申请人:DOW TECHNOLOGY INVESTMENTS LLC
公开号:US20150328628A1
公开(公告)日:2015-11-19
A process for the hydroformylation of ethylene, with a transition metal, e.g., rhodium, catalyst promoted with a bidentate ligand of Formula I, II or III in which each R
1
-R
24
are independently a hydrogen, a hydrocarbyl group, an aromatic ring, a heteroaromatic ring or a halogen atom, or a heterocarbyl group. X
1
is CH
2
or O, while X
2
is O or C(R
25
)
2
, where each R
25
may be the same or different and is a hydrogen, a cycloaliphatic group, an aromatic ring, a heteroaromatic ring or a halogen atom, or a heterocarbyl group, wherein two R
25
groups may combine in a fused ring, and Y is a pyrrole group bound via the nitrogen atom to phosphorus, wherein each pyrrole group may bear multiple substituents selected from among the groups alkyl, alkoxy, acyl, carboxyl, carboxylate, cyano, —SO
3
H, sulfonate, amino, trifluoromethyl and halogen.
一种用过渡金属(例如铑)催化剂促进的双齿配体(化学式I、II或III)的乙烯氢甲酰化过程,其中每个R1-R24独立地是氢、烃基团、芳香环、杂芳环或卤素原子,或者是杂烃基团。X1为CH2或O,而X2为O或C(R25)2,其中每个R25可能相同或不同,是氢、环烷基团、芳香环、杂芳环或卤素原子,或者是杂烃基团,其中两个R25基团可以结合成融合环,Y是通过氮原子与磷结合的吡咯基团,其中每个吡咯基团可以带有多个取代基,取代基可选择自烷基、烷氧基、酰基、羧基、羧酸盐、氰基、—SO3H、磺酸盐、氨基、三氟甲基和卤素等基团。