Process for preparing 2-aminothiazole-5-aromatic...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C544S295000

Reexamination Certificate

active

07491725

ABSTRACT:
The invention relates to processes for preparing compounds having the formula,and crystalline forms thereof, wherein Ar is aryl or heteroaryl, L is an optional alkylene linker, and R2, R3, R4, and R5, are as defined in the specification herein, which compounds are useful as kinase inhibitors, in particular, inhibitors of protein tyrosine kinase and p38 kinase.

REFERENCES:
patent: 3547917 (1970-12-01), Kulka et al.
patent: 5114940 (1992-05-01), Blade et al.
patent: 6596746 (2003-07-01), Das et al.
patent: 2004/0024208 (2004-02-01), Das et al.
patent: 2004/0054186 (2004-03-01), Das et al.
patent: 2004/0073026 (2004-04-01), Das et al.
patent: 2004/0077875 (2004-04-01), Das et al.
patent: 2004/0220233 (2004-11-01), Hynes et al.
patent: 2005/0009891 (2005-01-01), Lee
patent: 2005/0215795 (2005-09-01), Chen et al.
patent: 639574 (1995-02-01), None
patent: WO 0062778 (2000-10-01), None
patent: WO 2004071440 (2004-08-01), None
patent: WO 2004085388 (2004-10-01), None
patent: WO 2005013983 (2005-02-01), None
patent: WO2005/072826 (2005-08-01), None
Byrn et al. (Sold-State Chemistry of Drugs, 2nd Edition, 1999, SSCI, Inc. Publishers).
U.S. Appl. No. 11/049,815, filed Feb. 3, 2005, Chen et al.
Autenrieth, W., “Regarding our knowledge of the five isomeric acids C4H6O2”, Chem. Ber., vol. 38, pp. 2534-2551,English Translation.
Eremeev et al., “Absolute Configuration of Diastereomeric Derivatives of N-Substituted Aziridine-2-Carboxylic Acids”, Chem. Heterocycl. Compd. Engl. Transl., vol. 20, pp. 1102-1107, 1984 (translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1342-1348, 1984).
Hartmann et al., “On the coupling of aryldiazonium salts withN,N-disubstituted 2-aminothiophenes and some of their carbocyclic and heterocyclic analogues”, J. Chem. Soc.; Perkin Trans. vol. 1, pp 4316-4320, 2000.
Kantlehner et al., “Ein neues Herstellungsverfahren für 2,2,2-Trialkoxyacetonitrile und 2-Dialkylamino-2-alkoxycarbonsäurenitrile”, Synthesis, pp. 358-360, 1984.
Kantlehner et al., “Orthoamides. IL Reaction of Orthoamide Derivatives with Sulfur and Selenium, Syntheses of 1,3-Thiazole- and 1,3-Selenazole Derivatives”, J. prakt. Chem., vol. 338, pp. 403-413, 1996.
Knoll et al., “Formylation Products of Thioamides; VII1. Synthesis of NewN-(3-AMinothioacryloyl)-formamidines andN,N′-Bis[aminomethylidene]thioureas by Bis-iminoformylation of Thioacetamides and Thiourea with Formamide Acetals”, Synthesis Communications, pp. 51-53, 1984.
Landreau et al., “[4+2] Cycloaddition Reactions Between 2,4-Diamino-1-Thia-3-Azabutadienes and Ketene. Synthesis of New 1,3-Thiazin-6-ones, 1,3-Thiazine-6-Thiones and 2-Thioxopyrimidin-4-ones”, Heterocycles, vol. 53, No. 12, pp. 2667-2677, 2000.
Landreau et al., “Cationic 1,3-Diazadienes in Annulation Reactions. Synthesis of Pyrimidine, Thiadiazinedioxide and Triazine Derivatives”, J. Heterocyclic Chem., vol. 38, pp. 93-98, 2001.
Lin et al., “The Synthesis of Substituted 2-Aminothiazoles”, J. Heterocyclic Chem., vol. 16, pp. 1377-1383, 1979.
Marsham et al., “Quinazoline Antifolate Thymidylate Synthase Inhibitors: Heterocyclic Benzoyl Ring Modifications”, J. Med. Chem., vol. 34, pp. 1594-1605, 1991.
Noack et al., “Synthesis and characterization of N,N-disubstituted 2-amino-5-acylthiophenes and 2-amino-5-acylthiazoles”, Tetrahedron, vol. 58, pp. 2137-2146, 2002.
Noack et al., “Synthesis and Spectral Characterisation of a New Class of Heterocyclic Analogues of Crystal Violet Dyes”, Angew. Chem. Int. Ed., vol. 113, No. 16, pp. 3008-3011, 2001.
Roberts et al., “Folic Acid Analogs. Modifications in the Benzene-Ring Region. 2. Thiazole Analogs”, J. Medicinal Chemistry, vol. 15, No. 12, pp. 1310-1312, 1972.
Zhao et al., “A new facile synthesis of 2-aminothiazole-5-carboxylates”, Tetrahedron Letters, vol. 42, pp. 2101-2102, 2001.
Shah et al., “Overriding Imatinib Resistance with a Novel ABL Kinase Inhibitor”, Science, vol. 35, pp. 339-401, 2004.
U.S. Appl. No. 11/271,626, Office Action Jan. 31, 2008.

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

Process for preparing 2-aminothiazole-5-aromatic... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing 2-aminothiazole-5-aromatic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing 2-aminothiazole-5-aromatic... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4092431

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