申请人:——
公开号:US20010007911A1
公开(公告)日:2001-07-12
The invention relates to a process for preparing N-acylglycine derivatives of the formula (III)
1
where
R is hydrogen, a carboxyl group, a saturated, straight-chain, branched or cyclic (C
1
-C
10
)alkyl radical, a monounsaturated or polyunsaturated, straight-chain, branched or cyclic (C
2
-C
10
)alkenyl radical, a (C
6
-C
18
)aryl radical, a (C
6
-C
18
)heteroaryl radical, a (C
1
-C
10
)alkyl-(C
6
-C
18
)aryl radical, a (C
1
-C
10
)alkyl-(C
6
-C
18
)heteroaryl radical or a monounsaturated or polyunsaturated (C
2
-C
10
)alkenyl-(C
6
-C
18
)aryl radical, where one or more radicals —CH
2
— can be replaced by C═O or —O—,
R′ is hydrogen, a saturated, straight-chain, branched or cyclic (C
1
-C
26
)alkyl radical, a monounsaturated or polyunsaturated, straight-chain, branched or cyclic (C
2
-C
24
)alkenyl radical, a (C
6
-C
18
)aryl radical, a (C
1
-C
10
)alkyl-(C
6
-C
18
)aryl radical or a monounsaturated or polyunsaturated (C
2
-C
10
)alkenyl-(C
6
-C
18
)aryl radical
and
R″ is hydrogen, a saturated, straight-chain, branched or cyclic (C
1
-C
26
)alkyl radical, a monounsaturated or polyunsaturated, straight-chain, branched or cyclic (C
2
-C
23
)alkenyl radical, a (C
6
-C
18
)aryl radical, a (C
1
-C
10
)alkyl-(C
6
-C
18
)aryl radical or a monounsaturated or polyunsaturated (C
2
-C
10
)alkenyl-(C
6
-C
18
)aryl radical,
where R, R′ and R″ may be substituted,
which comprises carbonylating a carboxamide of the formula (II)
2
where R′ and R″ are as defined above, together with an aldehyde of the formula RCHO, where R is as defined above, in the presence of a solvent and a mixture of a palladium compound, an ionic halide and an acid as catalyst at a temperature of 20-200° C. and a CO pressure of 1-150 bar.
本发明涉及一种制备式 (III) N-酰基甘氨酸衍生物的工艺
1
其中
R 是氢、羧基、饱和的直链、支链或环状(C
1
-C
10
)烷基,单不饱和或多不饱和、直链、支链或环状 (C 1 -C 10)
2
-C
10
)烯基、(C
6
-C
18
)芳基、一个(C
6
-C
18
)杂芳基、一个(C
1
-C
10
)烷基-(C
6
-C
18
)芳基、(C
1
-C
10
烷基-(C
6
-C
18
)杂芳基或单不饱和或多不饱和(C
2
-C
10
)烯基-(C
6
-C
18
)芳基,其中一个或多个基 -CH
2
- 可由 C═O 或 -O- 取代、
R′ 是氢、饱和、直链、支链或环状(C
1
-C
26
)烷基,单不饱和或多不饱和、直链、支链或环状 (C 1 -C 26)
2
-C
24
)烯基、(C
6
-C
18
)芳基、一个(C
1
-C
10
烷基-(C
6
-C
18
)芳基或单不饱和或多不饱和(C
2
-C
10
)烯基-(C
6
-C
18
)芳基
和
R″ 是氢、饱和、直链、支链或环状 (C
1
-C
26
)烷基,单不饱和或多不饱和、直链、支链或环状 (C 1 -C 26)
2
-C
23
)烯基
6
-C
18
)芳基、一个(C
1
-C
10
烷基-(C
6
-C
18
)芳基或单不饱和或多不饱和(C
2
-C
10
)烯基-(C
6
-C
18
)芳基、
其中 R、R′ 和 R″ 可被取代、
其中包括羰基化式 (II) 的羧酰胺
2
其中 R′和 R″如上定义,连同式 RCHO 的醛,其中 R 如上定义,在溶剂和钯化合物、离子卤化物和酸的混合物作为催化剂存在下,在 20-200 摄氏度的温度和 1-150 巴的 CO 压力下进行。