Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:4541-32-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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Min.Order:1 Gram
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inquiryWith 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
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Min.Order:1 Kilogram
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:4541-32-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2,2-DIMETHYLCYCLOPENTANONE CAS:4541-32-6 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
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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
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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
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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Min.Order:4 Kilogram
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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
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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
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Min.Order:10 Gram
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Type:Lab/Research institutions
inquiry2,2-DIMETHYLCYCLOPENTANONE Basic information Product Name: 2,2-DIMETHYLCYCLOPENTANONE Synonyms: 2,2-Dimethylcyclopentane-1-one;2,2-Dimethylcyclopentanone,97%;2,2-dimethylcyclopentan-1-one
Cas:4541-32-6
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiry2,2-DimethylcyclopentanoneAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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Cas:4541-32-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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
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Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Pharm intermediate
2,2-Dimethylcyclopentanone cas 4541-32-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:4541-32-6
Min.Order:0
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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
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Cas:4541-32-6
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry2,2-DIMETHYLCYCLOPENTANONE Basic information Product Name: 2,2-DIMETHYLCYCLOPENTANONE Synonyms: CYCLOPENTANONE, 2,2-DIMETHYL-;2,2-DIMETHYL-1-CYCLOPENT
Cas:4541-32-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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Min.Order:1 Kilogram
Negotiable
Type:Other
inquiry1)Abundant experiences for the exporting 2)Excellent quality to satisfy your request 3)Best price to lower your cost 4)Quick delivery as your special demand Package:As customer requests Application:Used as pharmaceutical intermediates Transp
Cas:4541-32-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryfactory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S
Cas:4541-32-6
Min.Order:0
Negotiable
Type:Trading Company
inquirysub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a
1-(trimethylsilyloxy)cyclopentene
methyl iodide
A
2-Methylcyclopentanone
B
2,2-dimethylcyclopentanone
C
cis-2,5-dimethylcyclopentanone
(+/-)-trans-2,5-dimethylcyclopentanone
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium; dimethyl zinc(II) In tetrahydrofuran at -78℃; for 10h; | A 98% B n/a C n/a D n/a |
With methyllithium In tetrahydrofuran at 0℃; for 3h; Further byproducts given; | A 79% B n/a C n/a D n/a |
5,5-dimethylcyclopent-2-enone
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol for 6h; Ambient temperature; | 96% |
With lithium tri(t-butoxy)aluminum hydride In tetrahydrofuran at -78℃; for 2h; | 66% |
1-(2-hydroxyprop-2-yl)cyclobutanol
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; for 1h; Rearrangement; | 93% |
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With acetic acid; zinc at 110℃; for 2h; | 92% |
5-iodo-2,2-dimethylpentanenitrile
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
Stage #1: 5-iodo-2,2-dimethylpentanenitrile With n-hexyllithium In tetrahydrofuran; hexane at -20 - -5℃; for 1.33333h; Stage #2: With oxalic acid In tetrahydrofuran; hexane; water at -5 - 20℃; | 81% |
With magnesium; ethylene dibromide In diethyl ether |
1-(trimethylsilyloxy)cyclopentene
methyl iodide
A
2-Methylcyclopentanone
B
2,2-dimethylcyclopentanone
C
2,2,5-trimethylcyclopentanone
D
cis-2,5-dimethylcyclopentanone
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran at 0℃; for 3h; Further byproducts given; | A 79% B n/a C n/a D n/a |
With methyllithium 1.) THF, 2.) 0 deg C, 3 h; Multistep reaction. Further byproducts given. Yields of byproduct given; |
1-(trimethylsilyloxy)cyclopentene
methyl iodide
A
2-Methylcyclopentanone
B
2,2-dimethylcyclopentanone
C
2,2,5-trimethylcyclopentanone
D
cis-2,5-dimethylcyclopentanone
(+/-)-trans-2,5-dimethylcyclopentanone
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran at 0℃; for 3h; Product distribution; var. temp., times, and reagent systems; other lithium enolates; | A 79% B n/a C n/a D n/a E n/a |
trans-1,2-dimethylcyclopentan-1,2-diol
1-(2-hydroxyprop-2-yl)cyclobutanol
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With phosphoric acid; phosphorus pentoxide at 45℃; for 0.166667h; Rearrangement; | 66% |
1-(1-Methyl-1-methylselanyl-ethyl)-cyclobutanol
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With potassium hydroxide; chloroform; N-benzyl-N,N,N-triethylammonium chloride In dichloromethane at 20℃; for 1h; | 63% |
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
bei langsamer Destillation; |
Conditions | Yield |
---|---|
With diethyl ether; sodium amide anschliessend Behandeln mit Methyljodid, zuletzt auf dem Dampfbad; |
Conditions | Yield |
---|---|
With thorium hydroxide at 280 - 290℃; | |
With barium dihydroxide at 285℃; |
cis-1,2-dimethyl-1,2-cyclopentanediol
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sulfuric acid | |
With D3+; oxygen; trimethylamine at 37.5℃; Product distribution; Irradiation; trans compound and various conditions investigated; |
rac-2,2-dimethylcyclopentanol
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With potassium permanganate at 20℃; Erwaermen des Reaktionsprodukts auf 50grad; | |
With chromium(VI) oxide; sulfuric acid In acetone |
Conditions | Yield |
---|---|
With sodium tert-pentoxide; dimethyl sulfate | |
In carbonic acid dimethyl ester |
2-Methylcyclopentanone
methyl iodide
A
2,2-dimethylcyclopentanone
B
2,5-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sodium amide |
Conditions | Yield |
---|---|
With hydrogenchloride; mercury; zinc | |
With titanium tetrachloride; lithium trimethylstannyl 1.) THF, 0 deg C, 15 min, 2.) CH2Cl2, -78 deg C, 15 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
(i) NaNH2, Et2O, (ii) H2SO4, AcOH; Multistep reaction; |
Conditions | Yield |
---|---|
With sodium tert-pentoxide In diethyl ether; benzene | |
With sodium tert-pentoxide In toluene at 20 - 35℃; for 28h; | 5.2 g |
2-<(n-butylthio)methylene>cyclopentanone
methyl iodide
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
(i) Li, liq. NH3, H2O, Et2O, (ii) /BRN= 969135/; Multistep reaction; |
Conditions | Yield |
---|---|
(PPh3)2Co(dppe) In acetonitrile; benzene at 70℃; for 3h; Yield given; |
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine 1.) hexane, THF, -78 deg C, 0.5 h, then 0 deg C, 3 h 2.) 3 h; Yield given. Multistep reaction; |
2-Methylcyclopentanone
methyl iodide
A
2,2-dimethylcyclopentanone
B
2,5-dimethylcyclopentanone
C
2,2,5-trimethylcyclopentanone
D
2,2,5,5-tetramethylcyclopentanone
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
2-Methylcyclopentanone
methyl iodide
A
2,2-dimethylcyclopentanone
B
2,5-dimethylcyclopentanone
C
2,4-dimethylcyclopentanone
Conditions | Yield |
---|---|
With (2-pyrr)2Mg electrogenerated base In N,N,N,N,N,N-hexamethylphosphoric triamide; 1,2-dimethoxyethane at -50℃; for 1.5h; Product distribution; other temperatures, time, recyclization; |
2-Methylcyclopentanone
methyl iodide
A
2,2-dimethylcyclopentanone
B
2,5-dimethylcyclopentanone
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With acetic anhydride |
Conditions | Yield |
---|---|
With potassium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane; water for 5h; Baeyer-Villiger Ketone Oxidation; Reflux; | 100% |
With trifluoroacetyl peroxide at 0℃; | 99% |
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0 - 20℃; for 18h; Baeyer-Villiger Ketone Oxidation; | 77% |
With dihydrogen peroxide; trifluoroacetic anhydride at 20℃; Baeyer-Villiger oxidation; | 67% |
With Mg10Al2(OH)24CO3; oxygen; benzaldehyde In 1,2-dichloro-ethane at 40℃; for 24h; | 61% |
2,2-dimethylcyclopentanone
(R)-1-phenyl-ethyl-amine
(R,E)-N-(2,2-dimethylcyclopentylidene)-1-phenylethanamine
Conditions | Yield |
---|---|
With titanium tetrachloride; triethylamine In dichloromethane at 20℃; for 16h; Cooling with ice; | 100% |
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sodium acetate In methanol Reflux; | 100% |
2,2-dimethylcyclopentanone
ketene t-butyldimethylsilyl methyl acetal
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethylcyclopentanone With bis(trifluoromethanesulfonyl)amide In diethyl ether at -78 - 23℃; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere; Stage #2: ketene t-butyldimethylsilyl methyl acetal In diethyl ether at -20℃; for 0.5h; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In toluene at 100℃; for 22h; | 97% |
In toluene at 100℃; for 22h; Temperature; | 97% |
trimethylsilyl cyanide
2,2-dimethylcyclopentanone
2,2-Dimethyl-1-trimethylsilanyloxy-cyclopentanecarbonitrile
Conditions | Yield |
---|---|
With zinc(II) iodide In benzene for 7.5h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
at 20 - 110℃; for 2.75h; Inert atmosphere; | 95% |
at 110℃; for 1h; Inert atmosphere; | 94% |
2,2-dimethylcyclopentanone
2-Trifluoromethylbenzaldehyde
5-[1-(2-trifluoromethylphenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 0 - 20℃; | 94% |
N,N-phenylbistrifluoromethane-sulfonimide
2,2-dimethylcyclopentanone
5,5-dimethylcyclopent-1-en-1-yl trifluoromethanesulfonate
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethylcyclopentanone With lithium diisopropyl amide In tetrahydrofuran; n-heptane at -78℃; for 1h; Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78℃; for 1h; | 92% |
Stage #1: 2,2-dimethylcyclopentanone With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.75h; Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran; hexane at -78 - 20℃; for 3h; | 50% |
Stage #1: 2,2-dimethylcyclopentanone With n-butyllithium; diisopropylamine In tetrahydrofuran at -78℃; for 3h; Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78℃; for 1h; | 28% |
2,2-dimethylcyclopentanone
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
Stage #1: N,N-dimethyl-formamide With trichlorophosphate In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere; Stage #2: 2,2-dimethylcyclopentanone In dichloromethane at 20 - 40℃; for 17h; Inert atmosphere; | 91.93% |
2,2-dimethylcyclopentanone
malononitrile
cyano (2,2-dimethylcyclopentylidene) acetonitrile
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid In toluene Heating / reflux; | 91% |
With piperidine; benzoic acid In benzene for 100h; Condensation; Heating; | 61% |
2,2-dimethylcyclopentanone
oxalic acid diethyl ester
ethyl 2-(3,3-dimethyl-2-oxo-cyclopentyl)-2-oxo-acetate
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethylcyclopentanone; oxalic acid diethyl ester With ethanol; sodium ethanolate; sodium hydride at 0 - 20℃; for 6.25h; Stage #2: With hydrogenchloride In ethanol; water at 0℃; | 90% |
With sodium ethanolate | |
In ethanol | |
With sodium ethanolate In ethanol at -15 - 20℃; Inert atmosphere; | 8.2 g |
With sodium ethanolate In ethanol at -15 - 20℃; Inert atmosphere; | 8.2 g |
2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethylcyclopentanone With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; pentane at 0℃; for 0.25h; Aldol Condensation; Inert atmosphere; Stage #2: 1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropane-1-carbaldehyde In tetrahydrofuran; N,N-dimethyl-formamide; pentane at 0℃; for 0.25h; Inert atmosphere; | 90% |
2,2-dimethylcyclopentanone
2,4-difluorobenzaldehyde
5-[1-(2,4-difluorophenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 0 - 20℃; | 88% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran; mineral oil for 24h; Reflux; | 88% |
With sodium hydride |
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; bis(1,5-cyclooctadiene)nickel (0) In methanol at 80℃; for 18h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube; | 87% |
2,2-dimethylcyclopentanone
rac-2,2-dimethylcyclopentanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 20℃; for 3h; | 86% |
With borane-THF; L-proline In tetrahydrofuran for 0.166667h; Reduction; | 78% |
With sodium tetrahydroborate In isopropyl alcohol at 25℃; for 20h; Kinetics; |
2,2-dimethylcyclopentanone
2-Iodobenzyl bromide
Conditions | Yield |
---|---|
Stage #1: 2,2-dimethylcyclopentanone With N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Schlenk technique; Inert atmosphere; Stage #2: 2-Iodobenzyl bromide In tetrahydrofuran; hexane at -78 - 0℃; for 1.5h; Schlenk technique; Inert atmosphere; | 85% |
2,2-dimethylcyclopentanone
benzaldehyde
(E)-2-benzylidene-5,5-dimethylcyclopentanone
Conditions | Yield |
---|---|
With sodium methylate In methanol for 16h; Ambient temperature; | 84% |
Conditions | Yield |
---|---|
Stage #1: 2,3-dihydro-2H-furan With tert.-butyl lithium In tetrahydrofuran; pentane at -78 - 0℃; for 1h; Stage #2: 2,2-dimethylcyclopentanone In tetrahydrofuran; pentane at -78 - 20℃; for 6h; Stage #3: With Dowex-50X In dichloromethane at 20℃; for 24h; Further stages.; | 81% |
2,2-dimethylcyclopentanone
(R)-2,2-dimethylcyclopentan-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran for 1h; in air; | 80% |
Stage #1: 2,2-dimethylcyclopentanone With (4R,5R)-2-phenyl-1,3,2-dioxaborolane-4,5-dicarboxylic acid In tetrahydrofuran for 0.25h; Cooling with ice; Stage #2: With sodium tetrahydroborate In tetrahydrofuran for 2h; optical yield given as %ee; | 80% |
With (+)-diiso-2-ethylapophosphate pinacylboraneheptane In ethyl acetate at -25℃; for 24h; | 68% |
With diisopinocamphenylchloroborane Yield given; | |
With Octanethiol; 2,4-dinitrobenzenesulfonic acid; (2S,4S)-pentane-2,4-diol In benzene for 1.5h; Reflux; optical yield given as %ee; | 36 %Spectr. |
2,2-dimethylcyclopentanone
carbonic acid dimethyl ester
methyl 3,3-dimethyl-2-oxocyclopentyl-1-carboxylate
Conditions | Yield |
---|---|
With sodium hydride In methanol at 82℃; for 5h; | 79.5% |
Conditions | Yield |
---|---|
With pyridine at 20℃; for 18h; Inert atmosphere; | 79% |
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