1-Cyclopentene-1-carboxylic acid, 3-oxo- (9CI)

Base Information

• Chemical Name: 1-Cyclopentene-1-carboxylic acid, 3-oxo- (9CI)
• CAS No.: 108384-36-7
• Molecular Formula: C6H6 O3
• Molecular Weight: 126.11004
• Hs Code.: 2918300090
• Mol file: 108384-36-7.mol

Synonyms:3-Oxo-1-cyclopentene-1-carboxylicacid

Chemical Property of 1-Cyclopentene-1-carboxylic acid, 3-oxo- (9CI)

Chemical Property:

• Vapor Pressure: 0.00114mmHg at 25°C
• Refractive Index: 1.564
• Boiling Point: 278.6°C at 760 mmHg
• Flash Point: 136.5°C
• PSA: 54.37000
• Density: 1.42g/cm³
• LogP: 0.36030
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

98%min ^*data from raw suppliers

3-Oxocyclopent-1-enecarboxylic acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Cyclopentene-1-carboxylic acid, 3-oxo- (9CI)

There total 1 articles about 1-Cyclopentene-1-carboxylic acid, 3-oxo- (9CI) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 50.0%

methyl 3-oxocyclopent-1-enecarboxylate (108384-35-6) → cyclopentene (2)-1-one-3 methylcarboxylate (108384-36-7,196496-02-3)

Guidance literature:

With sodium carbonate; In water; for 1.66667h;

DOI:10.1016/S0040-4020(01)87320-8

Reference yield: 65.0%

(-)-menthol (2216-51-5) + cyclopentene (2)-1-one-3 methylcarboxylate (108384-36-7,196496-02-3) → cyclopentene (2)-1-one-3 <(-) (1R, 2S, 5R)-2-isopropyl-5-methylcyclohexyl>-carboxylate (108384-37-8)

Guidance literature:

With oxalyl dichloride; 1.) -20 deg C , DMF, acetonitrile, 15 min., 2.) pyridine, room temperature;

DOI:10.1016/S0040-4020(01)87320-8

Reference yield: 45.0%

cyclopentene (2)-1-one-3 methylcarboxylate (108384-36-7,196496-02-3) + (-)-(1R,2S,3R,4S)-2-Benzyloxy-3-bornanol (104154-98-5) → cyclopentene (2)-1-one-3-<(-) (1R, 2S, 3R, 4S)-2-benzyloxy-3-bornyl> carboxylate (108384-40-3)

Guidance literature:

With oxalyl dichloride; 1.) -20 deg C , DMF, acetonitrile, 15 min., 2.) pyridine, room temperature;

DOI:10.1016/S0040-4020(01)87320-8

upstream raw materials:

methyl 3-oxocyclopent-1-enecarboxylate

Downstream raw materials:

cyclopentene (2)-1-one-3 <(-) (1R, 2S, 5R)-2-isopropyl-5-methylcyclohexyl>-carboxylate

cyclopentene (2)-1-one-3-<(-) (1R, 2S, 3R, 4S)-2-benzyloxy-3-bornyl> carboxylate

(-)-(S)-3-oxocyclopentanecarboxylic acid

(S)-3-Hydroxy-cyclopentanecarboxylic acid

Refernces

• 1、 Herzog, Heinz,Koch, Hartmut,Scharf, Hans-Dieter,Runsink, Jan. "CHIRAL INDUCTION IN PHOTOCHEMICAL REACTIONS-V. REGIO- AND DIASTEREOSELECTIVITY IN THE PHOTOCHEMICAL CYCLOADDITION OF CHIRAL CYCLENONE-3-CARBOXYLATE WITH 1,1'-DIETHOXYETHENE". . p. 3547 - 3558. Retrieved 2007/10/02.