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Chemsigma International Co.,Ltd.

Chemsigma is the sales center of Nanjing King-pharm Co.Ltd. And Dewei Chemicals industry. We are engaged in developing and manufacturing API, Pharmaceutical intermediates, Biochemicals, Frangrance chemicals and some other specialty chemicals. S

Isopropyl Acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

FOB Price: $44.5 / 100.0

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 Isopropyl Acetoacetate supplier in China

Cas:542-08-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name Isopropyl acetoacetate CAS number 542-08-5 Assay ≥99% Appearance Colorless transparent liquid Capacity 200mt/year Application Azodipine inte

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid 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

Isopropyl acetoacetate

Cas:542-08-5

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 Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1

Negotiable

Type:Other

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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 quantiti

High purity Isopropyl acetoacetate 98% supplier in China

Cas:542-08-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 isopropyl ester

Cas:542-08-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

(Isopropyl acetoacetate)

Cas:542-08-5

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

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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

99% PureCAS 542-08-5 with high quality products

Cas:542-08-5

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is

Isopropyl acetoacetate CAS NO 542-08-5

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Isopropyl acetoacetate 542-08-5

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Isopropyl acetoacetate CAS:542-08-5 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 inte

Isopropyl acetoacetate CAS:542-08-5

Cas:542-08-5

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

Isopropyl acetoacetate

Cas:542-08-5

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

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Isopropyl Acetoacetate

Cas:542-08-5

Min.Order:0

Negotiable

Type:Manufacturers

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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

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0 Metric Ton

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

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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 Isopropyl Acetoacetate

Cas:542-08-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hebei Kunsui Technology Co., Ltd.

1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m

Organic Intermediate Isopropyl 3-oxobutanoate CAS 542-08-5

Cas:542-08-5

Min.Order:1 Liter

FOB Price: $4.5 / 5.0

Type:Trading Company

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Reliable Quality Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0

Negotiable

Type:Trading Company

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Siwei Development Group Ltd.

Product name: Isopropyl Acetoacetate CAS No.:542-08-5 Molecule Formula:C7H12O3 Molecule Weight:144.17 Purity: 99.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard

Best Quality Isopropyl Acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Wuhan Fortuna Chemical Co.,Ltd

CAS:542-08-5 EINECS:208-798-4 MW:144.17 MF:C7H12O3 Melting point:-27°C Boiling point:95 °C52 hPa(lit.) Appearance:colorless liquid Package:200kg/Steel drum Transportation:by sea Port:Shanghai

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

Isopropyl acetoacetate Chemical Properties Melting point -27°C Boiling point 95 °C52 hPa(lit.) density 0.989 g/mL at 20 °C(lit.) refractive index n20/D 1.418 Fp 73°C pka 11.67±0.46(Predicted) Water Solubi

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Acetoacetic acid isopropyl ester

Cas:542-08-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:colorless transparent liquid Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceuti

Isopropyl acetoacetate

Cas:542-08-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Synthetic route

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

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

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With sodium acetate for 24h; Reflux;98%
Esterification;92%
In 5,5-dimethyl-1,3-cyclohexadiene at 150℃; for 3h;55%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane at 50 - 90℃; for 2h; Reagent/catalyst; Temperature;95.5%
With triethylamine at 95℃; for 3h;89.6%
With sodium acetate at 115℃; for 2.5h;86%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(E)-3-phenylpropenal
14371-10-9

(E)-3-phenylpropenal

titanium(IV)isopropoxide
546-68-9

titanium(IV)isopropoxide

A

isopropyl E-5-hydroxy-3-oxo-7-phenyl-6-heptenoate

isopropyl E-5-hydroxy-3-oxo-7-phenyl-6-heptenoate

B

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
In dichloromethaneA 88%
B n/a
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene for 5h; Reflux;87%
With iodine In toluene for 7h; Heating;63%
niobium(V) oxide In toluene for 8h; Heating;63%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With 1,3,5-trichloro-2,4,6-triazine; N,N-dimethyl-formamide for 0.0116667h; Reagent/catalyst; Microwave irradiation;83%
With Prussian blue In toluene for 0.183333h; Microwave irradiation;82%
With silver trifluoromethanesulfonate In toluene at 110℃; for 10h;77%
With iodine In toluene for 6h; Ionic liquid; Reflux;68%
isopropyl 4-bromo-3-oxobutanoate
134969-44-1

isopropyl 4-bromo-3-oxobutanoate

triphenylphosphine
603-35-0

triphenylphosphine

A

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

B

(3-Isopropoxycarbonyl-2-oxopropyl)triphenylphosphonium bromide

(3-Isopropoxycarbonyl-2-oxopropyl)triphenylphosphonium bromide

Conditions
ConditionsYield
In benzene for 24h; Ambient temperature; Yields of byproduct given;A n/a
B 82.9%
2,4-oxetanedione
15159-48-5

2,4-oxetanedione

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With triethylamine for 5h; Ambient temperature;77.5%
Isopropyl acetate
108-21-4

Isopropyl acetate

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

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

A

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

B

(4S)-3-oxo-4,5-(N-triphenylmethylepimino)pentanoic acid isopropyl ester
236742-98-6

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

Conditions
ConditionsYield
Stage #1: Isopropyl 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 70%
cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

acetyl chloride
75-36-5

acetyl chloride

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
Stage #1: cycl-isopropylidene malonate; acetyl chloride With pyridine In dichloromethane at 0 - 20℃; for 2h;
Stage #2: isopropyl alcohol for 2h; Reflux;
65%
Isopropyl acetate
108-21-4

Isopropyl acetate

isopropylmagnesium chloride
1068-55-9

isopropylmagnesium chloride

A

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

B

3-hydroxy-3,4-dimethyl-valeric acid isopropyl ester
54074-71-4

3-hydroxy-3,4-dimethyl-valeric acid isopropyl ester

Conditions
ConditionsYield
With diethyl ether
Isopropyl acetate
108-21-4

Isopropyl acetate

sodium isopropylate
683-60-3

sodium isopropylate

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
Geschwindigkeit;
Isopropyl acetate
108-21-4

Isopropyl acetate

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With sodium isopropylate at 87℃;
With diethyl ether; ammonia; sodium amide
With sodium
(i) LiNH2, liq. NH3, (ii) Ph2CO; Multistep reaction;
Acetoacetylfluorid
2343-88-6

Acetoacetylfluorid

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With triethylamine In diethyl ether
1-<(Carboisopropoxy)methylthio>ethylidenyldimethylammonium Iodide
73200-00-7

1-<(Carboisopropoxy)methylthio>ethylidenyldimethylammonium Iodide

1-<(Carboethoxy)methylthio>pentylidenyldimethylammonium Iodide
73200-01-8

1-<(Carboethoxy)methylthio>pentylidenyldimethylammonium Iodide

A

Ethyl 3-oxoheptanoate
7737-62-4

Ethyl 3-oxoheptanoate

B

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

C

ethyl acetoacetate
141-97-9

ethyl acetoacetate

D

Isopropyl 3-Oxoheptanoate
73200-02-9

Isopropyl 3-Oxoheptanoate

Conditions
ConditionsYield
With bis [3-dimethyl-amino-1-propyl] phenyl phosphine In acetonitrile Mechanism; Heating;
isopropyl alcohol
67-63-0

isopropyl alcohol

2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine
2911-21-9

2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With triethylamine Heating;
isopropyl 4-bromo-3-oxobutanoate
134969-44-1

isopropyl 4-bromo-3-oxobutanoate

triphenylphosphine
603-35-0

triphenylphosphine

A

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

B

(3-Isopropoxycarbonyl-2-oxopropyl)triphenylphosphonium bromide

(3-Isopropoxycarbonyl-2-oxopropyl)triphenylphosphonium bromide

C

((Z)-2-Bromo-3-isopropoxycarbonyl-allyl)-triphenyl-phosphonium; bromide

((Z)-2-Bromo-3-isopropoxycarbonyl-allyl)-triphenyl-phosphonium; bromide

D

(3-Bromo-1-isopropoxycarbonyl-2-oxo-propyl)-triphenyl-phosphonium; bromide

(3-Bromo-1-isopropoxycarbonyl-2-oxo-propyl)-triphenyl-phosphonium; bromide

Conditions
ConditionsYield
In benzene for 24h; Product distribution; Ambient temperature; various solvents;
In chloroform-d1 Ambient temperature;A 18 % Spectr.
B 60.5 % Spectr.
C n/a
D n/a
5-(1-hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
85920-63-4

5-(1-hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
In toluene Heating;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(E)-3-phenylpropenal
14371-10-9

(E)-3-phenylpropenal

titanium(IV)isopropoxide
546-68-9

titanium(IV)isopropoxide

A

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

B

(S,E)-5-hydroxy-3-oxo-7-phenyl-6-heptenoic acid isopropyl ester

(S,E)-5-hydroxy-3-oxo-7-phenyl-6-heptenoic acid isopropyl ester

C

(R)-(E)-isopropyl 5-hydroxy-7-phenyl-3-oxo-6-heptenoate

(R)-(E)-isopropyl 5-hydroxy-7-phenyl-3-oxo-6-heptenoate

Conditions
ConditionsYield
With (S)-[1,1']-binaphthalenyl-2,2'-diol In dichloromethane at 20℃; for 24h; Title compound not separated from byproducts;
S-phenyl thioacetate
934-87-2

S-phenyl thioacetate

S-phenyl 3-oxobutanethioate
40053-29-0

S-phenyl 3-oxobutanethioate

isopropyl alcohol
67-63-0

isopropyl alcohol

A

Isopropyl acetate
108-21-4

Isopropyl acetate

B

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

Conditions
ConditionsYield
With silver trifluoroacetate In chloroform for 3h;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

isopropyl 3-aminocrotonate
14205-46-0

isopropyl 3-aminocrotonate

Conditions
ConditionsYield
With ammonium acetate In ethanol for 24h; Reflux;100%
With ammonia In water at 25℃; for 3h; Temperature; Reagent/catalyst;91.7%
With ammonium hydroxide; ammonium acetate at -5 - 5℃; for 18h;86%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

isopropyl ester of (R)-3-hydroxybutanoic acid
87128-49-2

isopropyl ester of (R)-3-hydroxybutanoic acid

Conditions
ConditionsYield
With hydrogen; C50H44Cl2N2O8P4Ru(4-)*Zr(4+) In methanol at 20℃; under 72402.6 Torr; for 20h; Product distribution / selectivity;100%
With C50H46Cl2N2O2P2Ru; hydrogen In methanol at 50℃; under 30003 Torr; for 24h; Catalytic behavior; Reagent/catalyst; Autoclave; enantioselective reaction;99%
With hydrogen; [(R)-BINAP]RuBr2 In methanol at 23 - 30℃; under 55480 Torr; for 34h;93 % Chromat.
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

2-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid isopropyl ester
139471-96-8

2-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid isopropyl ester

Conditions
ConditionsYield
With piperdinium acetate In isopropyl alcohol at 45 - 55℃;100%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

isopropyl 2-((dimethylamino)methylene)-3-oxobutanoate
329363-90-8

isopropyl 2-((dimethylamino)methylene)-3-oxobutanoate

Conditions
ConditionsYield
at 20℃;100%
at 20℃;100%
at 20℃;100%
In chloroform for 1h; Heating;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

methyl iodide
74-88-4

methyl iodide

rac-isopropyl 2-methyl-3-oxobutanoate
919771-62-3

rac-isopropyl 2-methyl-3-oxobutanoate

Conditions
ConditionsYield
With potassium carbonate at 0 - 40℃; for 3h;99%
Stage #1: isopropyl acetoacetate With potassium carbonate In acetone for 0.0833333h; Inert atmosphere;
Stage #2: methyl iodide In acetone for 18h; Inert atmosphere; Reflux;
81%
Stage #1: isopropyl acetoacetate With potassium carbonate In acetone for 0.0833333h; Inert atmosphere;
Stage #2: methyl iodide In acetone for 18h; Inert atmosphere; Reflux;
81%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

2-aminoacetophenone
551-93-9

2-aminoacetophenone

iso-propyl 2,4-dimethylquinoline-3-carboxylate

iso-propyl 2,4-dimethylquinoline-3-carboxylate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol at 80℃; for 12h; Reagent/catalyst; Friedlaender Quinoline Synthesis; Schlenk technique;99%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

benzaldehyde
100-52-7

benzaldehyde

urea
57-13-6

urea

(±)-isopropyl 6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

(±)-isopropyl 6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction;98%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis;96%
With silica-supported Cu(I) In ethanol for 5h; Biginelli pyrimidine synthesis; Reflux;93%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

urea
57-13-6

urea

5-isopropoxycarbonyl-4-(4'-chlorophenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one

5-isopropoxycarbonyl-4-(4'-chlorophenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 2h; Biginelli reaction;98%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis;94%
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

urea
57-13-6

urea

5-isopropyloxycarbonyl-6-methyl-4-(4-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

5-isopropyloxycarbonyl-6-methyl-4-(4-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction;98%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis;94%
With hexaaquaaluminium(III) tetrafluoroborate In acetonitrile for 20h; Biginelli pyrimidine synthesis; Reflux;83%
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction;75%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

urea
57-13-6

urea

5-isopropoxycarbonyl-6-methyl-4-(3-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

5-isopropoxycarbonyl-6-methyl-4-(3-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With 1-butyl-3-carboxymethyl-benzotriazolium trifluoroacetate In neat (no solvent) at 90℃; for 0.666667h; Biginelli Pyrimidone Synthesis;98%
vinyl acetate
108-05-4

vinyl acetate

N,N'-Dimethylurea
96-31-1

N,N'-Dimethylurea

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

isopropyl 1,3,4,6-tetramethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

isopropyl 1,3,4,6-tetramethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
With isopropyl alcohol In water at 60℃; for 48h; Biginelli Pyrimidone Synthesis; Enzymatic reaction;98%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

zinc(II) chloride
7646-85-7

zinc(II) chloride

2C7H11O3(1-)*Zn(2+)

2C7H11O3(1-)*Zn(2+)

Conditions
ConditionsYield
Stage #1: isopropyl acetoacetate With sodium methylate In isopropyl alcohol at 80℃; for 1h;
Stage #2: zinc(II) chloride In isopropyl alcohol at 70 - 90℃; for 4.5h;
98%
oct-1-ene
111-66-0

oct-1-ene

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

isopropyl 2-acetyl-3-methylnonanoate

isopropyl 2-acetyl-3-methylnonanoate

Conditions
ConditionsYield
With [Ir(cod)2]SbF6; 2,2'-bis(diphenylphosphino)biphenyl for 24h; Reflux; diastereoselective reaction;98%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

acetyl chloride
75-36-5

acetyl chloride

isopropyl diacetylacetate
365212-62-0

isopropyl diacetylacetate

Conditions
ConditionsYield
With pyridine; magnesium chloride In dichloromethane at 0 - 20℃; for 16h;97%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

thiourea
17356-08-0

thiourea

isopropyl 2-amino-4-methylthiazole-5-carboxylate

isopropyl 2-amino-4-methylthiazole-5-carboxylate

Conditions
ConditionsYield
With erythrosine B; oxygen In acetonitrile at 20℃; for 8h; Irradiation; Green chemistry;97%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

5-Bromo-1H-indole-2,3-dione
87-48-9

5-Bromo-1H-indole-2,3-dione

isopropyl (R)-4-(5-bromo-3-hydroxy-2-oxoindolin-3-yl)-3-oxobutanoate

isopropyl (R)-4-(5-bromo-3-hydroxy-2-oxoindolin-3-yl)-3-oxobutanoate

Conditions
ConditionsYield
With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((R)-(6-methoxyquinolin-4-yl)((1S,2R,4S,5R)-5-vinylquinuclidin-2-yl)methyl)thiourea In tetrahydrofuran at 4℃; for 96h; Aldol Addition; enantioselective reaction;97%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

anthranilic acid amide
28144-70-9

anthranilic acid amide

2,2-dimethyl-2,3-dihydro-1H-quinazolin-4-one
77726-78-4

2,2-dimethyl-2,3-dihydro-1H-quinazolin-4-one

Conditions
ConditionsYield
With Candida antarctica lipase B In hexane; water at 50℃; for 40h; Enzymatic reaction;97%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

iso-propyl (S)-(+)-3-hydroxybutyrate
111970-49-1

iso-propyl (S)-(+)-3-hydroxybutyrate

Conditions
ConditionsYield
With yeast Saccharomyces cerevisiae; water In Petroleum ether Ambient temperature;96%
With hydrogen In isopropyl alcohol at 80℃; under 15001.5 Torr; for 10h; enantioselective reaction;96.5%
With dichloro(benzene)ruthenium(II) dimer; C49H52O2P2; hydrogen In methanol at 80℃; under 38002.6 Torr; for 12h; optical yield given as %ee; enantioselective reaction;
With D-Glucose; cobalt(II); BaSDR1 reductase variant Q139G; NADH In aq. phosphate buffer at 35℃; pH=7.5; Kinetics; Reagent/catalyst; Enzymatic reaction; enantioselective reaction;n/a
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

urea
57-13-6

urea

5-isopropoxycarbonyl-4-(4'-fluorophenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one

5-isopropoxycarbonyl-4-(4'-fluorophenyl)-6-methyl-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 2h; Biginelli reaction;96%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis;94%
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

urea
57-13-6

urea

5-isopropoxycarbonyl-6-methyl-4-(4'-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one

5-isopropoxycarbonyl-6-methyl-4-(4'-nitrophenyl)-3,4-dihydropyrimidin-2(1H)-one

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 3h; Biginelli reaction;96%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 4h; Biginelli pyrimidine synthesis;90%
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

urea
57-13-6

urea

(±)-isopropyl 4-(2-chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
312596-19-3

(±)-isopropyl 4-(2-chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
With calcium fluoride In ethanol at 40℃; for 1.3h; Biginelli reaction;96%
With strontium (III) chloride hexahydrate In ethanol at 40℃; for 2h; Biginelli pyrimidine synthesis;96%
With zinc(II) chloride In tetrahydrofuran at 70℃; for 12h; Biginelli Pyrimidone Synthesis;92%
diphenyl(trifluoromethanesulfonato)-λ3-iodane

diphenyl(trifluoromethanesulfonato)-λ3-iodane

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

(Z)-isopropyl 3-phenoxybut-2-enoate
1613614-14-4

(Z)-isopropyl 3-phenoxybut-2-enoate

Conditions
ConditionsYield
With copper(l) iodide; lithium carbonate In 1,4-dioxane at 70℃; for 60h; Inert atmosphere; Sealed tube; regioselective reaction;96%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

isopropyl 3-aminocrotonate
40100-28-5

isopropyl 3-aminocrotonate

Conditions
ConditionsYield
With ammonia In dichloromethane95%
With ammonia at 10℃;89%
With ammonia In ethanol
tryptamine
61-54-1

tryptamine

isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

3-phenyl-propenal
104-55-2

3-phenyl-propenal

(2S,12bS)-isopropyl 4-methyl-2-phenyl-1,2,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine-3-carboxylate
1225230-86-3

(2S,12bS)-isopropyl 4-methyl-2-phenyl-1,2,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine-3-carboxylate

Conditions
ConditionsYield
Stage #1: isopropyl acetoacetate; 3-phenyl-propenal With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In toluene at -15℃; for 24h; Inert atmosphere;
Stage #2: tryptamine With benzoic acid In toluene at 50℃; for 24h; optical yield given as %ee; enantioselective reaction;
95%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

C22H29NO4

C22H29NO4

Conditions
ConditionsYield
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis;95%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

C22H29NO5

C22H29NO5

Conditions
ConditionsYield
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis;95%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

urea
57-13-6

urea

Isopropyl 6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
131275-78-0

Isopropyl 6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
With polyphosphate ester for 0.00833333h; Cyclization; Biginelli condensation; Irradiation;94%
With polyphosphonate ester In tetrahydrofuran for 24h; Biginelli cyclocondensation; Heating;94%
With ytterbium(III) triflate In toluene at 100℃; Biginelli Pyrimidone Synthesis;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

3-methoxy-benzaldehyde
591-31-1

3-methoxy-benzaldehyde

urea
57-13-6

urea

5-isopropoxycarbonyl-6-methyl-4-(3-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

5-isopropoxycarbonyl-6-methyl-4-(3-methoxyphenyl)-3,4-dihydropyrimidin-2(1H)-thione

Conditions
ConditionsYield
With 1-butyl-3-carboxymethyl-benzotriazolium trifluoroacetate In neat (no solvent) at 90℃; for 0.666667h; Biginelli Pyrimidone Synthesis;94%
With Amberlyst 15-supported ytterbium(III) reagent at 120℃; for 48h; Biginelli reaction;73%
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