-4,5-(N-triphenylmethylepimino)pentanoic acid ethyl ester

Conditions
ConditionsYield
Stage #1: ethyl acetate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Metallation;
Stage #2: methyl (2S)-N-tritylaziridine-2-carboxylate In tetrahydrofuran; hexane at -78℃; for 12h; Claisen condensation;
A n/a
B 78%
ethyl-2-picolinate
2524-52-9

ethyl-2-picolinate

ethyl acetate
141-78-6

ethyl acetate

A

ethyl 2-pyridylcarbonylacetate
26510-52-1

ethyl 2-pyridylcarbonylacetate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; for 0.333333h; Claisen condensation; Inert atmosphere;A 78%
B n/a
3-(4-chloro-phenyl)-6-methyl-[1,3]oxazine-2,4-dione
30645-78-4

3-(4-chloro-phenyl)-6-methyl-[1,3]oxazine-2,4-dione

A

4'-Chloroacetoacetanilide
101-92-8

4'-Chloroacetoacetanilide

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C

ethyl p-chlorophenylcarbamate
2621-80-9

ethyl p-chlorophenylcarbamate

Conditions
ConditionsYield
With triethylamine at 95 - 100℃; for 2h;A 10%
B 30%
C 77%
3-(4-chloro-phenyl)-6-methyl-[1,3]oxazine-2,4-dione
30645-78-4

3-(4-chloro-phenyl)-6-methyl-[1,3]oxazine-2,4-dione

triethylamine
121-44-8

triethylamine

A

4'-Chloroacetoacetanilide
101-92-8

4'-Chloroacetoacetanilide

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C

ethyl p-chlorophenylcarbamate
2621-80-9

ethyl p-chlorophenylcarbamate

Conditions
ConditionsYield
With ethanol at 95 - 100℃; for 2h;A 10%
B 30%
C 77%
2-aminopyridine
504-29-0

2-aminopyridine

ethyl acetoacetate
141-97-9

ethyl acetoacetate

2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
1693-94-3

2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With bismuth(III) chloride at 100℃; for 3h; Green chemistry;100%
With Al3PW12O40 In ethanol at 80℃; for 0.2h; Reagent/catalyst; Green chemistry;93%
In ethylene glycol at 100℃; for 4h; Solvent; Temperature; Green chemistry;89%
(E)-3-phenylpropenal
14371-10-9

(E)-3-phenylpropenal

ethyl acetoacetate
141-97-9

ethyl acetoacetate

2-oxo-6-phenyl-cyclohex-3-enecarboxylic acid ethyl ester
137153-74-3

2-oxo-6-phenyl-cyclohex-3-enecarboxylic acid ethyl ester

Conditions
ConditionsYield
In ethanol100%
With ethanol; sodium ethanolate at -10℃;
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 3-trimethylsiloxy-2-butenoate
13257-83-5

ethyl 3-trimethylsiloxy-2-butenoate

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran; hexane at 21 - 45℃; for 3h;100%
With triethylamine In tetrahydrofuran Ambient temperature;89%
Stage #1: chloro-trimethyl-silane; ethyl acetoacetate In tetrahydrofuran; hexane at 0 - 5℃; for 0.5h; Inert atmosphere;
Stage #2: With triethylamine In tetrahydrofuran; hexane at 0 - 20℃; Inert atmosphere;
87%
4-ethyl-1,3-benzenediol
2896-60-8

4-ethyl-1,3-benzenediol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

6-Ethyl-7-hydroxy-4-methylcumarin
1484-73-7

6-Ethyl-7-hydroxy-4-methylcumarin

Conditions
ConditionsYield
With trifluoroacetic acid at 100℃; for 0.5h; Pechmann condensation; Microwave irradiation; regioselective reaction;100%
With boron trifluoride diethyl etherate at 105 - 108℃; for 0.333333h;95.2%
With boron trifluoride diethyl etherate at 105 - 108℃; for 0.333333h; Mechanism; other 4-alkylresorcinols; also ethyl benzoylacetate;95.2%
2-methylbenzene-1,4-diol
95-71-6

2-methylbenzene-1,4-diol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

6-hydroxy-4,7-dimethyl-2H-chromen-2-one
5248-20-4

6-hydroxy-4,7-dimethyl-2H-chromen-2-one

Conditions
ConditionsYield
With sulfuric acid at 0℃; for 1h; Pechmann Condensation; Milling;100%
With sulfuric acid Pechmann Condensation; Inert atmosphere;77%
With sulfuric acid
With sulfuric acid at 20℃; for 24h; Pechmann condensation; Inert atmosphere;
(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-acetyl-4-nitro-3-phenylbutyrate
72709-62-7

ethyl 2-acetyl-4-nitro-3-phenylbutyrate

Conditions
ConditionsYield
With nickel polymer catalyst In chloroform for 48h; Reflux;100%
With C23H37N3O9S In dichloromethane at 20℃; for 16h; asymmetric Michael addition; enantioselective reaction;99%
With C31H36N6OS3 In toluene at 25℃; for 48h; Michael Addition; enantioselective reaction;99%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

urea
57-13-6

urea

ethyl 6-methyl-4-(4-nitrophenyl)-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate
123371-45-9

ethyl 6-methyl-4-(4-nitrophenyl)-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

Conditions
ConditionsYield
With 1-methylimidazole based ionic liquid terminated dendritic moiety prepared from 2,4,6-trichloro-1,3,5-triazine and 1,3-diaminopropane immobilized on 3-aminopropyltriethoxysilane functionalized bentonite In ethanol; water at 50℃; for 3h; Biginelli Pyrimidone Synthesis; Green chemistry;100%
With composite of cross-linked chitosan beads and a cyclodextrin nanosponge In water for 0.25h; Biginelli Pyrimidone Synthesis; Sonication; Green chemistry;100%
With guanidine In neat (no solvent) at 80℃; for 2h; Biginelli Pyrimidone Synthesis;99%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

benzaldehyde
100-52-7

benzaldehyde

urea
57-13-6

urea

ethyl 6-methyl-4-phenyl-3,4-dihydropyrimidin-2(1H)-one-5-carboxylate
123237-03-6, 5395-36-8

ethyl 6-methyl-4-phenyl-3,4-dihydropyrimidin-2(1H)-one-5-carboxylate

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate) In ethanol at 100℃; for 1h; Biginelli reaction; Microwave irradiation; Inert atmosphere;100%
With composite of cross-linked chitosan beads and a cyclodextrin nanosponge In water for 0.25h; Biginelli Pyrimidone Synthesis; Sonication; Green chemistry;100%
With Cl7Fe2(1-)*C6H9N2O2(1+); C8H15N2(1+)*C4H12B(1-) at 80℃; for 2h; Reagent/catalyst; Biginelli Pyrimidone Synthesis;99%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

benzaldehyde
100-52-7

benzaldehyde

Diethyl 2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate
1165-06-6

Diethyl 2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With ammonia for 3h; Heating;100%
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis;100%
With ammonium carbonate In water at 55 - 60℃; for 3.5h; Hantzsch pyridine synthesis;99%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

salicylaldehyde
90-02-8

salicylaldehyde

3-acetylcoumarin
3949-36-8

3-acetylcoumarin

Conditions
ConditionsYield
With piperidine at 20℃;100%
Stage #1: ethyl acetoacetate; salicylaldehyde With piperidine In ethanol for 24h;
Stage #2: at 80℃; for 0.0166667h; Microwave irradiation;
97%
With piperidine In ethanol at 80℃; for 0.0166667h; Solvent; Reagent/catalyst; Knoevenagel Condensation; Microwave irradiation; Green chemistry;97%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

phenylhydrazine
100-63-0

phenylhydrazine

edaravone
89-25-8

edaravone

Conditions
ConditionsYield
In acetic acid Heating;100%
for 0.166667h; Irradiation;100%
at 0 - 90℃; for 1.5h;100%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

7-amino-4-methylcoumarin.
26093-31-2

7-amino-4-methylcoumarin.

Conditions
ConditionsYield
With zirconium(IV) phosphate at 110℃; for 0.166667h; Pechmann condensation; Microwave irradiation; chemoselective reaction;100%
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.583333h; Pechmann condensation reaction;98%
With tetrakis(actonitrile)copper(I) hexafluorophosphate at 25℃; for 0.166667h; Pechmann condensation; neat (no solvent);98%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

5-bromosalicyclaldehyde
1761-61-1

5-bromosalicyclaldehyde

3-Acetyl-6-bromo-chromen-2-one
2199-93-1

3-Acetyl-6-bromo-chromen-2-one

Conditions
ConditionsYield
With piperidine In ethanol at 80℃; for 0.0166667h; Knoevenagel Condensation; Microwave irradiation; Green chemistry;100%
With zinc oxide nanoparticle at 120℃; under 7200.72 Torr; for 0.1h; Knoevenagel condensation; Microwave irradiation; Neat (no solvent);95%
With piperidine In acetonitrile at 20℃; for 4h; Knoevenagel Condensation;94.1%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

3-Chloro-2-methylpropene
563-47-3

3-Chloro-2-methylpropene

ethyl 2-acetyl-4-methylpent-4-enoate
20962-70-3

ethyl 2-acetyl-4-methylpent-4-enoate

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 40 - 75℃; for 6h;100%
With tetrabutylammomium bromide; potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 40 - 75℃; for 6h;100%
With tetrabutylammomium bromide; potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 40 - 75℃; for 6h;100%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

benzyl alcohol
100-51-6

benzyl alcohol

benzyl acetoacetate
5396-89-4

benzyl acetoacetate

Conditions
ConditionsYield
[Cl(C6F13C2H4)2SnOSn(C2H4C6F13)2Cl]2 In toluene for 6h; Heating;100%
With rhizopus niveus lipase; Pseudomonas sp. lipoprotein lipase; Candida antarctica lipase B immobilized on acrylic resin; Carica papaya protease In toluene at 40℃; for 48h; Enzymatic reaction;98%
1-chloro-3-hydroxy-1,1,3,3-tetrabutyldistannoxane In toluene for 16h; Heating;96%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

recorcinol
108-46-3

recorcinol

7-hydroxy-4-methyl-chromen-2-one
90-33-5, 79566-13-5

7-hydroxy-4-methyl-chromen-2-one

Conditions
ConditionsYield
With trifluoroacetic acid at 100℃; for 0.5h; Pechmann condensation; Microwave irradiation; regioselective reaction;100%
With silica-supported methanesulfonic acid catalyst In octadecane at 160℃; for 2h; Pechmann reaction;99%
With iron(III) chloride In neat (no solvent) at 70℃; for 12h; Pechmann Condensation; Green chemistry;99%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-bromoacetoacetate
84911-18-2, 609-13-2

ethyl 2-bromoacetoacetate

Conditions
ConditionsYield
With hydrogenchloride; dihydrogen peroxide; potassium bromide In toluene at 20℃; for 1.5h;100%
With bromine; sodium hydride In tetrahydrofuran; dichloromethane100%
With hydrogenchloride; dihydrogen peroxide; potassium bromide In water; toluene at 20℃; for 1h;100%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2,2-dichloroacetoacetate
6134-66-3

ethyl 2,2-dichloroacetoacetate

Conditions
ConditionsYield
With trichloroisocyanuric acid In water; acetone at 20℃; for 15h;100%
With sodium hypochlorite In acetic acid; acetone at 0℃; for 1h;98%
Stage #1: ethyl acetoacetate With ammonium chloride In acetonitrile for 0.0833333h;
Stage #2: With 1,3-dichloro-5,5-dimethylhydantoin In acetonitrile at 35℃; for 12h;
98%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-chloro-3-oxo-butyrate
609-15-4

ethyl 2-chloro-3-oxo-butyrate

Conditions
ConditionsYield
With thionyl chloride In tetrachloromethane at 20℃; for 1h;100%
With sulfuryl dichloride In dichloromethane at 0 - 20℃;98.4%
With sulfuryl dichloride In tetrachloromethane at 20℃; for 1h;97%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

α-bromoacetophenone
70-11-1

α-bromoacetophenone

ethyl 2-acetyl-4-oxo-4-phenylbutanoate
52313-46-9

ethyl 2-acetyl-4-oxo-4-phenylbutanoate

Conditions
ConditionsYield
Stage #1: α-bromoacetophenone With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Inert atmosphere;
Stage #2: ethyl acetoacetate In tetrahydrofuran at 20℃; for 4h;
100%
Stage #1: ethyl acetoacetate With sodium hydride In tetrahydrofuran; mineral oil at 0℃; Inert atmosphere;
Stage #2: α-bromoacetophenone In tetrahydrofuran; mineral oil at 20℃; Inert atmosphere;
98%
Stage #1: ethyl acetoacetate With sodium hydride In tetrahydrofuran; mineral oil at 0℃; Inert atmosphere;
Stage #2: α-bromoacetophenone In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere;
98%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3-methoxy-but-2-enoic acid ethyl ester
3510-99-4

3-methoxy-but-2-enoic acid ethyl ester

Conditions
ConditionsYield
With hydrogenchloride In methanol100%
With hydrogenchloride In methanol100%
Stage #1: ethyl acetoacetate; trimethyl orthoformate With sulfuric acid at 20℃; for 18h;
Stage #2: With potassium carbonate for 0.5h;
38%
Stage #1: ethyl acetoacetate; trimethyl orthoformate With sulfuric acid at 20℃; for 18h;
Stage #2: With potassium carbonate for 0.5h;
38%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl (S)-3-hydroxybutyrate
56816-01-4

ethyl (S)-3-hydroxybutyrate

Conditions
ConditionsYield
With [NEt2H2]-[{RuCl(S)-BINAP}2(μ-Cl)3]; hydrogen In methanol; ethanol at 50℃; under 22801.5 Torr; for 12h; Inert atmosphere; Autoclave; optical yield given as %ee;100%
With hydrogen In ethanol at 80℃; under 15001.5 Torr; for 10h; enantioselective reaction;99.5%
With C32H40F6O6P2Pd; hydrogen In acetone at 0℃; under 23272.3 Torr; for 12h; Autoclave; enantioselective reaction;99%
pyrrolidine
123-75-1

pyrrolidine

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 3-pyrrolidinobut-2-enoate
2723-42-4, 54716-02-8, 70526-06-6

ethyl 3-pyrrolidinobut-2-enoate

Conditions
ConditionsYield
at 20℃; for 16h; Inert atmosphere; Schlenk technique;100%
In toluene for 1h; Dean-Stark; Reflux; Inert atmosphere;94.8%
With dichloro( 1,5-cyclooctadiene)platinum(ll); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In N,N-dimethyl-formamide at 60℃; for 5h; Inert atmosphere; Schlenk technique; Microwave irradiation; regioselective reaction;82%
methanol
67-56-1

methanol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl (2E)-3-methoxy-2-butenoate
22157-27-3

ethyl (2E)-3-methoxy-2-butenoate

Conditions
ConditionsYield
With hydrogenchloride; trimethyl orthoformate100%
1-bromo-butane
109-65-9

1-bromo-butane

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 3-oxooctanoate
10488-95-6

ethyl 3-oxooctanoate

Conditions
ConditionsYield
Stage #1: ethyl acetoacetate With lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; for 1h;
Stage #2: 1-bromo-butane In tetrahydrofuran; hexane at -78 - 20℃; for 14h; Further stages.;
100%
Stage #1: ethyl acetoacetate With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.25h; Inert atmosphere;
Stage #2: With n-butyllithium In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.25h; Inert atmosphere;
Stage #3: 1-bromo-butane In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere;
73%
70%
With n-butyllithium; sodium hydride In tetrahydrofuran; pentane at 0 - 20℃; for 14h;38%
Stage #1: ethyl acetoacetate With n-butyllithium; sodium hydride In tetrahydrofuran at 0℃; Inert atmosphere;
Stage #2: 1-bromo-butane at 0 - 25℃; Inert atmosphere;
carbon disulfide
75-15-0

carbon disulfide

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C7H8O3S2(2-)*2K(1+)

C7H8O3S2(2-)*2K(1+)

Conditions
ConditionsYield
With potassium hydroxide In 1,4-dioxane100%
With potassium hydroxide In N,N-dimethyl-formamide at 25℃; for 24h;
Stage #1: ethyl acetoacetate With potassium carbonate In N,N-dimethyl-formamide for 1h;
Stage #2: carbon disulfide In N,N-dimethyl-formamide for 2h;
cyclopent-2-enone
930-30-3

cyclopent-2-enone

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 3-oxo-2-(3-oxocyclopentyl)butanoate
66077-94-9

ethyl 3-oxo-2-(3-oxocyclopentyl)butanoate

Conditions
ConditionsYield
With hydrotalcite at 80℃; for 6h; Michael addition;100%
With 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In toluene at 25℃; for 10h; Michael reaction;99%
With zinc trifluoromethanesulfonate at 20℃; for 6h;95%
methallyl acetate
820-71-3

methallyl acetate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-acetyl-4-methylpent-4-enoate
20962-70-3

ethyl 2-acetyl-4-methylpent-4-enoate

Conditions
ConditionsYield
With isopropylmagnesium chloride; sodium hydride; 1,2-bis(diphenylphosphino)ethane nickel(II) chloride In tetrahydrofuran at 160℃; for 72h; Product distribution; other temp./react. time;100%
With isopropylmagnesium chloride; sodium hydride; 1,2-bis(diphenylphosphino)ethane nickel(II) chloride In tetrahydrofuran at 160℃; for 72h;100%
With potassium carbonate In tetrahydrofuran at 70℃; for 50h; Tsuji-Trost Allylation;63%
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