C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 229/48 (2006.01) C07C 209/14 (2006.01) C07C 209/16 (2006.01) C07C 209/60 (2006.01) C07C 227/08 (2006.01) C07C 317/48 (2006.01)
Patent
CA 2310714
The invention provides a multistep process for preparing 1,2-diamino compounds of formula (SEE FORMULA I) wherein R1, R1', R2, R2', R3 and R4 have the meaning given in the specification and pharmaceutically acceptable addition salts thereof, from 1,2-epoxides of formula (SEE FORMULA II) wherein R1, R1', R2 and R2' have the meaning given in the specification.
Karpf Martin
Trussardi Rene
F. Hoffmann-La Roche Ag
Gowling Lafleur Henderson Llp
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