Cyclopentanecarboxylic acid, 2-methyl-5-(1-methylethylidene)-, ethyl ester, (2R)- (9CI) synthesis

5synthesis methods

Product Name:Cyclopentanecarboxylic acid, 2-methyl-5-(1-methylethylidene)-, ethyl ester, (2R)- (9CI)
CAS Number:623935-92-2
Molecular formula:C12H20O2
Molecular Weight:196.29

64-17-5 Synthesis

64-17-5
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89-82-7 Synthesis

89-82-7
216 suppliers
$12.00/250mg

Cyclopentanecarboxylic acid, 2-methyl-5-(1-methylethylidene)-, ethyl ester, (2R)- (9CI)

623935-92-2
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Yield:623935-92-2 90%

Reaction Conditions:

Stage #1: pulegonewith bromine;sodium hydrogencarbonate in diethyl ether at -10; for 2.16667 h;Inert atmosphere;
Stage #2: ethanolwith sodium in diethyl ether at 55; for 5 h;Inert atmosphere;

References:

Shen, Yang;Li, Linbin;Xiao, Xiaoxia;Yang, Sihan;Hua, Yuhui;Wang, Yinglu;Zhang, Yun-Wu;Zhang, Yandong [Journal of the American Chemical Society,2021,vol. 143,# 8,p. 3256 - 3263] Location in patent:supporting information

89-82-7 Synthesis

89-82-7
216 suppliers
$12.00/250mg

141-52-6 Synthesis