申请人:Shell Oil Company
公开号:US04324915A1
公开(公告)日:1982-04-13
Novel pyrethroid intermediates ##STR1## wherein R.sup.1 and R.sup.2 each is alkyl are prepared by treating 2,2-dimethyl-3-(2-oxopropyl)cyclopropylacetaldehyde with a trialkylsilyldialkylamine. The above compounds can be treated with ozone to form 2,2-dimethyl-3-(2-oxopropyl)cyclopropanecarbaldehyde.
新型拟除虫菊酯中间体##STR1##其中R.sup.1和R.sup.2均为烷基,通过将2,2-二甲基-3-(2-氧代丙基)环丙基乙醛与三烷基硅基二烷基胺处理而制备。上述化合物可与臭氧反应,形成2,2-二甲基-3-(2-氧代丙基)环丙烷甲醛。