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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

Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester

Cas:759-65-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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 Diethyl 2-methyloxosuccinate

Cas:759-65-9

Min.Order:1

Negotiable

Type:Other

inquiry

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

2-Methyl-3-oxosuccinic acid diethyl ester

Cas:759-65-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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 on.O

TIANFU-CHEM_Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester 759-65-9

Cas:759-65-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 759-65-9 with best quality

Cas:759-65-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester

Cas:759-65-9

Min.Order:1 Gram

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.:759-65-9

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Hope Chem Co., Ltd

1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product

diethyl 2-methyl-3-oxosuccinate

Cas:759-65-9

Min.Order:0

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

Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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,

2-Methyl-3-oxosuccinic acid diethyl ester

Cas:759-65-9

Min.Order:1 Kilogram

Negotiable

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

DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Shanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We specialize in manufacturing high quality of Advanced Intermediates, Sp

DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

diethyl 2-methyl-3-oxosuccinate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Diethyl Oxalpropionate cas no. 759-65-9 98%

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Diethyl Methyloxalacetate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

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

DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Diethyl Methyloxalacetate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester cas 759-65-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Butanedioic acid,2-methyl-3-oxo-, 1,4-diethyl ester cas 759-65-9

Cas:759-65-9

Min.Order:0

Negotiable

Type:Other

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

Diethyl methyloxalacetate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

2-(1-oxido-3-pyridin-1-iumyl)acetonitrile

Cas:759-65-9

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Tech Data Relevant 1.Certificate Of Analysis (COA) 2..Material Safety Data Sheet (MSDS) 3.Technical Data Sheet(TDS) 4.Route of synthesis (ROS) 5.Nuclear Magnetic Resonance(NMR) 6.Method of Analysis(MOA) Our Service 1. Before Shipmen

759-65-9 DIETHYL OXALPROPIONATE

Cas:759-65-9

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

Diethyl Oxalopropionate

Cas:759-65-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xi’an Future Biotechnology Co.,Ltd

High quality,stable supply chain. Xi'an Future Biotechnology Co.,Ltd is mainly dedicated to the technology development of phosphorus compounds and related functional intermediates. The aim we pursue is to meet the modern and future demands

Diethyl-2-methyloxosuccinate

Cas:759-65-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

759-65-9

Cas:759-65-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai AngewChem Co., Ltd.

Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete

diethyl 2-Methyl-3-oxosuccinate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Run-Biotech Co., Ltd.

Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

Oxalacetic acid, methyl-, diethyl ester

Cas:759-65-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Yanchu chemicals Co., Ltd

Intermediates, can bull manufacturing Application:intermediates

Diethyl-2-methyloxosuccinate

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Debye Scientific

Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen

Methyloxalacetic acid diethyl ester

Cas:759-65-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

Ethyl propionate
105-37-3

Ethyl propionate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 20℃; Inert atmosphere;67%
With sodium ethanolate In ethanol at 20℃; Inert atmosphere;67%
diethyl ether
60-29-7

diethyl ether

potassium ethoxide
917-58-8

potassium ethoxide

Ethyl propionate
105-37-3

Ethyl propionate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

diethyl ether
60-29-7

diethyl ether

sodium ethanolate
141-52-6

sodium ethanolate

Ethyl propionate
105-37-3

Ethyl propionate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

Ethyl propionate
105-37-3

Ethyl propionate

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

A

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

B

3.6-dioxy-2.5-dimethyl-benzoquinone-(1.4)

3.6-dioxy-2.5-dimethyl-benzoquinone-(1.4)

methyl iodide
74-88-4

methyl iodide

oxalacetic acid diethyl ester ( sodium-compound )

oxalacetic acid diethyl ester ( sodium-compound )

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

Conditions
ConditionsYield
at 100℃;
1-cyano-but-1-ene-1,2,3-tricarboxylic acid triethyl ester
10269-76-8

1-cyano-but-1-ene-1,2,3-tricarboxylic acid triethyl ester

A

2-oxocyanoacetic acid ethyl ester
24793-61-1

2-oxocyanoacetic acid ethyl ester

B

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

C

ethyl acetate
141-78-6

ethyl acetate

1-cyano-but-2-ene-1,2,3-tricarboxylic acid triethyl ester

1-cyano-but-2-ene-1,2,3-tricarboxylic acid triethyl ester

ethyl acetate
141-78-6

ethyl acetate

A

2-oxo-propionic acid ethyl ester
617-35-6

2-oxo-propionic acid ethyl ester

B

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

C

oxalcyanoacetic acid diethyl ester

oxalcyanoacetic acid diethyl ester

Conditions
ConditionsYield
damit enthaelt geringe Mengen γ-Methyl-α-cyan-aconitsaeure-triaethylester gibt Methyloxalessigsaeure-diaethylester;
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

ethyl 4-methyl-5-oxo-2,5-dihydroisoxazole-3-carboxylate
84280-59-1

ethyl 4-methyl-5-oxo-2,5-dihydroisoxazole-3-carboxylate

Conditions
ConditionsYield
With hydroxylamine hydrochloride In ethanol at 78℃; for 14h; Inert atmosphere;100%
With hydroxylamine hydrochloride In ethanol for 12h; Reflux;74.3%
4-penten-3-one
1629-58-9

4-penten-3-one

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

diethyl 2-methyl-3-oxo-2-(3-oxopentyl)succinate
756-55-8

diethyl 2-methyl-3-oxo-2-(3-oxopentyl)succinate

Conditions
ConditionsYield
Stage #1: diethyl oxalpropionate at 20℃; Electrolysis;
Stage #2: 4-penten-3-one at 20℃; for 1h; Michael addition;
96%
With triethylamine In ethanol; benzene
2-aminopyridine
504-29-0

2-aminopyridine

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

ethyl 3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylate

ethyl 3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylate

Conditions
ConditionsYield
With bismuth(III) chloride at 100℃; for 3h; Green chemistry;96%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

aniline
62-53-3

aniline

(Z)-2-Methyl-3-phenylamino-but-2-enedioic acid diethyl ester
59916-78-8

(Z)-2-Methyl-3-phenylamino-but-2-enedioic acid diethyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 48h; Heating;87%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

methyl iodide
74-88-4

methyl iodide

diethyl 3,3-dimethyl-2-ketosuccinate
5447-64-3

diethyl 3,3-dimethyl-2-ketosuccinate

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate In toluene at 20℃;85%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

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

1,2-diamino-benzene

ethyl 2-(3,4-dihydro-3-oxo-2-quinoxalinyl)propanoate
63186-18-5

ethyl 2-(3,4-dihydro-3-oxo-2-quinoxalinyl)propanoate

Conditions
ConditionsYield
In ethanol for 0.25h; Heating;84%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

4-Bromo-5-(N-methyl-hydrazino)-2-phenyl-2H-pyridazin-3-one
128457-11-4

4-Bromo-5-(N-methyl-hydrazino)-2-phenyl-2H-pyridazin-3-one

1,4-Dimethyl-5-oxo-6-phenyl-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester
150582-24-4

1,4-Dimethyl-5-oxo-6-phenyl-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester

Conditions
ConditionsYield
In N,N-dimethyl-formamide Ambient temperature;84%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

4-chloro-aniline
106-47-8

4-chloro-aniline

diethyl 3-((4-chlorophenyl)imino)-2-methylpentanedioate

diethyl 3-((4-chlorophenyl)imino)-2-methylpentanedioate

Conditions
ConditionsYield
With acetic acid In ethanol for 48h; Reflux;84%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2,4-dihydro-5-hydroxy-2-phenyl-3H-pyrazol-3-one
19933-22-3

2,4-dihydro-5-hydroxy-2-phenyl-3H-pyrazol-3-one

ethyl 1,6-dihydro-3-hydroxy-5-methyl-6-oxo-1-phenylpyrano<2,3-c>pyrazole-4-carboxylate

ethyl 1,6-dihydro-3-hydroxy-5-methyl-6-oxo-1-phenylpyrano<2,3-c>pyrazole-4-carboxylate

Conditions
ConditionsYield
at 150℃; for 2h;80%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

sodium glyoxylate
2706-75-4

sodium glyoxylate

2-Methylfumaric acid (1-ethyl ester)
89966-38-1

2-Methylfumaric acid (1-ethyl ester)

Conditions
ConditionsYield
With sodium hydroxide In water at 0℃; for 0.166667h;77%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

aniline
62-53-3

aniline

C15H19NO4
59946-31-5

C15H19NO4

Conditions
ConditionsYield
With acetic acid at 20 - 50℃;77%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

1-amino-2-iminonaphtho<1,2-d>thiazole
94123-43-0

1-amino-2-iminonaphtho<1,2-d>thiazole

diethyl (E,Z)-2-(2-imino-3-naphtho<1,2-d>thiazolylimino)-3-methylsuccinate
142074-67-7, 142074-68-8

diethyl (E,Z)-2-(2-imino-3-naphtho<1,2-d>thiazolylimino)-3-methylsuccinate

Conditions
ConditionsYield
In ethanol for 24h; Heating;76%
ethanol
64-17-5

ethanol

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2,2-diethoxyethaneimidamide sodium chloride
82392-83-4

2,2-diethoxyethaneimidamide sodium chloride

ethyl 2-diethoxymethyl-6-hydroxy-5-methylpyrimidine-4-carboxylate
74536-24-6

ethyl 2-diethoxymethyl-6-hydroxy-5-methylpyrimidine-4-carboxylate

Conditions
ConditionsYield
With triethylamine In ethanol for 2h; Heating;76%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

(E)-2-Methyl-3-trimethylsilanyloxy-but-2-enedioic acid diethyl ester
188530-90-7

(E)-2-Methyl-3-trimethylsilanyloxy-but-2-enedioic acid diethyl ester

Conditions
ConditionsYield
In tetrahydrofuran; triethylamine74%
1-benzylimidazole
4238-71-5

1-benzylimidazole

N,N-diisopropylcarbamoyl chloride
19009-39-3

N,N-diisopropylcarbamoyl chloride

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-(1-benzyl-1H-imidazol-2-yl)-2-diisopropylcarbamoyloxy-3-methyl-succinic acid diethyl ester

2-(1-benzyl-1H-imidazol-2-yl)-2-diisopropylcarbamoyloxy-3-methyl-succinic acid diethyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 68h;73%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

4-Bromo-5-(N-methyl-hydrazino)-2H-pyridazin-3-one
128457-13-6

4-Bromo-5-(N-methyl-hydrazino)-2H-pyridazin-3-one

1,4-Dimethyl-5-oxo-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester
150582-26-6

1,4-Dimethyl-5-oxo-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester

Conditions
ConditionsYield
In N,N-dimethyl-formamide Ambient temperature;72%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-Benzyl-4-bromo-5-(N-methyl-hydrazino)-2H-pyridazin-3-one
128457-14-7

2-Benzyl-4-bromo-5-(N-methyl-hydrazino)-2H-pyridazin-3-one

6-Benzyl-1,4-dimethyl-5-oxo-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester
150582-27-7

6-Benzyl-1,4-dimethyl-5-oxo-1,4,5,6-tetrahydro-pyridazino[4,5-c]pyridazine-3,4-dicarboxylic acid diethyl ester

Conditions
ConditionsYield
In N,N-dimethyl-formamide Ambient temperature;72%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-bromoaniline
615-36-1

2-bromoaniline

8-bromo-3-methylquinolin-4-ol
855871-45-3

8-bromo-3-methylquinolin-4-ol

Conditions
ConditionsYield
Stage #1: diethyl oxalpropionate; 2-bromoaniline With acetic acid In benzene for 96h; Reflux;
Stage #2: With diphenylether for 4h; Reflux; Further stages;
71.5%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

Chloroacetamide
79-07-2

Chloroacetamide

ethyl 2-chloroacetylamino-3-ethoxycarbonyl-2-butenoate
102687-33-2

ethyl 2-chloroacetylamino-3-ethoxycarbonyl-2-butenoate

Conditions
ConditionsYield
With sulfuric acid; trichlorophosphate In benzene71%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

4-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
60178-92-9

4-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester

Conditions
ConditionsYield
With hydrazine hydrate In ethanol for 0.5h; Heating;70%
2,3-Diaminopyridine
452-58-4

2,3-Diaminopyridine

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

3-(1-ethoxycarbonyl)ethyl-1H-pyrido[2,3-b]pyrazin-2-one

3-(1-ethoxycarbonyl)ethyl-1H-pyrido[2,3-b]pyrazin-2-one

Conditions
ConditionsYield
In ethanol Ambient temperature;70%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

aniline
62-53-3

aniline

diethyl 2‐methyl-3‐(phenylimino)succinate
408532-32-1

diethyl 2‐methyl-3‐(phenylimino)succinate

Conditions
ConditionsYield
With magnesium sulfate69%
With acetic acid In toluene Reflux; Dean-Stark;67%
With toluene-4-sulfonic acid In toluene Heating;
In dichloromethane Heating / reflux;
With toluene-4-sulfonic acid In cyclohexane at 120℃; for 48h; Inert atmosphere;
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

aniline
62-53-3

aniline

(Z)-2-Methyl-3-phenylamino-but-2-enedioic acid diethyl ester

(Z)-2-Methyl-3-phenylamino-but-2-enedioic acid diethyl ester

Conditions
ConditionsYield
In acetic acid at 50℃; for 24h; Reflux; Inert atmosphere;68%
With acetic acid at 50℃; for 24h;61%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-amino-4,5-difluoroaniline
76179-40-3

2-amino-4,5-difluoroaniline

2-(6,7-difluoro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-propionic acid ethyl ester

2-(6,7-difluoro-3-oxo-3,4-dihydro-quinoxalin-2-yl)-propionic acid ethyl ester

Conditions
ConditionsYield
In ethanol for 2h; Condensation; Heating;68%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

ethyl 5-hydroxy-4-methyl-1H-pyrazole-3-carboxylate

ethyl 5-hydroxy-4-methyl-1H-pyrazole-3-carboxylate

Conditions
ConditionsYield
With hydrazine hydrate at 55 - 67℃; for 24h;66%
N,N-diethylhydrazine
616-40-0

N,N-diethylhydrazine

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-(Diethyl-hydrazono)-3-methyl-succinic acid diethyl ester
80588-73-4

2-(Diethyl-hydrazono)-3-methyl-succinic acid diethyl ester

Conditions
ConditionsYield
In ethanol for 24h; Ambient temperature;65%
methanol
67-56-1

methanol

diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

diguanidine carbonate
593-85-1

diguanidine carbonate

methyl-2-amino-6-hydroxy-5-methyl-pyrimidine-4-carboxylate
1192345-71-3

methyl-2-amino-6-hydroxy-5-methyl-pyrimidine-4-carboxylate

Conditions
ConditionsYield
Stage #1: diethyl oxalpropionate; diguanidine carbonate With sodium hydroxide In water at 100℃; for 18h;
Stage #2: methanol With sulfuric acid for 12h; Reflux;
Stage #3: With ammonia In water at 20℃;
65%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

aniline
62-53-3

aniline

ethyl 3-methyl-4-oxo-1,4‐dihydroquinoline‐2‐carboxylate
219949-95-8, 402491-57-0

ethyl 3-methyl-4-oxo-1,4‐dihydroquinoline‐2‐carboxylate

Conditions
ConditionsYield
Stage #1: diethyl oxalpropionate; aniline With acetic acid In benzene Heating / reflux;
Stage #2: In diphenylether at 250℃; for 0.5h;
63%
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

5,5-dimethyl-6-hydrazino-4,5-dihydro-2H-pyridazin-3-one
100568-22-7

5,5-dimethyl-6-hydrazino-4,5-dihydro-2H-pyridazin-3-one

diethyl 2-[(1,4,5,6-tetrahydro-4,4-dimethyl-6-oxo-3-pyridazinyl)hydrazono]-3-methylbutanedioate

diethyl 2-[(1,4,5,6-tetrahydro-4,4-dimethyl-6-oxo-3-pyridazinyl)hydrazono]-3-methylbutanedioate

Conditions
ConditionsYield
In ethanol at 20℃; for 72h;62%

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