Invention Application
US20120077993A1 SPIRO EPOXIDES AS INTERMEDIATES 失效
SPIRO环氧化物作为中间体

SPIRO EPOXIDES AS INTERMEDIATES
Abstract:
The present invention provides compounds of formula (I) wherein the substituents are as defined in claim 1. The compounds are suitable intermediates in the preparation of herbicidally active 4-phenyl-3,5-pyrandiones, 4-phenyl-3,5-thiopyran-diones and 6-phenylcyclohexane-1,3,5-triones.
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