申请人:——
公开号:US20020026049A1
公开(公告)日:2002-02-28
Compounds of the formula I
1
in which Ar is a group
2
or unsubstituted or substituted cyclopentyl, cyclohexyl, naphthyl, biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; R
1
and R
2
are C
1
-C
20
alkyl, OR
11
, CF
3
or halogen; R
3
, R
4
and R
5
are hydrogen, C
1
-C
20
alkyl, OR
11
or halogen; R
6
is unsubstituted or substituted C
1
-C
24
alkyl, C
2
-C
24
alkyl, which is interrupted by O, S or NR
14
and is unsubstituted or substituted; C
2
-C
24
alkenyl, uninterrupted or interrupted by O, S or NR
14
and unsubstituted or substituted; unsubstituted or substituted C
7
-C
24
arylalkyl; C
4
-C
24
cycloalkyl, uninterrupted or interrupted by O, S and/or NR
14
; or C
8
-C
24
arylcycloalkyl; R
11
is C
1
-C
20
alkyl, C
3
-C
8
cycloalkyl, phenyl, benzyl or C
2
-C
20
alkyl, interrupted by O or S and unsubstituted or substituted; R
12
and R
13
are hydrogen, C
1
-C
20
alkyl, C
3
-C
8
cycloalkyl, phenyl, benzyl or C
2
-C
20
alkyl, interrupted by O atoms and unsubstituted or substituted; or R
12
and R
13
together are C
3
-C
5
alkylene, uninterrupted or interrupted by O, S or NR
14
; R
14
is hydrogen, phenyl, C
1
-C
12
alkyl or C
2
-C
12
alkyl, interrupted by O or S and unsubstituted or substituted; and M is hydrogen, Li, Na or K; are valuable intermediates for the preparation of unsymmetrical bisacylphosphine oxides and monoacylphosphine oxides.
式 I 的化合物
1
其中 Ar 为基团
2
或未取代或取代的环戊基、环己基、
萘基、
联苯基或含 O、S 或 N 的 5 或 6 元杂环; R
1
和 R
2
是 C
1
-C
20
烷基、OR
11
、CF
3
或卤素
3
, R
4
和 R
5
为氢、C
1
-C
20
烷基、OR
11
或卤素
6
是未取代或取代的 C
1
-C
24
烷基、C
2
-C
24
烷基,其间被 O、S 或 NR
14
且未被取代或被取代; C
2
-C
24
烯基,未被O、S或NR
14
未取代或取代的 C
7
-C
24
芳烷基
4
-C
24
环烷基,不间断或被 O、S 和/或 NR
14
或 C
8
-C
24
芳环烷基; R
11
是 C
1
-C
20
烷基、C
3
-C
8
环烷基、苯基、苄基或 C
2
-C
20
烷基,被 O 或 S 中断,未取代或取代; R
12
和 R
13
是氢、C
1
-C
20
烷基、C
3
-C
8
环烷基、苯基、苄基或 C
2
-C
20
烷基,被 O 原子打断,未取代或取代;或 R
12
和 R
13
共同为 C
3
-C
5
烯,未被 O、S 或 NR 中断或中断
14
; R
14
是氢、苯基、C
1
-C
12
烷基或 C
2
-C
12
烷基,由 O 或 S 中断,未取代或取代;以及 M 为氢、Li、Na 或 K;是制备非对称双酰基膦氧化物和单酰基膦氧化物的重要中间体。