abstract |
R1 represents: a (C1-C7) alkyl; unsubstituted or substituted (C3-C7) cycloalkyl; a (C3-C7) cycloalkylmethyl which is unsubstituted or substituted one or more times on the carbocycle; unsubstituted or mono-, di- or tri-substituted phenyl; unsubstituted or mono- or disubstituted benzyl; an indolyl; R2 represents a hydrogen atom or a (C1-C3) alkyl; - R3 represents a (C1-C5) alkyl or a (C3-C7) cycloalkyl; - R4 represents an unsubstituted phenyl or mono-, di or trisubstituted; R 5 is unsubstituted or mono-, di- or trisubstituted phenyl; R 6 is hydrogen or (C 1 -C 3) alkyl; n is 0, 1 or 2; a (C1-C4) alkyl.Procedure of preparation and application in therapy. |