Easy Large Scale Syntheses of 2,6-DI-t-Butyl- 7-Cyano-, 7-Carboxy-and7-Methoxycarbonyl Quinone Methides
摘要:
Easy large scale syntheses of 2, 6-di-t-butyl-7-cyano-, 7-carboxy- and 7-methoxycarbonyl quinone methides 1-3 using cheap and readily available starting materials have been developed.
7-substituted quinone methides as inhibitors for unsaturated monomers
申请人:Ciba-Geigy Corporation
公开号:US05583247A1
公开(公告)日:1996-12-10
Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storage by the incorporation therein of an effective stabilizing amount of a 7-substituted quinone methide compound.