申请人:Rudolph Jens
公开号:US20100240896A1
公开(公告)日:2010-09-23
The present invention relates to a process for the hydroformylation of compounds of the formula (I),
where X is C, P(R
x
), P(O—R
x
) S or S(═O), where R
x
is H, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; A is a divalent bridging group having from 1 to 4 bridging atoms; and R
1
is H, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; or salts thereof;
in which the compound of the formula (I) is reacted with carbon monoxide and hydrogen in the presence of a catalyst comprising a complex of a metal of transition group VIII with a compound of the formula (II),
where Pn is a pnicogen atom; W is a divalent bridging group having from 1 to 8 bridging atoms; R
2
is a functional group capable of forming an intermolecular, noncovalent bond with the group —X(═O)OH; R
3
, R
4
are each alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; a, b, c are each 0 or 1; and Y
1
, Y
2
and Y
3
are each O, S, NR
a
or SiR
b
R
c
;
and also compounds of the formula (II.a),
where W′ is a divalent bridging group having from 1 to 5 bridging atoms between the flanking bonds, Z is O, S, S(═O), S(═O)
2
, N(R
IX
) or C(R
IX
)(R
X
); and R
I
to R
X
are each, independently of one another, H, halogen, nitro, cyano, amino, alkyl, etc.; or two radicals R
I
, R
II
, R
IV
, R
VI
, R
VIII
and R
IX
together represent the second part of a double bond.
本发明涉及一种用于羰基化化合物的方法,其中该化合物的化学式为(I),其中X为C,P(Rx),P(O—Rx)、S或S(═O),其中Rx为H,烷基,环烷基,杂环烷基,芳基或杂芳基;A为具有1至4个桥接原子的二价桥接基团;R1为H,烷基,烯基,炔基,环烷基,杂环烷基,芳基或杂芳基;或其盐;其中在存在与化合物的化学式(I)反应的催化剂的条件下,将化合物的化学式(I)与一氧化碳和氢反应,所述催化剂包括过渡金属VIII族元素与化学式(II)的化合物的配合物,其中Pn为一个五价元素原子;W为具有1至8个桥接原子的二价桥接基团;R2是能够与基团—X(═O)OH形成分子间非共价键的官能团;R3、R4分别为烷基,环烷基,杂环烷基,芳基或杂芳基;a、b、c分别为0或1;Y1、Y2和Y3分别为O、S、NRa或SiRbRc;以及化学式(II.a)的化合物,其中W′为具有1至5个桥接原子的二价桥接基团,Z为O、S、S(═O)、S(═O)2、N(RIX)或C(RIX)(RX);RI到RX分别独立地为H,卤素,硝基,氰基,氨基,烷基等;或两个基团RI、RII、RIV、RVI、RVIII和RIX共同表示双键的第二部分。