C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/04 (2006.01) C07B 53/00 (2006.01) C07B 61/00 (2006.01)
Patent
CA 2462860
This invention provides a process for the stereospecific preparation of 2-yl- chroman and-chromene derivatives of the formula (I). These compounds are useful for the preparation of optically active 2-aminomethyl- and 2- azaheterocyclylmethyl-chromans.
Procédé de préparation stéréospécifique de dérivés de 2-yle-chromane et de 2-yle-chromène de formule (I). Ces composés sont utiles pour la préparation de 2-aminométhyle-chromanes et de 2-azahétérocyclylméthyle-chromanes optiquement actifs.
Torys Llp
Wyeth
LandOfFree
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