Process for the preparation of imidazolyl macrolide...

Details Process for the preparation of imidazolyl macrolide... Process for the preparation of imidazolyl macrolide...

C - Chemistry, Metallurgy

07

H

C07H 19/01 (2006.01) A61K 31/70 (2006.01) C07D 405/04 (2006.01)

Patent

CA 2229718

Imidazolmethyloxy-substituted tricyclo-macrolide immunosuppressants are prepared by reacting a tricyclo-macrolide with an imidazolmethyl trichloroacetimidate in the presence of an acid. The invention further provides a crystalline salt of imidazolmethyloxy-substituted tricyclo- macrolide, as well as novel compounds useful in the process of the present invention.

L'invention se rapporte à un procédé de préparation d'immunosuppresseurs tricyclo-macrolides à base d'imidazolméthyloxy substitué qui consiste à faire réagir un tricyclo-macrolide avec un trichloroacétimidate d'imidazolméthyle trichloroacétimidate en présence d'un acide. L'invention se rapporte également à un sel cristallin de tricyclo-macrolide imidazolméthyloxy substitué ainsi qu'à de nouveaux composés utiles au procédé de la présente invention.

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