申请人:Ciba Specialty Chemicals Corporation
公开号:US06503937B1
公开(公告)日:2003-01-07
Oxobenzofuranylidene-dihydroindolones of formulae trans-(Ia) and cis-(Ib)
and of formulae trans-(IIa) and cis-(IIb)
wherein
A1 and A2 are each independently of the other unsubstituted or mono- to tetra-substituted ortho-C6-C18arylene, and R1 is hydrogen or an organic radical, with the proviso that when R1 is hydrogen and A2 is 1,2-phenylene, A1 is not 9,10-anthraquinon-1,2-ylene, 4-chloro-3,5-dimethyl-1,2-phenylene or 3,5-dimethyl-1,2-phenylene, processes for their preparation and the use thereof.
氧苯并呋喃亚甲基二氢吲哚酮的结构式trans-(Ia)和cis-(Ib),以及结构式trans-(IIa)和cis-(IIb),其中A1和A2分别独立地为未取代或单至四取代的邻位C6-C18芳基,R1为氢或有机基团,条件是当R1为氢且A2为1,2-苯基时,A1不是9,10-蒽醌-1,2-亚基,4-氯-3,5-二甲基-1,2-苯基或3,5-二甲基-1,2-苯基,其制备方法及用途。