The Journal of Organic Chemistry

Electrooxidative cleavage of carbon-carbon bonds. 2. Double cleavage of. alpha.,. beta.-epoxy alkanones and enantiospecific syntheses of chiral methyl trans-and cis- …

S Torii, T Inokuchi, R Oi

Index: Torii, Sigeru; Inokuchi, Tsutomu; Oi, Ryu Journal of Organic Chemistry, 1983 , vol. 48, # 12 p. 1944 - 1951

Full Text: HTML

Citation Number: 32

Abstract

The stereospecific synthesis of chiral methyl trans-and cis-chryaanthematee (1 and 26) from (+)-and (-)-camones (7a, b) is described. Methyl (3R)-and (3S)-3-(l-chloro-l-methylethyl)-5- oxohexanoates (3) and methyl (3s)-and (3R)-3-(l-chloro-l-methylethyl)-5, 5- dimethoxypentanoates (4) are key intermediates in the preparation of 1 and 26 via I-ladone 2. Electrochemical cleavage of 5-(l-chlor~ l-methylethyl)-2, 3-epoxy-2, 3-d~ e~ yl~ clohe~-l ...