Synthesis for hydroxyalkylated heterocyclic bases

United States of America Patent

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May 13, 2008
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Jun 22, 2006
app pub date
Aug 8, 2002
filing date
Aug 8, 2002

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Abstract

A hydroxyalkylated heterocyclic base is prepared by reacting a heterocyclic base with an alkylene carbonate in dimethylacetamide as a solvent, wherein the hydroxyalkylated heterocyclic base is isolated from the solvent using isopropanol or tert-butylmethylether.

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VALEANT RESEARCH & DEVELOPMENT	3300 HYLAND AVENUE COSTA MESA CA 92626

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
An, Haoyun	Carlsbad, CA	28	566
Girardet, Jean-Luc	Aliso Viejo, CA	57	810
Hong, Zhi	Aliso Viejo, CA	70	1236
Orr, Robert	San Clemente, CA	16	52
Ramasamy, Kanda	Aliso Viejo, CA	9	283

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Synthesis for hydroxyalkylated heterocyclic bases

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United States of America Patent

10523938

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PATENT NO	7371857
APP PUB NO	20060135768A1
SERIAL NO	10523938
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 13, 2008	US,7371857,B2 US7371857B2	GRANTED PATENT AS SECOND PUBLICATION
June 22, 2006	US,20060135768,A1 US20060135768A1	FIRST PUBLISHED PATENT APPLICATION

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10523938

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