申请人:Bayer MaterialScience AG
公开号:US07994169B2
公开(公告)日:2011-08-09
The present invention relates to 3,4-diaminopyridine derivatives of formula (I)
wherein
R1 and R2 are, independently of each other, electron donors, wherein R2 is optionally H; and
R3, R4, R5, and R6 are, independently of each other, H, optionally substituted straight-chain or branched alkyl, alkenyl, alkynyl, alkoxyl, or aryl, wherein R3 and/or R4 together with R5 and/or R6, optionally define a ring;
processes for their preparation, and their use as catalysts.
本发明涉及式(I)的3,4-二氨基吡啶衍生物
其中,
R1和R2是电子给体,可独立地为H,其中R2可选为H;
R3、R4、R5和R6是H,可选取代的直链或支链烷基,烯基,炔基,烷氧基或芳基,其中R3和/或R4与R5和/或R6一起,可选地定义一个环;
其制备过程以及其作为催化剂的用途。