Efficient synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07579472

ABSTRACT:
A novel process and intermediates thereof for making 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones of the type shown below from appropriate phenyl hydrazines is described.These compounds can be useful as factor Xa inhibitors.

REFERENCES:
patent: 6919451 (2005-07-01), Zhou et al.
patent: 6967208 (2005-11-01), Pinto et al.
patent: 6989391 (2006-01-01), Pinto et al.
patent: 6995172 (2006-02-01), Pinto et al.
patent: 7005435 (2006-02-01), Pinto et al.
patent: 7153960 (2006-12-01), Zhou et al.
patent: 2003/0181466 (2003-09-01), Zhou et al.
patent: 2005/0261287 (2005-11-01), Pinto et al.
patent: 2005/0267097 (2005-12-01), Pinto et al.
patent: 2006/0069085 (2006-03-01), Zhang et al.
patent: 2006/0069258 (2006-03-01), Shapiro et al.
patent: 2006/0069260 (2006-03-01), Zhang et al.
patent: WO03026652 (2003-04-01), None
patent: WO03049681 (2003-06-01), None
patent: WO2006036927 (2006-04-01), None
Pinto et al., Journal of Medicinal Chemistry (2007), 50(22), 5339-5356.
Klapars et al., “A General and Efficient Copper Catalyst for the Amidation of Aryl Halides”, J. Am. Chem. Soc. 2002, vol. 124, pp. 7421-7428.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Efficient synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Efficient synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Efficient synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4052594

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.