Substituted biphenyl derivatives, method for preparing same and pharmaceutical compositions containing same

摘要

The invention relates to compound of formula (I): wherein: B represents hydrogen, COOR, CONRR', or (C1-C6)alkyl substituted by COOR, CONRR', or OR, G1 represents -X'-(CH2)n-X-(CH2)m-X''-chain wherein X, X', X'', n and m are as defined in the description, Cy represents a grouping of formula (II) or (III): G2 represents alkylene chain as defined in the description, and A represents NRCOR', NRCSR', CONRR', CSNRR', NRCONR'R'', or NRCSNR'R'', and medicinal products containing the same which are useful in treating or preventing melatoninergic disorders.