Processes for producing a (1.alpha., 4.alpha., 5.alpha.)-6,6-dimethyl-4-halo-substituted-methyl-3-oxabicyclo[3.1.0]hexan- 2-one and its novel intermediates from known and inexpensive starting materials are described and exemplified.
本文描述并且示范了从已知和廉价的起始材料中生产(1.alpha., 4.alpha., 5.alpha.)-6,6-二甲基-4-卤代取代甲基-3-氧代
双环[3.1.0]己烷-2-酮及其新型中间体的过程。