Chemical process 632

Details Chemical process 632 Chemical process 632

2010-02-15

2011-12-13

Wilson, James O (Department: 1624)

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C548S953000

Reexamination Certificate

active

08076481

ABSTRACT:
A process for preparing pharmaceutically active compounds of formula (I) or a salt thereofwherein R1, n, m, R3, R6, X1, X2, X3and X4are as defined in the specification, is described. Novel intermediates are also described and claimed.

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