申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20030195379A1
公开(公告)日:2003-10-16
Disclosed are a method of producing p-hydroxyphenylalkanol of formula.(I):
1
wherein R
1
and R
2
independently represent hydrogen, an alkyl or a phenyl which may be substituted with an alkyl, or the like, R
3
, R
4
, R
5
, R
6
and R
7
independently represent hydrogen, an alkyl or the like and n denotes an integer from 0 to 7, the method being characterized in that a phenol compound of formula (II):
2
wherein R
1
and R
2
respectively represent the aforementioned meaning, is reactedwith an unsaturated alcohol of formula (III):
R
3
R
4
C=C(R
5
)-C(R
6
)(R
7
)-(CH
2
)
n
-OH (III)
wherein R
3
, R
4
, R
5
, R
6
, R
7
and n respectively represent the same as defined above, in the presence of (A) at least one compound selected from the group consisting of alkali metals, alkali metal compounds, alkaline earth metals and alkaline earth metal compounds and (B) at least one compound selected from the group consisting of transition metals and transition metal compounds, and the like.
公开了一种制备式(I)的对羟基苯基醇的方法,其中R1和R2分别独立表示氢、烷基或苯基,可以用烷基或类似物取代,R3、R4、R5、R6和R7分别独立表示氢、烷基或类似物,n表示0至7的整数。该方法的特征在于,在(A)碱金属、碱金属化合物、碱土金属和碱土金属化合物组成的群体中选择至少一种化合物,以及在(B)过渡金属和过渡金属化合物组成的群体中选择至少一种化合物的存在下,将式(II)的酚化合物与式(III)的不饱和醇反应:R3R4C=C(R5)-C(R6)(R7)-(CH2)n-OH(III),其中R3、R4、R5、R6、R7和n分别表示上述定义的相同物。