Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2011-04-05
2011-04-05
Morris, Patricia L (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07919627
ABSTRACT:
The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 A1. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia):
REFERENCES:
patent: 7135573 (2006-11-01), Kim et al.
patent: 7189704 (2007-03-01), Niu et al.
patent: 7273853 (2007-09-01), Or et al.
patent: 7384922 (2008-06-01), Wang et al.
patent: 7538225 (2009-05-01), Tang et al.
patent: 2007/0244160 (2007-10-01), Or et al.
patent: 2008/0262208 (2008-10-01), Wang et al.
Kim Hee-jin
Or Yat Sun
Qiu Yao-Ling
Tang Datong
Wang Zhe
Elmore Carolyn S.
Elmore Patent Law Group PC
Enanta Pharmaceuticals, Inc.
Harlan Edgar W.
Morris Patricia L
LandOfFree
Processes for the preparation of hydroxylamines does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Processes for the preparation of hydroxylamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for the preparation of hydroxylamines will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2647141