发明名称 |
Yellow DIR coupler with 5-furyl(1,2,4-triazole) coupling off group |
摘要 |
Yellow DIR couplers corresponding to formula I below are capable of producing remarkably powerful inhibitory effects on remote layers while their action on the layer containing them is comparatively slight: <IMAGE> (I) In the above formula, R1 represents straight-chained or branched alkyl, optionally substituted aryl or -NR5R6, R2, R5 represent H or alkyl with 1 or 2 carbon atoms, R3, R6 represent alkyl with 1 to 18 carbon atoms or optionally substituted aryl, R4 represents alkyl with 5 to 12 carbon atoms, and Fu represents a substituted or unsubstituted furyl group.
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申请公布号 |
US4579816(A) |
申请公布日期 |
1986.04.01 |
申请号 |
US19850754652 |
申请日期 |
1985.07.15 |
申请人 |
AGFA-GEVAERT AKTIENGESELLSCHAFT |
发明人 |
OEHLSCHLAEGER, HANS;GRIESEL, ULRICH;ODENWAELDER, HEINRICH |
分类号 |
C07D405/04;C07D249/14;C07D407/04;G03C7/305;G03C7/32;(IPC1-7):G03C1/40;G03C7/36 |
主分类号 |
C07D405/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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