Process for preparing 1,2-diamino compounds

Details Process for preparing 1,2-diamino compounds Process for preparing 1,2-diamino compounds

2006-10-17

2006-10-17

McKenzie, Thomas (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S437000, C549S513000, C560S126000, C564S475000

Reexamination Certificate

active

07122684

ABSTRACT:
The invention provides a multi-step process for preparing 1,2-diamino compounds of formulawherein R1, R1′, R2, R2′, R3and R4have the meaning given in the specification and pharmaceutically acceptable addition salts thereof, from 1,2-epoxides of formulawherein R1, R1′, R2and R2′have the meaning given in the specification.

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