Phosphorous acid derivatives as intermediates in the preparation of hals derivatives
申请人:Clariant Finance (BVI) Limited
公开号:EP0822198A1
公开(公告)日:1998-02-04
A compound of formula (I) to (III)
in which the symbols R to R6 are organic radicals. These compounds can be used as intermediates in the production of a phosphite-HALS product.