C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/10 (2006.01) A61K 31/44 (2006.01) C07D 213/73 (2006.01) C07D 213/75 (2006.01) C07D 405/12 (2006.01)
Patent
CA 2285914
The instant invention relates to intermediates of Formula II, (see above formula II) wherein R1, R2 and R3 are as defined in the specification, and to processes for preparing such intermediates. This invention also relates to processes for preparing compounds of Formula III, (see above formula III) and enantiomers thereof, wherein R2, R3 and R4 are as defined in the specification. Compounds of Formula II and Formula III are intermediates in the preparation of a potent .beta.3 adrenergic receptor agonist. The instant invention also relates to processes for preparing the .beta.3 adrenergic receptor agonist using the compounds of Formula II and Formula III.
Devries Keith Michael
Raggon Jeffrey William
Shanker Ravi Mysore
Urban Frank John
Vanderplas Brian Clement
Pfizer Products Inc.
Smart & Biggar
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