Kinase inhibitor scaffolds and methods for their preparation

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

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C544S264000, C544S276000, C544S265000, C544S224000, C544S237000, C544S239000, C544S336000, C544S408000, C544S316000, C544S320000, C544S322000, C544S323000, C544S326000, C544S330000, C544S286000, C544S287000, C544S291000, C544S292000, C544S293000, C544S353000, C544S354000, C546S304000, C546S307000, C546S312000, C546S153000, C546S159000, C546S160000, C546S171000, C435S004000, C548S557000, C548S558000, C548S559000, C548S469000, C548S483000, C548S484000, C548S306400, C548S307400, C548S307700, C548S308100

Reexamination Certificate

active

10270030

ABSTRACT:
General methods for the solution phase as well as solid phase synthesis of various substituted heteroaryls has been demonstrated. These substituted heteroaryls can be further elaborated by aromatic substitution with amines at elevated temperature or by anilines, boronic acids and phenols via palladium catalyzed cross-coupling reactions.

REFERENCES:
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patent: 2004/0157864 (2004-08-01), Wu et al.
patent: WO 99/34018 (1999-08-01), None
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Strem Chemical incorporated, Catalog item #07-0299.
Zhang J. Org. Chem 64(11) 3804 (1999).
Dubbaka et al., Organic Letters 6, 95 (2004).
Hermann, Angewante Chem. Int. Ed. 41. 1290-1309 (2002).
Strem Chemicals, Inc. Catalog # 07-0302.
Zhao et al., “Design of an adenosine Analogue that Selectively Improves the Affinity of a Mutant U1AProtein for RNA,”J. Am. Chem. Soc., 125:2480-2488 (2003).
Ding et al., “A Concise and Traceless Linker Strategy toward Combinatorial Libraries of 2,6,9-Substituted Purines,”J. Org. Chem., 66:8273-8276 (2001).
Ding et al., “Expanding the diversity of purine libraries,”Tetrahedron Letters, 42:8571-8755 (2001).

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