Methods for the synthesis of chemical compounds having PDE-IV in

Details Methods for the synthesis of chemical compounds having PDE-IV in Methods for the synthesis of chemical compounds having PDE-IV in

1996-06-06

1999-01-26

Berch, Mark L.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544277, 544264, 544265, C07D47334, C07D47322, C07D47340

Patent

active

058640371

ABSTRACT:
Disclosed is a process for the preparation of a compound of Formula IV having the structure: ##STR1## wherein R.sub.6 is N(R.sub.6a)(R.sub.6b);

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