Aminoalcohol derivatives

Details Aminoalcohol derivatives Aminoalcohol derivatives

C - Chemistry, Metallurgy

07

C

C07C 271/28 (2006.01) A61K 31/27 (2006.01) A61P 1/00 (2006.01)

Patent

CA 2400860

A compound of the formula [Ig]; wherein R1 is hydrogen or an amino protective group, R2 is hydrogen or hydroxy, and R3 and R4 are independently N-methyl- methoxycarbonylamino, N-ethyl-methoxycarbonylamino, N-propyl- methoxycarbonylamino or 3-ethylureid, or R3 and R4 are both methoxycarbonylamino substituted at a meta position of the benzene rings, or a salt thereof, and (2S)-1-phenoxy-3-[3,3-bis[4-methoxycarbonylamino)- phenyl]propylamino]-2-propanol sulfate (2:1) and some crystal forms thereof as .beta.3adrenergic receptor agonists.

L'invention porte sur un composé de formule [Ig]; dans laquelle R?1¿ est H ou un groupe protecteur amino, R?2¿ est H ou hydroxy, et R?3¿ et R?4¿ sont indépendamment N-méthyl-méthoxycarbonylamino, N-éthyl-méthoxycarbonylamino, N-propyl-méthoxycarbonylamino ou 3-éthylureide, ou R?3¿ et R?4¿ sont tous deux méthoxycarbonylamino substitué en une position méta des cycles benzéniques ou l'un de leurs sels, et sur le sulfate (2:1) de (2S)-1-phénoxy-3-[3,3-bis[4-méthoxycarbonylamino)-phényl]propylamino]-2-propanol, et certains de leurs formes cristallines, et qui servent d'agonistes du récepteur adrénergique .beta.¿3?.

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