申请人:——
公开号:US20010008902A1
公开(公告)日:2001-07-19
Improved process of compounds of formula III
1
in which
A denotes CH═CH or S
W denotes O
X denotes S, O or NR
2
in which the residue R
2
is hydrogen or C
1
-C
6
alkyl,
Y denotes CH or N
R denotes naphthyl, thienyl or phenyl which is optionally monosubstituted or disubstituted with C
1
-C
3
alkyl, CF
3
, C
1
-C
3
alkoxy, F, Cl or bromine,
R
1
denotes hydrogen or C
1
-C
6
alkyl and
n denotes
1
-
3
by reducing a compound of the general formula IV,
2
,2
in which A, W, X, Y, R, R
1
and n have the meanings stated above
with activated aluminium in a protic solvent,
as well as new compounds of formula III and pharmaceutical preparations containing these compounds.
改进了III1式化合物的制备方法,其中A表示CH═CH或SW表示OX,其中OX表示S、O或NR2,残基R2为氢或C1-C6烷基,Y表示CH或NR,NR表示萘基、噻吩基或苯基,可选地单取代或双取代于C1-C3烷基、CF3、C1-C3烷氧基、F、Cl或溴基,R1表示氢或C1-C6烷基,n表示1-3,通过在质子溶剂中使用活性铝还原式IV,其中A、W、X、Y、R、R1和n具有上述含义,以及III式新化合物和含有这些化合物的制药制剂。