申请人:FANDRICK DANIEL R.
公开号:US20110130567A1
公开(公告)日:2011-06-02
A process for stereoselective synthesis of a compound of Formula (X)
wherein:
R
1
is an aryl group substituted with one to three substituent groups,
wherein each substituent group of R
1
is independently C
1
-C
5
alkyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, halogen, carboxy, cyano, or trifluoromethyl,
wherein each substituent group of R
1
is optionally independently substituted with one to three substituents selected from C
1
-C
3
alkyl, C
1
-C
3
alkoxy, phenyl, and alkoxyphenyl;
R
2
and R
3
are each independently C
1
-C
5
alkyl;
R
4
is C
1
-C
5
alkyl optionally independently substituted with one to three substituent groups,
wherein each substituent group of R
4
is independently C
1
-C
3
alkyl, hydroxy, halogen, amino, or oxo; and
R
5
is a heteroaryl group substituted with one to three substituent groups,
wherein each substituent group of R
5
is independently C
1
-C
5
alkyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylsulfonylamino, aminosulfonyl, C
1
-C
5
alkylaminosulfonyl, C
1
-C
5
dialkylaminosulfonyl, halogen, hydroxy, carboxy, cyano, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, or C
1
-C
5
alkylthio wherein the sulfur atom is optionally oxidized to a sulfoxide or sulfone.
一种对映选择性合成化合物X的方法,其中:R1是带有一到三个取代基的芳基基团,其中R1的每个取代基团是独立的C1-C5烷基,氨基甲酰基,烷基氨基甲酰基,二烷基氨基甲酰基,卤素,羧基,氰基或三氟甲基,其中R1的每个取代基团可以选择性地独立地被C1-C3烷基,C1-C3烷氧基,苯基和烷氧基苯基中的一到三个取代基取代;R2和R3各自独立地是C1-C5烷基;R4是C1-C5烷基,可以选择性地独立地带有一到三个取代基团,其中R4的每个取代基团是独立的C1-C3烷基,羟基,卤素,氨基或氧代基,R5是带有一到三个取代基的杂环芳基基团,其中R5的每个取代基团是独立的C1-C5烷基,氨基甲酰基,烷基氨基甲酰基,二烷基氨基甲酰基,烷基磺酰胺基,氨基磺酰基,C1-C5烷基氨基磺酰基,C1-C5二烷基氨基磺酰基,卤素,羟基,羧基,氰基,三氟甲基,三氟甲氧基,三氟甲硫基或C1-C5烷基硫基,其中硫原子可以选择性地氧化为亚硫酸盐或磺酸盐。