申请人:Zambon S.p.A.
公开号:US05105009A1
公开(公告)日:1992-04-14
Intermediates of Formula ##STR1## where R is a methylthio, methylsulfoxy, methylsulfonyl or a nitro group; and X1 is hydrogen, 1-6 C alkyl, 1-6 C haloalkyl, 3-6 C cycloalkyl, phenyl or phenylalkyl(1-6C), where the phenyl ring may be substituted by one or two halogen, 1-3 C alkyl, 1-3 C alkoxy or nitro; or X1 together with X2 is an oxygen atom or an alkylene having from two to five Carbon atoms; or X1 together with X2 and R4 is a chain of formula ##STR2## where p is 3 or 4 and q is 1 or 2; and X2 is hydrogen, 1-6 C alkyl, 1-6 C haloalkyl, 3-6 C cycloalkyl or phenyl which may be substituted by one or two halogen, 1-3 C alkyl, 1-3 C alkoxy or nitro; or X2 together with R4 is ##STR3## where n is 1 or 2; m is 0 or 1; X is hydrogen, halogen, 1-3 C alkyl, 1-3 C alkoxy or nitro; and X3 is hydrogen or --CO--R4 where R4 is hydrogen, 1-6 alkyl, 1-6 C haloalkyl, 3-6 C cycloalkyl, phenylalkyl(1-6C) or phenyl where the phenyl ring may be substituted by one or two halogen, 1-3 alkyl, 1-3 alkoxy or nitro; and X4 is --OH, fluorine, OCOAlkyl(1-4C), --O--trialkyl(1-6C)silyl, --O--tetrahydropyranyl, --O--tetrahydrofuranyl or --O--SO.sub.2 R.sub.6 where R6 is methyl, trifluoromethyl, phenyl or p-methyl-phenylprovided, however, that X4 is not OH when R is a nitro group; for the preparation of 1-(phenyl)-1-hydroxy-2-amino-3-fluoropropane derivatives.
公式 ##STR1## 中间体,其中R是甲硫基,甲硫氧基,甲基磺酰基或硝基基团;X1是氢,1-6个碳原子的烷基,1-6个碳原子的卤代烷基,3-6个碳原子的环烷基,苯基或苯基烷基(1-6个碳原子),其中苯环可以被一个或两个卤素,1-3个碳原子的烷基,1-3个碳原子的烷氧基或硝基取代;或者X1与X2一起是一个氧原子或一个碳原子数从2到5的烷基;或者X1与X2和R4一起是一个公式 ##STR2## 的链,其中p为3或4,q为1或2;X2是氢,1-6个碳原子的烷基,1-6个碳原子的卤代烷基,3-6个碳原子的环烷基或苯基,其中苯环可以被一个或两个卤素,1-3个碳原子的烷基,1-3个碳原子的烷氧基或硝基取代;或者X2与R4一起是 ##STR3## 其中n为1或2;m为0或1;X为氢,卤素,1-3个碳原子的烷基,1-3个碳原子的烷氧基或硝基;X3是氢或--CO--R4,其中R4是氢,1-6个烷基,1-6个碳原子的卤代烷基,3-6个碳原子的环烷基,苯基烷基(1-6个碳原子)或苯基,其中苯环可以被一个或两个卤素,1-3个碳原子的烷基,1-3个碳原子的烷氧基或硝基取代;X4是--OH,氟,OCOAlkyl(1-4C),--O--trialkyl(1-6C)硅烷基,--O--四氢吡喃基,--O--四氢呋喃基或--O--SO.sub.2 R.sub.6,其中R6是甲基,三氟甲基,苯基或对甲基苯基,但是当R是硝基基团时,X4不是OH;用于制备1-(苯基)-1-羟基-2-氨基-3-氟丙烷衍生物。