Products

Refine

Country

Business Type

Certificate

Display

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Description Colorless to yellow liquid Pass Assay,GC ≥98%

High purity 762-42-5 dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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 Dimethyl Acetylenedicarboxylate supplier in China

Cas:762-42-5

Min.Order:1 Metric Ton

Negotiable

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 Dimethyl butynedioate

Cas:762-42-5

Min.Order:1

Negotiable

Type:Other

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 Oled CAS 762-42-5 Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Acetylenedicarboxylic acid dimethyl ester

Cas:762-42-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--762-42-5--Dimethyl acetylenedicarboxylate factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable bus

TIANFUCHEM--762-42-5--Dimethyl acetylenedicarboxylate factory price

Cas:762-42-5

Min.Order:1 Metric Ton

FOB Price: $2000.0

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 762-42-5 with best quality

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product name: Dimethyl acetylenedicarboxylate Alias: Dimethyl 2-butynedioate CAS NO.: 762-42-5 Appearance: Colorless liquid Content: 99% Molecular formula: C6H6O4 Molecular weight: 142.11 Appearance:Colorless transparent liquid, Storage: Prese

Dimethyl acetylenedicarboxylate CAS:762-42-5

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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

Dimethyl acetylenedicarboxylate 762-42-5

Cas:762-42-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Organic Synthesis, Dimethyl acetylenedicarboxylate CAS:762-42-5

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $81.0 / 84.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Dimethyl acetylenedicarboxylate CAS: 762-42-5 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 or

Dimethyl acetylenedicarboxylate CAS: 762-42-5

Cas:762-42-5

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

Dimethyl acetylenedicarboxylate

Cas:762-42-5

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

CAS NO.:762-42-5

Cas:762-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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 s

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $11.0 / 15.0

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 100000.0

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

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

Dimethyl acetylenedicarboxylate

Cas:762-42-5

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

But-2-ynedioic acid dimethyl ester

Cas:762-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

Dimethyl acetylenedicarboxylate/High quality/Best price

Cas:762-42-5

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 Dimethyl Acetylenedicarboxylate

Cas:762-42-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:clear colorless to light yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum;200kg/drum as per your request Application:Used in

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: Dimethyl Acetylenedicarboxylate CAS No.:762-42-5 Molecule Formula:C6H6O4 Molecule Weight:142.11 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING

Best Quality Dimethyl Acetylenedicarboxylate with good supplier

Cas:762-42-5

Min.Order:1 Kilogram

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,

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Metric Ton

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

Quality Manufacturer Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Dimethyl acetylenedicarboxylate Basic information Product Name: Dimethyl acetylenedicarboxylate Synonyms: 1,2-Acetylenedicarboxylic acid dimethyl ester;1,2-Ethynedicarboxylic acid dimethyl ester;2-Butynedioic acid dimethyl;Ethyne-1,2-dicarboxy

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

762-42-5 Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD

CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD. founded in 1984, engages in pharmaceutical research, development, production, process design and technical consultation of synthetic and fermentation pharmaceutical products. The

dimethyl acetylenedicarboxylate 762-42-5 manufacturer/high quality

Cas:762-42-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

762-42-5 Dimethyl acetylenedicarboxylate

Cas:762-42-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

methanol
67-56-1

methanol

Acetylenedicarboxylic acid
142-45-0

Acetylenedicarboxylic acid

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In 1,2-dichloro-ethane; toluene Reflux;93%
With sulfuric acid at 20℃; for 24h; Inert atmosphere;88%
With sulfuric acid
With toluene-4-sulfonic acid
trans-2,3-dibromobutenedioic acid dimethyl ester
1114-20-1, 62675-22-3, 116631-94-8

trans-2,3-dibromobutenedioic acid dimethyl ester

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With zinc In tetrahydrofuran for 2h; Heating;93%
With zinc In tetrahydrofuran for 2h; Heating; Yield given;
(C5H5)2VC2(CO2CH3)2

(C5H5)2VC2(CO2CH3)2

A

bis(cyclopentadienyl)vanadium dichloride
12083-48-6

bis(cyclopentadienyl)vanadium dichloride

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With chlorine In tetrachloromethaneA 68%
B 37%
With Cl2 In tetrachloromethaneA 68%
B 37%
3-methoxycarbonyl-5-pyrazolinone
86625-25-4

3-methoxycarbonyl-5-pyrazolinone

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol 1.) -23 deg C, 45 min; 2.) rt, 1 h;59%
dimethyl 2-oxo-3-triphenylphosphoranylidenebutanedioate
64995-84-2

dimethyl 2-oxo-3-triphenylphosphoranylidenebutanedioate

A

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

B

Triphenylphosphine oxide
791-28-6

Triphenylphosphine oxide

Conditions
ConditionsYield
at 500℃; under 0.01 Torr;A 59%
B n/a
at 500℃; under 0.001 - 0.1 Torr; for 1h;A 59 % Spectr.
B n/a
methyl 7-oxo-2-phenyl-7H-[1,2,4]triazolo[3,2-b][1,3]thiazine-5-carboxylate
68827-52-1

methyl 7-oxo-2-phenyl-7H-[1,2,4]triazolo[3,2-b][1,3]thiazine-5-carboxylate

methanol
67-56-1

methanol

A

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

B

3-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-thione
3414-94-6

3-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-thione

Conditions
ConditionsYield
Stage #1: methyl 7-oxo-2-phenyl-7H-[1,2,4]triazolo[3,2-b][1,3]thiazine-5-carboxylate With potassium hydroxide In methanol; water for 48h;
Stage #2: methanol at 20℃; for 96h;
A n/a
B 59%
(Z)-1-hydroperoxy-N-[(Z)-3-(methoxycarbonyl)-2-propenylidene]cyclohexylamine N-oxide
183586-23-4

(Z)-1-hydroperoxy-N-[(Z)-3-(methoxycarbonyl)-2-propenylidene]cyclohexylamine N-oxide

A

Maleinaldehydsaeure-methylester
57314-32-6

Maleinaldehydsaeure-methylester

B

cyclohexanone
108-94-1

cyclohexanone

C

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

D

(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester
183813-49-2

(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester

Conditions
ConditionsYield
In benzene for 0.5h; Heating; Further byproducts given;A 32%
B 6%
C 32%
D n/a
(Z)-1-hydroperoxy-N-[(Z)-3-(methoxycarbonyl)-2-propenylidene]cyclohexylamine N-oxide
183586-23-4

(Z)-1-hydroperoxy-N-[(Z)-3-(methoxycarbonyl)-2-propenylidene]cyclohexylamine N-oxide

A

cyclohexanone
108-94-1

cyclohexanone

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

C

(Z)-anti-methyl 4-(hydroxyimino)but-2-enoate
183586-28-9

(Z)-anti-methyl 4-(hydroxyimino)but-2-enoate

D

(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester
183813-49-2

(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester

Conditions
ConditionsYield
In benzene for 0.5h; Heating; Further byproducts given. Title compound not separated from byproducts;A 6%
B 32%
C n/a
D n/a
(1S,3aR)-1H-1,3a-Etheno-azulene-9,10-dicarboxylic acid dimethyl ester
58150-95-1

(1S,3aR)-1H-1,3a-Etheno-azulene-9,10-dicarboxylic acid dimethyl ester

A

dimethyl heptalene-4,5-dicarboxylate
58150-88-2

dimethyl heptalene-4,5-dicarboxylate

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

C

azulene
275-51-4

azulene

Conditions
ConditionsYield
In (2)H8-toluene at 60℃; under 750.06 Torr; for 30h; thermolyse, other pressure;
2-(2-thienyl)-4,5-dimethoxycarbonyl-1,3-dithiole
116935-20-7

2-(2-thienyl)-4,5-dimethoxycarbonyl-1,3-dithiole

methyl iodide
74-88-4

methyl iodide

A

thiophene-2-carbodithioic acid methyl ester
2168-83-4

thiophene-2-carbodithioic acid methyl ester

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With n-butyllithium 1) 2 h -30 deg C THF hexane, 2) 2 h; Multistep reaction;
Bicyclo[2.2.2]octa-2,5,7-triene-2,3,5,6-tetracarboxylic acid tetramethyl ester

Bicyclo[2.2.2]octa-2,5,7-triene-2,3,5,6-tetracarboxylic acid tetramethyl ester

A

phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With base
methanol
67-56-1

methanol

dibromomaleic acid
608-37-7

dibromomaleic acid

A

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

B

dimethylfumarate
624-49-7

dimethylfumarate

C

Dimethyl succinate
106-65-0

Dimethyl succinate

Conditions
ConditionsYield
With samarium; sulfuric acid 1) MeOH, 24 h, RT, 2) reflux; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
methanol
67-56-1

methanol

meso-2,3-dibromosuccinic acid
916065-46-8

meso-2,3-dibromosuccinic acid

A

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

B

dimethylfumarate
624-49-7

dimethylfumarate

C

Dimethyl succinate
106-65-0

Dimethyl succinate

Conditions
ConditionsYield
With samarium; sulfuric acid 1) MeOH, 24 h, Rt, 2) reflux; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
Dimethyl 1-(2-chlorophenyl)-7-oxabicyclo[2.2.1]heptadiene-2,3-dicarboxylate
194220-96-7

Dimethyl 1-(2-chlorophenyl)-7-oxabicyclo[2.2.1]heptadiene-2,3-dicarboxylate

A

2-(2-chlorophenyl)furan
38527-56-9

2-(2-chlorophenyl)furan

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

C

2'-Chloro-4-hydroxy-biphenyl-2,3-dicarboxylic acid dimethyl ester

2'-Chloro-4-hydroxy-biphenyl-2,3-dicarboxylic acid dimethyl ester

D

5-[1-(2-Chloro-phenyl)-1-hydroxy-meth-(Z)-ylidene]-cyclopenta-1,3-diene-1,2-dicarboxylic acid dimethyl ester

5-[1-(2-Chloro-phenyl)-1-hydroxy-meth-(Z)-ylidene]-cyclopenta-1,3-diene-1,2-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
With hydrogenchloride; water In dichloromethane for 24h; Product distribution; Further Variations:; Reagents; Solvents; Temperatures; retro-Diels-Alder reaction; Heating;
methanol
67-56-1

methanol

monopotassium salt of/the/ acetylenedicarboxylic acid

monopotassium salt of/the/ acetylenedicarboxylic acid

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With sulfuric acid at 25℃;
With sulfuric acid
methanol
67-56-1

methanol

monopotassium-salt of/the/ butynedioic acid

monopotassium-salt of/the/ butynedioic acid

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With sulfuric acid; sulfur trioxide; 1,2-dichloro-ethane
methanol
67-56-1

methanol

sulfuric acid
7664-93-9

sulfuric acid

Acetylenedicarboxylic acid
142-45-0

Acetylenedicarboxylic acid

A

2-methoxyfumaric acid
2215-12-5

2-methoxyfumaric acid

B

2-methoxy-2-butenedioic acid dimethyl ester
26579-97-5

2-methoxy-2-butenedioic acid dimethyl ester

C

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
Veresterung;
tetrakis(2-bromobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)
121619-92-9

tetrakis(2-bromobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)

A

tetrakis(2-bromobenzoato)(dimethyl acetylenedicarboxylate)tetracopper(I)

tetrakis(2-bromobenzoato)(dimethyl acetylenedicarboxylate)tetracopper(I)

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
In (2)H8-toluene N2, NMR tube, T: 213 - 293 K; (1)H NMR spectroscopy;
tetrakis(2-chlorobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)
121619-91-8

tetrakis(2-chlorobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)

A

tetrakis(2-chlorobenzoato)(dimethyl acetylenedicarboxylate)tetracopper(I)

tetrakis(2-chlorobenzoato)(dimethyl acetylenedicarboxylate)tetracopper(I)

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
In (2)H8-toluene N2, NMR tube, T: 213 - 293 K; (1)H NMR spectroscopy;
tetrakisbenzoatobis(dimethyl acetylenedicarboxylate)tetracopper(I)
121619-90-7

tetrakisbenzoatobis(dimethyl acetylenedicarboxylate)tetracopper(I)

A

tetrakisbenzoato(dimethyl acetylenedicarboxylate)tetracopper(I)

tetrakisbenzoato(dimethyl acetylenedicarboxylate)tetracopper(I)

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
In (2)H8-toluene N2, NMR tube, T: 213 - 298 K; (1)H NMR spectroscopy;
1,1,2-tricarbonyl-μ-(dimethyl 2-butynedioate-μ-C(2),μ-C(3)3)(2-3-η-dimethyl 2-butynedioate)-μ-(1-5:1'-5'-.eta-fulvalene)-dimolybdenum (Mo-Mo)

1,1,2-tricarbonyl-μ-(dimethyl 2-butynedioate-μ-C(2),μ-C(3)3)(2-3-η-dimethyl 2-butynedioate)-μ-(1-5:1'-5'-.eta-fulvalene)-dimolybdenum (Mo-Mo)

A

(η5:η5-fulvalene)tetracarbonyl(dimethyl ethynedicarboxylate)dimolybdenum

(η5:η5-fulvalene)tetracarbonyl(dimethyl ethynedicarboxylate)dimolybdenum

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
In toluene heating in toluene at 110°C; alkyne detected by NMR;
Pd2((C6H5)4P2CH2)2C2(CO2CH3)2I2
77590-29-5

Pd2((C6H5)4P2CH2)2C2(CO2CH3)2I2

A

Pd2I2(μ-bis(diphenylphosphino)methane)2
67477-87-6

Pd2I2(μ-bis(diphenylphosphino)methane)2

B

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
In dichloromethane Irradiation (UV/VIS); Exposure of a CH2Cl2-soln. to light from Hg lamp;;
1,3-bis(azidopropyl)tetramethyldisiloxane

1,3-bis(azidopropyl)tetramethyldisiloxane

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (2E)-2,3-diiodo-2-butenedioate
18434-84-9

dimethyl (2E)-2,3-diiodo-2-butenedioate

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide In nitrobenzene-d5 at 45℃; for 40h; Inert atmosphere; Darkness;
dimethyl 2,3-dibromobutane-1,4-dicarboxylate
51575-86-1

dimethyl 2,3-dibromobutane-1,4-dicarboxylate

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Conditions
ConditionsYield
With potassium hydroxide In ethanol for 4h; Time; Reflux;
N-Methylpyrrole
96-54-8

N-Methylpyrrole

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

1-methyl-1,7a-dihydro-indole-2,3,3a,4-tetracarboxylic acid tetramethyl ester
1444-11-7

1-methyl-1,7a-dihydro-indole-2,3,3a,4-tetracarboxylic acid tetramethyl ester

Conditions
ConditionsYield
In dichloromethane at 40℃; under 11250900 Torr; for 6h;100%
dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

hexamethyl benzenehexacarboxylate
6237-59-8

hexamethyl benzenehexacarboxylate

Conditions
ConditionsYield
[Rh(CO)Cl(1,2-bis(diphenylphosphino)ethane)] In tetrahydrofuran-d8 at 65℃; for 1h; cyclotrimerization;100%
With bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; (R)-(+)-2,2'-bis(diphenylphosphanyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl In dichloromethane at 20℃; for 1h;100%
Rh[C60(PhCH2)2Ph](cod) In 1,2-dichloro-benzene at 60℃; for 24h;99%
morpholine
110-91-8

morpholine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (Z)-2-(morpholino)-2-butenedioate
24432-42-6

dimethyl (Z)-2-(morpholino)-2-butenedioate

Conditions
ConditionsYield
at 20℃; for 0.05h; Michael addition;100%
at 100℃; for 3h;
With water; potassium carbonate at 20℃; stereoselective reaction;
p-toluidine
106-49-0

p-toluidine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (Z)-N-(4-methylphenyl)aminofumarate
24559-80-6

dimethyl (Z)-N-(4-methylphenyl)aminofumarate

Conditions
ConditionsYield
at 20℃; for 0.133333h; Michael addition;100%
In benzene at 5 - 10℃;70%
In diethyl ether
diethylamine
109-89-7

diethylamine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (2E)-2-(diethylamino)but-2-enedioate
996-85-0

dimethyl (2E)-2-(diethylamino)but-2-enedioate

Conditions
ConditionsYield
In water at 20℃; for 2h; Michael-type addition;100%
In diethyl ether
2-amino-phenol
95-55-6

2-amino-phenol

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(2Z)-[2-oxo-2H-1,4-benzoxazine-3(4H)-ylidene]acetic acid methyl ester
66628-73-7

(2Z)-[2-oxo-2H-1,4-benzoxazine-3(4H)-ylidene]acetic acid methyl ester

Conditions
ConditionsYield
at 20℃; for 0.0666667h; Michael addition;100%
In neat (no solvent) at 20℃; for 0.166667h; regioselective reaction;98%
In ethanol at 0℃; for 3h;94%
propylamine
107-10-8

propylamine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (Z)-2-(n-propylamino)fumarate
24559-78-2

dimethyl (Z)-2-(n-propylamino)fumarate

Conditions
ConditionsYield
at 20℃; for 0.05h; Michael addition;100%
In diethyl ether
dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

N-methylaniline
100-61-8

N-methylaniline

2-(methylphenylamino)but-2-enedioic acid dimethyl ester
125735-97-9

2-(methylphenylamino)but-2-enedioic acid dimethyl ester

Conditions
ConditionsYield
In water at 20℃; for 2h; Michael-type addition;100%
In water at 20℃;71%
In water at 0 - 20℃; for 2h;69%
In diethyl ether
piperidine
110-89-4

piperidine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

1,4-dimethyl (2E)-2-(piperidin-1-yl)but-2-enedioate
4596-77-4

1,4-dimethyl (2E)-2-(piperidin-1-yl)but-2-enedioate

Conditions
ConditionsYield
In water at 20℃; for 2h; Michael-type addition;100%
With silica gel for 0.0833333h; Neat (no solvent); optical yield given as %de; chemoselective reaction;82%
In 1,4-dioxane at 80℃; for 10h;60%
In diethyl ether
In diethyl ether at 0℃;
morpholine
110-91-8

morpholine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl α-morpholinomaleate
26138-59-0

dimethyl α-morpholinomaleate

Conditions
ConditionsYield
In water at 20℃; for 2h; Michael-type addition;100%
In diethyl ether for 24h; Ambient temperature;86%
With silica gel for 0.0833333h; Neat (no solvent); optical yield given as %de; chemoselective reaction;84%
In diethyl ether for 15h; Ambient temperature;70%
2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate
18063-93-9

dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate

Conditions
ConditionsYield
In 1,4-dioxane at 103℃;100%
In dichloromethane under 7500600 Torr; for 20h; Ambient temperature;95%
In 1,4-dioxane at 101℃; for 17.5h;81%
2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate
18063-93-9

dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate

Conditions
ConditionsYield
at 100℃; for 21h;100%
at 100℃; for 2h; Sealed tube;78%
In 1,4-dioxane at 100℃; for 24h; Diels-Alder reaction;
In toluene at 150℃; Diels-Alder reaction; Microwave irradiation;
(E)-2H-chromen-2-one oxime

(E)-2H-chromen-2-one oxime

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl (2H-<1>benzopyran-2-ylidenaminoxy)butenedioate

dimethyl (2H-<1>benzopyran-2-ylidenaminoxy)butenedioate

Conditions
ConditionsYield
With triethylamine In dichloromethane Ambient temperature;100%
1-methyl-cis-2-benzoyl-3-phenylaziridine
6476-40-0

1-methyl-cis-2-benzoyl-3-phenylaziridine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(E)-2-[((E)-1-Benzoyl-2-phenyl-vinyl)-methyl-amino]-but-2-enedioic acid dimethyl ester
113405-17-7

(E)-2-[((E)-1-Benzoyl-2-phenyl-vinyl)-methyl-amino]-but-2-enedioic acid dimethyl ester

Conditions
ConditionsYield
for 24h; Ambient temperature;100%
2-Hydroxy-4-methylanilin
2835-98-5

2-Hydroxy-4-methylanilin

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(Z)-3-methoxycarbonylmethylene-7-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one
104827-36-3

(Z)-3-methoxycarbonylmethylene-7-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one

Conditions
ConditionsYield
at 20℃; for 0.0333333h; Michael addition;100%
In ethanol at 0℃; for 3h;92%
In methanol Ambient temperature;88.89%
1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(Z)-methyl 2-(3-oxo-3,4-dihydroquinoxalin-2(1H)-ylidene)acetate
53700-46-2

(Z)-methyl 2-(3-oxo-3,4-dihydroquinoxalin-2(1H)-ylidene)acetate

Conditions
ConditionsYield
at 20℃; for 0.0166667h; Michael addition;100%
for 0.0833333h; microwave irradiation;90%
In methanol Heating;
at 20℃; for 0.0833333h; Milling;
3-amino-4-hydroxytoluene
95-84-1

3-amino-4-hydroxytoluene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

(Z)-3-methoxycarbonylmethylene-6-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one
70917-48-5

(Z)-3-methoxycarbonylmethylene-6-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one

Conditions
ConditionsYield
at 20℃; for 0.0333333h; Michael addition;100%
In ethanol at 0℃; for 3h;93%
In methanol Ambient temperature;92.27%
1,1-dimethoxyethylene
922-69-0

1,1-dimethoxyethylene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 3,3-dimethoxycyclobutene-1,2-dicarboxylate
142645-55-4

dimethyl 3,3-dimethoxycyclobutene-1,2-dicarboxylate

Conditions
ConditionsYield
In chloroform at 18℃; for 3h;100%
In toluene at 28 - 32℃; for 15h;93%
In acetonitrile at 18 - 22℃; for 3h;53%
hydrogen cyanide
74-90-8

hydrogen cyanide

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

hexamethyl benzenehexacarboxylate
6237-59-8

hexamethyl benzenehexacarboxylate

Conditions
ConditionsYield
With triphenyl phosphite; tetrakis(triphenylphosphite)nickel(0); zinc(II) chloride In toluene at 60℃; for 0.5h;100%
1,1-dimethoxy-propene
5634-52-6

1,1-dimethoxy-propene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

3,3-Dimethoxy-4-methyl-cyclobut-1-ene-1,2-dicarboxylic acid dimethyl ester
142645-56-5

3,3-Dimethoxy-4-methyl-cyclobut-1-ene-1,2-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In chloroform at 18℃; for 3h;100%
In acetonitrile at 18 - 22℃; for 3h; Product distribution; Mechanism; other solvents, other temperatures, other times, other acetylenic ester; other 1,1-dimethoxyalkenes;58%
In acetonitrile at 18 - 22℃; for 3h;58%
1,1-dimethoxy-but-1-ene
99115-93-2

1,1-dimethoxy-but-1-ene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

4-Ethyl-3,3-dimethoxy-cyclobut-1-ene-1,2-dicarboxylic acid dimethyl ester

4-Ethyl-3,3-dimethoxy-cyclobut-1-ene-1,2-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In chloroform at 18℃; for 3h;100%
tris(methylseleno)borane
29634-51-3

tris(methylseleno)borane

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

(Z)-2-Methylselanyl-but-2-enedioic acid dimethyl ester
132330-33-7

(Z)-2-Methylselanyl-but-2-enedioic acid dimethyl ester

B

(E)-2,3-Bis-methylselanyl-but-2-enedioic acid dimethyl ester
82849-75-0

(E)-2,3-Bis-methylselanyl-but-2-enedioic acid dimethyl ester

Conditions
ConditionsYield
In dichloromethane for 0.5h; Ambient temperature;A 100%
B n/a
In dichloromethane for 0.5h; Ambient temperature; Yields of byproduct given;A 75%
B n/a
Tris(phenylseleno)borane
29680-62-4

Tris(phenylseleno)borane

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Phenylselenoethylendicarbonsaeure-dimethylester
15642-80-5

Phenylselenoethylendicarbonsaeure-dimethylester

Conditions
ConditionsYield
In dichloromethane for 0.5h; Ambient temperature;100%
ethyl N-hydroxyiminobenzoate
2446-52-8

ethyl N-hydroxyiminobenzoate

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

ethyl O-(2'-ethoxycarbonylvinyl)-N-hydroxyiminobenzoate
139172-68-2

ethyl O-(2'-ethoxycarbonylvinyl)-N-hydroxyiminobenzoate

Conditions
ConditionsYield
With triethylamine In dichloromethane Ambient temperature;100%
2-(methylamino)-N'-(2-phenylacetyl)benzohydrazide
30907-73-4

2-(methylamino)-N'-(2-phenylacetyl)benzohydrazide

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

2-Methoxycarbonylmethyl-1-methyl-4-oxo-3-phenylacetylamino-1,2,3,4-tetrahydro-quinazoline-2-carboxylic acid methyl ester

2-Methoxycarbonylmethyl-1-methyl-4-oxo-3-phenylacetylamino-1,2,3,4-tetrahydro-quinazoline-2-carboxylic acid methyl ester

Conditions
ConditionsYield
In methanol for 2h; Heating;100%
<4.3.2>Propella-2,4,8-trien-7-one
124944-28-1

<4.3.2>Propella-2,4,8-trien-7-one

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

C17H16O5

C17H16O5

Conditions
ConditionsYield
at 80℃; for 12h;100%
1,3-dimethyl-4-(phenylsulfonyl)-4H-furo[3,4-b]indole
89241-38-3

1,3-dimethyl-4-(phenylsulfonyl)-4H-furo[3,4-b]indole

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

Dimethyl 1,4-Epoxy-1,4-dimethyl-1,4-dihydro-5-(phenylsulfonyl)-2,3-carbazoledicarboxylate
92399-38-7

Dimethyl 1,4-Epoxy-1,4-dimethyl-1,4-dihydro-5-(phenylsulfonyl)-2,3-carbazoledicarboxylate

Conditions
ConditionsYield
In benzene 1.) 1h, room temp., 2.) 5h, reflux;100%
3,4-di-tert-butyl-thiophene 1,1-dioxide
116375-45-2

3,4-di-tert-butyl-thiophene 1,1-dioxide

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

4,5-Di-tert-butyl-phthalic acid dimethyl ester
116375-46-3

4,5-Di-tert-butyl-phthalic acid dimethyl ester

Conditions
ConditionsYield
In 1,2-dichloro-benzene for 7h; Heating;100%
<4.3.2>propella-2,4,7,10-tetraene
4473-99-8

<4.3.2>propella-2,4,7,10-tetraene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

C17H16O4
131236-31-2

C17H16O4

Conditions
ConditionsYield
at 70℃; for 3h;100%
N-(diazoacetoacetyl)-N-phenyl-1-pyrrolidinecarboxamide
130935-28-3

N-(diazoacetoacetyl)-N-phenyl-1-pyrrolidinecarboxamide

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 2-acetyl-5-pyrrolidine-3,4-furandicarboxylate
130935-29-4

dimethyl 2-acetyl-5-pyrrolidine-3,4-furandicarboxylate

Conditions
ConditionsYield
rhodium(II) octanoate In benzene at 25℃; for 0.25h;100%
Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View