Azetidine derivatives, their preparation and medicaments containing them
申请人:——
公开号:US20020035102A1
公开(公告)日:2002-03-21
The invention concerns compounds of formula (1) wherein: R represents a chain (A) or (B); R
1
is methyl or ethyl; R
2
is either an optionally substituted aromatic or an optionally substituted heteroaromatic ring; R
3
and R
4
, identical or different, are either an optionally substituted aromatic or an optionally substituted heteroaromatic ring; R′ represents a hydrogen atom or a —CO—alk radical, their optical isomers, their salts, their preparation and medicines containing them.
1