Processes for preparing pyrazolo[3,4-d]pyrimidine ethers

Organic compounds -- part of the class 532-570 series – Organic compounds – Pteroyl per se or having -c- – wherein x is chalcogen – bonded...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C548S371700

Reexamination Certificate

active

07425630

ABSTRACT:
The present invention relates to processes for preparing pyrazolo[3,4-d]pyrimidine ether compounds that are modulators of glucose metabolism and therefore useful in the treatment of metabolic disorders such as diabetes and obesity.

REFERENCES:
patent: 6660744 (2003-12-01), Hirst et al.
patent: 7132426 (2006-11-01), Jones et al.
patent: 2002/0156081 (2002-10-01), Hirst et al.
patent: 2005/0209251 (2005-09-01), Linker et al.
patent: 0053678 (1981-10-01), None
patent: 0 050 671 (1982-05-01), None
patent: 0 123 402 (1984-10-01), None
patent: 0 526 004 (1993-02-01), None
patent: 0772087 (1997-07-01), None
patent: WO 81/03174 (1981-11-01), None
patent: WO03093269 (2003-11-01), None
patent: WO2004009602 (2004-01-01), None
patent: WO2005007658 (2004-07-01), None
patent: WO2006050946 (2006-05-01), None
Cheng et al., “Potential purine antagonists. VI. Synthesis of 1-alky- ans 1-ary-4substituted pyrazolo[3,4-d]pyrimidines”, Journal of Organic Chemistry, vol. 21:1240-56 (1956).
Cheng et al., “Potential purine antagonists. XII. Synthesis of 1-alkyl(aryl)-4,6-disubstituted pyrazolo[3,4-d]pyrimidines”, Journal of Organic Chemistry, vol. 23:852-61 (1957).
Markwalder et al., “Synthesis and biological evaluation of 1-aryl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-4-one inhibitors of cyclin-dependent kinases”, J. Med. Chem., vol. 47:5894-911 (2004).
Mitsunobu, Oyo, “The Use of diethyl azodicarboxylate and triphenylphosphine in synthesis and transformation of natural products”, Synthesis, Jan. 1981 pp. 1-28.
Peat et al., “Novel pyrazolopyrimidine derivatives as GSK-3 inhibitors”, Bioorganic & Medicinal Chemistry Letters 14:2121-5 (2004).
International Search Report for PCT/US2006/001020 (2006).
Bol'v, et al., “A new synthetic approach to fused pyrimidin-4-ones”, Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanskaya str. 5, Kiev, 02094, Ukrain; Abstract only http://conf.iflab.kiev.ua/eng/reports/show/?id=348.
Kolosov et al., “the interaction between 4-phenyl-5-acetyl-6-methyl-3,4-dihydroprimidine-2-one and 4-brombenzaldehyde”, Institute of Organic Chemistry, Kharkiv, National V.N.Karazin University, Ukraine, 61077, Kharkiv-007, Svobody sq., 4; Abstract only at http://conf.iflab.kiev.ua/eng.reports/show/?id=926.
Niementowski,J. Prakitka Chem., [2] “Synthesen von Chinazolinverbindugen” (1895), 51, 564-572.
3rdParty Opposition Filed by the Asociacion de Laboratorios Famaceuticos (ALAFAR) in Corresponding Ecuadorian Patent Appln. No. 07-7589, 5 pgs.

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

Processes for preparing pyrazolo[3,4-d]pyrimidine ethers 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 preparing pyrazolo[3,4-d]pyrimidine ethers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for preparing pyrazolo[3,4-d]pyrimidine ethers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3970371

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