Substituted cyclic compounds, preparation method and pharmaceutical compositions containing them
申请人:——
公开号:US20040002490A1
公开(公告)日:2004-01-01
The invention concerns compounds of formula (I): R-A-R′ wherein: A is as defined in the description; R represent a group (V), (VI), (VII), or (VIII), where E, Q, R
1
, R
2
, R
3
, v and R
4
are as defined in the description; R′ represents a —(CH
2
)
t
—R
5
group wherein t and R
5
are as defined in the description, and medicaments containing the same.
1
o-N-acetyltryptamine) have been synthesized and evaluated as melatonin receptor ligands. Introduction of a methoxycarbonylamino substituent in the C-5 position of the benzofurane nucleus obtains MT(3) selective ligands. This selectivity can be modulated with suitable variations of the C-5 position and the acyl group on the C-3 side chain.