| 摘要 |
NEW MATERIAL:The compound of formula I [R is (halogen or lower alkyl- substituted) phenyl or benzyl or 1-10C alkyl]. EXAMPLE:2-( S )-[ 1'-( S )-hydroxybenzyl ]-3-(R)-phenylthio-4-( S )-pentanolide of formula II. USE:A physiologically active compound useful as an antibacterial, bactericidal or insecticidal agent, etc., and its synthetic intermediate. PREPARATION:beta-Angelica lactone of formula III is made to react with an aldehyde of formula R-CHO and lithium thiophenoxide of formula IV preferably in an inert gas atmosphere such as nitrogen, argon, etc.
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