3,5-Dicyano-1,4-dihydropyridines underwent ring contraction to give functionalized cyclopentadienes upon treatment with trifluoroacetic anhydride.
3,5-二氰基-1,4-二氢吡啶经三氟乙酸酐处理后发生环收缩,得到官能化的环戊二烯。
1,4-Dihydropyridine charge control agents for electrostatographic toners and developers
申请人:EASTMAN KODAK COMPANY
公开号:EP1109070A2
公开(公告)日:2001-06-20
A charge control agent is disclosed selected from the group consisting of 1,4-dihydropyridines having the following general structure:
where R1, R2, R3, R4, R5, X, and Z are defined in the specification. These compounds are useful in electrostatographic toners and developers.
本发明公开了一种电荷控制剂,它选自具有以下一般结构的 1,4-二氢吡啶类:
其中 R1、R2、R3、R4、R5、X 和 Z 的定义见说明书。这些化合物适用于电致发光调色剂和显影剂。
O'Callaghan, Conor N.; McMurry, T. Brian H., Journal of Chemical Research, Miniprint, 1990, # 3, p. 601 - 619
作者:O'Callaghan, Conor N.、McMurry, T. Brian H.
DOI:——
日期:——
ZANDERSONS A. Z.; LUSIS V. K.; MUTSENIETSE D. X.; DUBUR G. YA., XIMIYA GETEROTSIKL. SOED.,(1987) N 1, 81-85
作者:ZANDERSONS A. Z.、 LUSIS V. K.、 MUTSENIETSE D. X.、 DUBUR G. YA.
DOI:——
日期:——
Mechanism and products of electrochemical reduction of 4-nitrophenyl-2,6-dimethyl-3,5-dicyano-1,4-dihydropyridines in dimethylformamide
作者:L. Kh. Baumane、Ya. P. Stradyn'、R. A. Gavar、A. P. Gaukhman、G. Ya. Dubur