Items Standard Result Description Colorless to yellow liquid Pass Assay,GC ≥98%
Cas:762-42-5
Min.Order:1 Gram
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Type:Trading Company
inquiryWelcome 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
Cas:762-42-5
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inquiryThe 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
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Cas:762-42-5
Min.Order:1 Gram
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Type:Manufacturers
inquiryAs 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:762-42-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryTIANFUCHEM--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
Cas:762-42-5
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
inquiryWITH 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry1.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
Cas:762-42-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $81.0 / 84.0
Type:Trading Company
inquiryDimethyl 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
Cas:762-42-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:762-42-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHenan 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
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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $11.0 / 15.0
Type:Lab/Research institutions
inquiryOur 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiryOur 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
Cas:762-42-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou 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
Cas:762-42-5
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryJ&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
Cas:762-42-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive 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
Cas:762-42-5
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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
Cas:762-42-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior 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
Cas:762-42-5
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryProduct 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
Cas:762-42-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct 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,
Cas:762-42-5
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:762-42-5
Min.Order:0
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Type:Trading Company
inquiryDimethyl 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
Cas:762-42-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu 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
Cas:762-42-5
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryCHANGZHOU 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
Cas:762-42-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryShandong 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
Cas:762-42-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With zinc In tetrahydrofuran for 2h; Heating; | 93% |
With zinc In tetrahydrofuran for 2h; Heating; Yield given; |
A
bis(cyclopentadienyl)vanadium dichloride
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With chlorine In tetrachloromethane | A 68% B 37% |
With Cl2 In tetrachloromethane | A 68% B 37% |
3-methoxycarbonyl-5-pyrazolinone
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene In methanol 1.) -23 deg C, 45 min; 2.) rt, 1 h; | 59% |
dimethyl 2-oxo-3-triphenylphosphoranylidenebutanedioate
A
dimethyl acetylenedicarboxylate
B
Triphenylphosphine oxide
Conditions | Yield |
---|---|
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
methanol
A
dimethyl acetylenedicarboxylate
B
3-phenyl-4,5-dihydro-1H-1,2,4-triazole-5-thione
Conditions | Yield |
---|---|
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
A
Maleinaldehydsaeure-methylester
B
cyclohexanone
C
dimethyl acetylenedicarboxylate
D
(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester
Conditions | Yield |
---|---|
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
A
cyclohexanone
B
dimethyl acetylenedicarboxylate
C
(Z)-anti-methyl 4-(hydroxyimino)but-2-enoate
D
(Z)-4-[(E)-Hydroxyimino]-but-2-enoic acid methyl ester
Conditions | Yield |
---|---|
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
A
dimethyl heptalene-4,5-dicarboxylate
B
dimethyl acetylenedicarboxylate
C
azulene
Conditions | Yield |
---|---|
In (2)H8-toluene at 60℃; under 750.06 Torr; for 30h; thermolyse, other pressure; |
2-(2-thienyl)-4,5-dimethoxycarbonyl-1,3-dithiole
methyl iodide
A
thiophene-2-carbodithioic acid methyl ester
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With n-butyllithium 1) 2 h -30 deg C THF hexane, 2) 2 h; Multistep reaction; |
Conditions | Yield |
---|---|
With base |
methanol
dibromomaleic acid
A
dimethyl acetylenedicarboxylate
B
dimethylfumarate
C
Dimethyl succinate
Conditions | Yield |
---|---|
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
meso-2,3-dibromosuccinic acid
A
dimethyl acetylenedicarboxylate
B
dimethylfumarate
C
Dimethyl succinate
Conditions | Yield |
---|---|
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
A
2-(2-chlorophenyl)furan
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With hydrogenchloride; water In dichloromethane for 24h; Product distribution; Further Variations:; Reagents; Solvents; Temperatures; retro-Diels-Alder reaction; Heating; |
Conditions | Yield |
---|---|
With sulfuric acid at 25℃; | |
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide; 1,2-dichloro-ethane |
methanol
sulfuric acid
Acetylenedicarboxylic acid
A
2-methoxyfumaric acid
B
2-methoxy-2-butenedioic acid dimethyl ester
C
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
Veresterung; |
tetrakis(2-bromobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In (2)H8-toluene N2, NMR tube, T: 213 - 293 K; (1)H NMR spectroscopy; |
tetrakis(2-chlorobenzoato)bis(dimethyl acetylenedicarboxylate)tetracopper(I)
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In (2)H8-toluene N2, NMR tube, T: 213 - 293 K; (1)H NMR spectroscopy; |
tetrakisbenzoatobis(dimethyl acetylenedicarboxylate)tetracopper(I)
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In (2)H8-toluene N2, NMR tube, T: 213 - 298 K; (1)H NMR spectroscopy; |
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In toluene heating in toluene at 110°C; alkyne detected by NMR; |
Pd2((C6H5)4P2CH2)2C2(CO2CH3)2I2
A
Pd2I2(μ-bis(diphenylphosphino)methane)2
B
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In dichloromethane Irradiation (UV/VIS); Exposure of a CH2Cl2-soln. to light from Hg lamp;; |
dimethyl acetylenedicarboxylate
dimethyl (2E)-2,3-diiodo-2-butenedioate
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide In nitrobenzene-d5 at 45℃; for 40h; Inert atmosphere; Darkness; |
dimethyl 2,3-dibromobutane-1,4-dicarboxylate
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol for 4h; Time; Reflux; |
N-Methylpyrrole
dimethyl acetylenedicarboxylate
1-methyl-1,7a-dihydro-indole-2,3,3a,4-tetracarboxylic acid tetramethyl ester
Conditions | Yield |
---|---|
In dichloromethane at 40℃; under 11250900 Torr; for 6h; | 100% |
Conditions | Yield |
---|---|
[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
dimethyl acetylenedicarboxylate
dimethyl (Z)-2-(morpholino)-2-butenedioate
Conditions | Yield |
---|---|
at 20℃; for 0.05h; Michael addition; | 100% |
at 100℃; for 3h; | |
With water; potassium carbonate at 20℃; stereoselective reaction; |
p-toluidine
dimethyl acetylenedicarboxylate
dimethyl (Z)-N-(4-methylphenyl)aminofumarate
Conditions | Yield |
---|---|
at 20℃; for 0.133333h; Michael addition; | 100% |
In benzene at 5 - 10℃; | 70% |
In diethyl ether |
diethylamine
dimethyl acetylenedicarboxylate
dimethyl (2E)-2-(diethylamino)but-2-enedioate
Conditions | Yield |
---|---|
In water at 20℃; for 2h; Michael-type addition; | 100% |
In diethyl ether |
2-amino-phenol
dimethyl acetylenedicarboxylate
(2Z)-[2-oxo-2H-1,4-benzoxazine-3(4H)-ylidene]acetic acid methyl ester
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
dimethyl (Z)-2-(n-propylamino)fumarate
Conditions | Yield |
---|---|
at 20℃; for 0.05h; Michael addition; | 100% |
In diethyl ether |
dimethyl acetylenedicarboxylate
N-methylaniline
2-(methylphenylamino)but-2-enedioic acid dimethyl ester
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
1,4-dimethyl (2E)-2-(piperidin-1-yl)but-2-enedioate
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
dimethyl α-morpholinomaleate
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
dimethyl 1,4-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate
Conditions | Yield |
---|---|
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; |
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Ambient temperature; | 100% |
1-methyl-cis-2-benzoyl-3-phenylaziridine
dimethyl acetylenedicarboxylate
(E)-2-[((E)-1-Benzoyl-2-phenyl-vinyl)-methyl-amino]-but-2-enedioic acid dimethyl ester
Conditions | Yield |
---|---|
for 24h; Ambient temperature; | 100% |
2-Hydroxy-4-methylanilin
dimethyl acetylenedicarboxylate
(Z)-3-methoxycarbonylmethylene-7-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
(Z)-methyl 2-(3-oxo-3,4-dihydroquinoxalin-2(1H)-ylidene)acetate
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
(Z)-3-methoxycarbonylmethylene-6-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-one
Conditions | Yield |
---|---|
at 20℃; for 0.0333333h; Michael addition; | 100% |
In ethanol at 0℃; for 3h; | 93% |
In methanol Ambient temperature; | 92.27% |
1,1-dimethoxyethylene
dimethyl acetylenedicarboxylate
dimethyl 3,3-dimethoxycyclobutene-1,2-dicarboxylate
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
hexamethyl benzenehexacarboxylate
Conditions | Yield |
---|---|
With triphenyl phosphite; tetrakis(triphenylphosphite)nickel(0); zinc(II) chloride In toluene at 60℃; for 0.5h; | 100% |
1,1-dimethoxy-propene
dimethyl acetylenedicarboxylate
3,3-Dimethoxy-4-methyl-cyclobut-1-ene-1,2-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In chloroform at 18℃; for 3h; | 100% |
tris(methylseleno)borane
dimethyl acetylenedicarboxylate
A
(Z)-2-Methylselanyl-but-2-enedioic acid dimethyl ester
B
(E)-2,3-Bis-methylselanyl-but-2-enedioic acid dimethyl ester
Conditions | Yield |
---|---|
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
dimethyl acetylenedicarboxylate
Phenylselenoethylendicarbonsaeure-dimethylester
Conditions | Yield |
---|---|
In dichloromethane for 0.5h; Ambient temperature; | 100% |
ethyl N-hydroxyiminobenzoate
dimethyl acetylenedicarboxylate
ethyl O-(2'-ethoxycarbonylvinyl)-N-hydroxyiminobenzoate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Ambient temperature; | 100% |
2-(methylamino)-N'-(2-phenylacetyl)benzohydrazide
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In methanol for 2h; Heating; | 100% |
Conditions | Yield |
---|---|
at 80℃; for 12h; | 100% |
1,3-dimethyl-4-(phenylsulfonyl)-4H-furo[3,4-b]indole
dimethyl acetylenedicarboxylate
Dimethyl 1,4-Epoxy-1,4-dimethyl-1,4-dihydro-5-(phenylsulfonyl)-2,3-carbazoledicarboxylate
Conditions | Yield |
---|---|
In benzene 1.) 1h, room temp., 2.) 5h, reflux; | 100% |
3,4-di-tert-butyl-thiophene 1,1-dioxide
dimethyl acetylenedicarboxylate
4,5-Di-tert-butyl-phthalic acid dimethyl ester
Conditions | Yield |
---|---|
In 1,2-dichloro-benzene for 7h; Heating; | 100% |
<4.3.2>propella-2,4,7,10-tetraene
dimethyl acetylenedicarboxylate
C17H16O4
Conditions | Yield |
---|---|
at 70℃; for 3h; | 100% |
N-(diazoacetoacetyl)-N-phenyl-1-pyrrolidinecarboxamide
dimethyl acetylenedicarboxylate
dimethyl 2-acetyl-5-pyrrolidine-3,4-furandicarboxylate
Conditions | Yield |
---|---|
rhodium(II) octanoate In benzene at 25℃; for 0.25h; | 100% |
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