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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Ethyl 2-Chloroacetoacetate

Cas:638-07-3

Min.Order:1 Kilogram

FOB Price: $25.0 / 50.0

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Ethyl 4-chloroacetoacetate Manufacturer/High quality/Best price/In stock

Cas:638-07-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 4-Chloroacetoacetate supplier in China

Cas:638-07-3

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 experience 2. Free samples will be provided,ensure specifications and quality are right for customer 3. Customers will receive the most professional techn

Large Stock 99.0% Ethyl 4-chloroacetoacetate 638-07-3 Producer

Cas:638-07-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1

Negotiable

Type:Other

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EAST CHEMSOURCES LIMITED

Mainly used inorganic synthesis and medicine intermediate. Appearance:Colorless to pale yellow liquid Storage:Store in a cool, dry, ventilated area away from sources of heat or ignition. Package:200kg/drum Application:Mainly used inorganic synt

Pharmaceutical intermediate Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1 Metric Ton

Negotiable

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 4-Chloroacetoacetate

Cas:638-07-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Ethyl 4-chloroacetoacetate CAS 638-07-3 In stock

Cas:638-07-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1703.html Product Name Ethyl 4-chloroacetoacetate CAS No. 638-07-3

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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 4-chloroacetoacetate / LIDE PHARMA- Factory supply / Best price

Cas:638-07-3

Min.Order:1 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

Ethyl 4-chloroacetoacetate-

Cas:638-07-3

Min.Order:1 Gram

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 4-Chloroacetoacetate CAS: 638-07-3

Cas:638-07-3

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

Factory direct supply CAS 638-07-3 with best quality

Cas:638-07-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

CAS No : 638-07-3 Molecular: C6H9CIO3 Structure: Specification: Appearance: Clear colorless liquid Assay: 98%Min Packing: 220kg Iron-plastic drums Usage: An intermediate for manufacturing pharmaceuticals and pesticides etc. Appearanc

Ethyl-4-chloroacetoacetate

Cas:638-07-3

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:Colorless and to light yellow liquid Storage:Room temperature Package:200kg/Barrel Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in china

Factory Supply Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:200 Kilogram

FOB Price: $11.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

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" Onchem specialized in APIs, chemical intermediate

Topsale Ethyl 4-Chloroacetoacetate

Cas:638-07-3

Min.Order:25 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Methanesulfonic acid is a raw material for medicine and pesticide. It can also be used as dehydrating agent, curing accelerator for coating, treating agent for fiber, solvent, catalysis, and esterification as well as polymerization reaction. It c

Ethyl 4-chloroacetoacetate Esters

Cas:638-07-3

Min.Order:1 Kilogram

FOB Price: $30.0 / 35.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ethyl 4-chloroacetoacetate CAS:638-07-3 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

Ethyl 4-chloroacetoacetate CAS:638-07-3

Cas:638-07-3

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

4-chloro-3-oxo-butanoicaciethylester

Cas:638-07-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

CAS NO.:638-07-3

Cas:638-07-3

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

Ethyl 4-Chloroacetoacetate

Cas:638-07-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

ETHYL 4-CHLOROACETOACETATE

Cas:638-07-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Ethyl 4-chloroacetoacetate

Cas:638-07-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality Ethyl 4-Chloroacetoacetate

Cas:638-07-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Synthetic route

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
Stage #1: ethyl acetoacetate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at 0℃; for 1h; Inert atmosphere;
Stage #2: With methyl chlorosulfate In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
100%
ethyl acetate
141-78-6

ethyl acetate

chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
In ethanol; dimethyl sulfoxide at 128 - 152℃; under 3648.24 - 6840.46 Torr; for 22h; Temperature; Pressure; Inert atmosphere;98.7%
ethyl acetate
141-78-6

ethyl acetate

methyl chloroacetate
96-34-4

methyl chloroacetate

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
In methanol; N,N-dimethyl-formamide at 110 - 145℃; under 2280.15 - 6080.41 Torr; for 15h; Inert atmosphere;97.3%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

ethanol
64-17-5

ethanol

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
Stage #1: 4-methyleneoxetan-2-one With chlorine In dichloromethane under 225.023 Torr; Flow reactor;
Stage #2: ethanol at 40 - 70℃; under 712.571 Torr; for 4h;
93%
Stage #1: 4-methyleneoxetan-2-one With chlorine; sodium hydroxide; copper dichloride In dichloromethane at -40 - 10℃;
Stage #2: ethanol In dichloromethane Temperature;
90%
n-hexan-2-one
591-78-6

n-hexan-2-one

4,4-dichloro-3-oxobutyric acid ethyl ester
6082-74-2

4,4-dichloro-3-oxobutyric acid ethyl ester

A

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

B

(Z)-5-Methyl-3-oxo-non-4-enoic acid ethyl ester

(Z)-5-Methyl-3-oxo-non-4-enoic acid ethyl ester

Conditions
ConditionsYield
With iron pentacarbonyl In benzene at 80℃; Reformatsky-type addition;A 75 % Chromat.
B n/a
n-hexan-2-one
591-78-6

n-hexan-2-one

4,4-dichloro-3-oxobutyric acid ethyl ester
6082-74-2

4,4-dichloro-3-oxobutyric acid ethyl ester

A

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

Conditions
ConditionsYield
With iron pentacarbonyl; water; N,N-dimethyl-formamide In benzene at 80℃;A 40 % Chromat.
B 16 % Chromat.
4,4-dichloro-3-oxobutyric acid ethyl ester
6082-74-2

4,4-dichloro-3-oxobutyric acid ethyl ester

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
With iron pentacarbonyl; water In benzene at 80℃;65 % Chromat.
4,4-dichloro-3-oxobutyric acid ethyl ester
6082-74-2

4,4-dichloro-3-oxobutyric acid ethyl ester

benzaldehyde
100-52-7

benzaldehyde

A

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

B

ethyl 3-oxo-5-phenylpent-4-enoate
1503-99-7

ethyl 3-oxo-5-phenylpent-4-enoate

Conditions
ConditionsYield
With iron pentacarbonyl In benzene at 80℃; Reformatsky-type addition;A 70 % Chromat.
B n/a
4-chloroacetoacetyl chloride
41295-64-1

4-chloroacetoacetyl chloride

ethanol
64-17-5

ethanol

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

Conditions
ConditionsYield
Stage #1: 4-chloroacetoacetyl chloride; ethanol Industry scale;
Stage #2: With sodium hydroxide In water Product distribution / selectivity;
In dichloromethane156.3 g
O-methylresorcine
150-19-6

O-methylresorcine

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4-(chloromethyl)-7-methoxy-2H-chromen-2-one
41295-55-0

4-(chloromethyl)-7-methoxy-2H-chromen-2-one

Conditions
ConditionsYield
With methanesulfonic acid at 20℃;100%
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.5h; Pechmann condensation reaction;96%
With perchloric acid; sulfuric acid at 25℃;95.2%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2-mercaptoacetophenone
2462-02-4

2-mercaptoacetophenone

3-Oxo-4-(2-oxo-2-phenyl-ethylsulfanyl)-butyric acid ethyl ester
114250-85-0

3-Oxo-4-(2-oxo-2-phenyl-ethylsulfanyl)-butyric acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4-fluorothiobenzamide
22179-72-2

4-fluorothiobenzamide

ethyl 2-(2-(4-fluorophenyl)thiazol-4-yl)acetate
78742-98-0

ethyl 2-(2-(4-fluorophenyl)thiazol-4-yl)acetate

Conditions
ConditionsYield
In ethanol for 4h; Heating;100%
In ethanol for 5h; Reflux; Inert atmosphere;89%
In ethanol for 7.5h; Reflux;89%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

3-chloro-4-methoxybenzenethiol
89818-37-1

3-chloro-4-methoxybenzenethiol

ethyl 4-(3'-chloro-4'-methoxyphenylthio)acetoacetate
89818-38-2

ethyl 4-(3'-chloro-4'-methoxyphenylthio)acetoacetate

Conditions
ConditionsYield
In pyridine; diethyl ether for 2h; Heating;100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

ethyl (S)-4-chloro-3-hydroxybutanoate
10488-69-4, 86728-85-0, 87068-18-6, 90866-33-4

ethyl (S)-4-chloro-3-hydroxybutanoate

Conditions
ConditionsYield
With formic acid; NAD; sodium formate; formate dehydrogenase In water at 30℃; for 3.5h; pH=6.5;100%
With Escherichia coli BL21 (fdh, adh)-cells In water for 1h; pH=6.5;99.3%
With hydrogen; (R)-[RuCl2(BINAP)]n In ethanol at 95 - 105℃; under 67506.8 - 75007.5 Torr; for 0.5 - 8h; Conversion of starting material;98%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

cyclohexanol
108-93-0

cyclohexanol

4-(Cyclohexyloxy)acetessigsaeure-ethylester
126930-22-1

4-(Cyclohexyloxy)acetessigsaeure-ethylester

Conditions
ConditionsYield
Stage #1: cyclohexanol With sodium hydride In diethyl ether at 20℃; for 1.25h;
Stage #2: ethyl (2-chloroaceto)acetate In diethyl ether at 20℃;
100%
With sodium hydride 1.) ether, 2 h, RT; 2.) 20 h, RT; Yield given. Multistep reaction;
pyridine
110-86-1

pyridine

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

1-(ethoxycarbonylacetonyl)pyridinium chloride

1-(ethoxycarbonylacetonyl)pyridinium chloride

Conditions
ConditionsYield
at 20℃; for 24h;100%
picoline
108-89-4

picoline

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

1-ethoxycarbonylacetonyl-4-methylpyridinium chloride

1-ethoxycarbonylacetonyl-4-methylpyridinium chloride

Conditions
ConditionsYield
at 20℃; for 24h;100%
3,5-Lutidine
591-22-0

3,5-Lutidine

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

1-ethoxycarbonylacetonyl-3,5-dimethylpyridinium chloride

1-ethoxycarbonylacetonyl-3,5-dimethylpyridinium chloride

Conditions
ConditionsYield
at 20℃; for 24h;100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4-Bromoresorcinol
6626-15-9

4-Bromoresorcinol

6-bromo-4-(chloromethyl)-7-hydroxy-2H-chromen-2-one
223420-33-5

6-bromo-4-(chloromethyl)-7-hydroxy-2H-chromen-2-one

Conditions
ConditionsYield
In methanesulfonic acid at 25℃; for 2h;100%
With methanesulfonic acid at 20℃; for 2h; Inert atmosphere; Darkness;91%
With sulfuric acid Inert atmosphere;88%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

3,3-diphenylpropan-1-ol
20017-67-8

3,3-diphenylpropan-1-ol

(3,3-diphenylpropane-1-yl) 4-chloroacetoacetate
314776-40-4

(3,3-diphenylpropane-1-yl) 4-chloroacetoacetate

Conditions
ConditionsYield
In toluene at 130℃;100%
In toluene
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2,4-dichlorobenzaldeyhde
874-42-0

2,4-dichlorobenzaldeyhde

(Z)-ethyl 4-chloro-2-(2,4-dichlorobenzylidene)-3-oxobutanoate
915296-79-6

(Z)-ethyl 4-chloro-2-(2,4-dichlorobenzylidene)-3-oxobutanoate

Conditions
ConditionsYield
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h; Knoevenagel Condensation; Inert atmosphere;100%
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h;
With acetic acid; benzylamine In isopropyl alcohol at 20℃; for 96h;
5-bromo-2-pyridylamine
1072-97-5

5-bromo-2-pyridylamine

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

ethyl 2-(6-bromoimidazo[1,2-a]pyridin-2-yl)acetate
59128-04-0

ethyl 2-(6-bromoimidazo[1,2-a]pyridin-2-yl)acetate

Conditions
ConditionsYield
In ethanol for 4h; Reflux; Inert atmosphere;100%
In toluene Reflux;24%
In toluene at 115℃; for 18h;
In ethanol Heating / reflux;
morpholinothiourea
14294-10-1

morpholinothiourea

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate
329906-01-6

ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate

Conditions
ConditionsYield
With triethylamine In ethanol at 80℃; for 3h;100%
Stage #1: morpholinothiourea; ethyl (2-chloroaceto)acetate In ethanol at 80℃; for 3h;
Stage #2: With water; sodium hydrogencarbonate
100%
morpholine-4-carboxylic acid amide
2158-02-3

morpholine-4-carboxylic acid amide

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate
329906-01-6

ethyl (2-morpholin-4-yl-1,3-thiazol-4-yl)acetate

Conditions
ConditionsYield
In ethanol at 80℃; for 3h;100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

ethyl 4-diethoxyphosphoryl-3-oxobutanoate
65043-08-5

ethyl 4-diethoxyphosphoryl-3-oxobutanoate

Conditions
ConditionsYield
With sodium hydride100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2-amino-5-chloro-3-hydroxypyridine
40966-87-8

2-amino-5-chloro-3-hydroxypyridine

7-chloro-2-(chloromethyl)-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

7-chloro-2-(chloromethyl)-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With phosphoric acid at 110℃; for 2.5h;100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4,6-dimethyl-2-meraptopyrimidine
22325-27-5

4,6-dimethyl-2-meraptopyrimidine

ethyl 4-[(4,6-dimethylpyrimidin-2-yl)sulfanyl]-3-oxobutanoate

ethyl 4-[(4,6-dimethylpyrimidin-2-yl)sulfanyl]-3-oxobutanoate

Conditions
ConditionsYield
With triethylamine at 0℃; for 0.5h; Reagent/catalyst; Temperature;100%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

ethyl (L)-4-chloro-3-hydroxybutyrate
10488-69-4, 86728-85-0, 87068-18-6, 90866-33-4

ethyl (L)-4-chloro-3-hydroxybutyrate

Conditions
ConditionsYield
With D-glucose; β-keto ester reductase L-1; tris hydrochloride; NADPH at 30℃; for 48h; relative reaction rate; other β-keto esters; var. time;99%
With D-glucose; tris hydrochloride at 30℃; for 48h; β-keto ester reductase L-1, NADPH, GDH;99%
With D-glucose; YOL151W reductase In aq. phosphate buffer; toluene pH=6.7; Enzymatic reaction;98.7%
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4-chloromethyl-5,7-dihydroxy-chromen-2-one
809234-33-1

4-chloromethyl-5,7-dihydroxy-chromen-2-one

Conditions
ConditionsYield
With methanesulfonic acid at 20℃; for 6h;99%
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.0833333h; Pechmann condensation reaction;98%
With yttrium(lll) nitrate hexahydrate at 90℃; for 0.2h; Pechmann Condensation; Green chemistry;98%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

α-naphthol
90-15-3

α-naphthol

4-(chloromethyl)-2H-benzo[h]chromen-2-one

4-(chloromethyl)-2H-benzo[h]chromen-2-one

Conditions
ConditionsYield
With silica gel supported zirconyl chloride octahydrate at 90℃; for 0.75h; Pechmann condensation reaction;99%
With sulfuric acid; silica gel at 80℃; for 1h; Pechmann condensation reaction;96%
With ammonium cerium(IV) nitrate; silica gel for 0.05h; Pechmann reaction; microwave irradiation;96%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

3-methoxybenzenethiol
15570-12-4

3-methoxybenzenethiol

3-methoxybenzenethiol
16768-98-2

3-methoxybenzenethiol

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 0 - 20℃; for 2h;99%
With potassium hydroxide In methanol at 20℃; for 6h;
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 2.16667h;
2-aminopyridine
504-29-0

2-aminopyridine

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one
16867-35-9

2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With PPA at 120℃; for 2h;99%
With polyphosphate at 45 - 125℃; for 2h;67%
In PPA; (2S)-N-methyl-1-phenylpropan-2-amine hydrate
In PPA; (2S)-N-methyl-1-phenylpropan-2-amine hydrate
Stage #1: 2-aminopyridine; ethyl (2-chloroaceto)acetate at 125℃; for 5h;
Stage #2: With sodium hydroxide In water pH=6 - 7; Cooling with ice;
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one
16867-35-9

2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Stage #1: 2-aminopyridine With PPA at 120℃;
Stage #2: ethyl (2-chloroaceto)acetate at 120℃; for 2h;
99%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

4-methyl resorcinol
496-73-1

4-methyl resorcinol

4-(chloromethyl)-7-hydroxy-6-methyl-2H-chromen-2-one
1239755-10-2

4-(chloromethyl)-7-hydroxy-6-methyl-2H-chromen-2-one

Conditions
ConditionsYield
Stage #1: ethyl (2-chloroaceto)acetate With sulfuric acid at 0℃;
Stage #2: 4-methyl resorcinol at 20℃;
99%
With sulfuric acid at 0 - 20℃;99%
With sulfuric acid at 0 - 20℃; for 24h; Pechmann Condensation;73%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

N-butylamine
109-73-9

N-butylamine

N-butyl-2-chloroacetamide
5349-24-6

N-butyl-2-chloroacetamide

Conditions
ConditionsYield
With 4-toluenesulfonyl azide In tetrahydrofuran at 20 - 25℃;99%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

anthranilic acid amide
28144-70-9

anthranilic acid amide

2-(chloromethyl)quinazolin-4(3H)-one
3817-05-8

2-(chloromethyl)quinazolin-4(3H)-one

Conditions
ConditionsYield
With ethanolamine-phosphoric acid functionalized polyacrylonitrile fibers (PANEAPF) In water at 100℃; for 15h; Green chemistry;99%
ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

2-hydroxyresorcinol
87-66-1

2-hydroxyresorcinol

4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one
19040-71-2

4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one

Conditions
ConditionsYield
zirconium(IV) chloride at 20℃; for 0.0833333h;98%
With ammonium cerium(IV) nitrate; silica gel for 0.0333333h; Pechmann reaction; microwave irradiation;96%
With bispyridine cobalt(II) chloride for 0.05h; Pechmann condensation; Microwave irradiation; neat (no solvent);95%
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