| 摘要 |
PCT No. PCT/EP97/02058 Sec. 371 Date Oct. 26, 1998 Sec. 102(e) Date Oct. 26, 1998 PCT Filed Apr. 23, 1997 PCT Pub. No. WO97/42227 PCT Pub. Date Nov. 13, 1997Compounds of formula (I), wherein X is CH, C-CH3, C-Cl, C-O-C1-C8alkyl or N; R is C1-C6alkyl, benzyl, CH2COOR3 or a group (a); R1 is C1-C8alkoxy, C1-C12alkyl, halogen, NO2, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C1-C6alkoxy, C1-C12alkyl, halogen or CF3; R2 is C1-C8alkoxy, C1-C12alkyl, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C1-C6alkoxy, C1-C12alkyl, halogen or CF3; R3 is hydrogen, C1-C12alkyl or benzyl; Y is unsubstituted or C1-C6 alkoxy-substituted C1-C6alkyl, or Y is C1-C6alkoxy, halogen, CF3, NO2, benzyloxy or phenyloxy, wherein the phenyl ring in the benzyloxy or phenyloxy group is unsubstituted or substituted by C1-C6alkoxy, C1-C12alkyl, halogen or CF3 or, if n is two and both Y are alkoxy, these alkoxy groups may form a dioxane or dioxane fused to the phenyl of the styril residue; n is 1 to 4, preferably 1; and L is an anion; are useful as photoinitiators, especially in combination with borate anions. |
