Process for the preparation imidazo[1,2-A]pyridine-3-acetamides

Details Process for the preparation imidazo[1,2-A]pyridine-3-acetamides Process for the preparation imidazo[1,2-A]pyridine-3-acetamides

2005-03-01

2005-03-01

Huang, Evelyn Mei (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S113000, C564S160000

Reexamination Certificate

active

06861525

ABSTRACT:
The present invention relates to an improved synthesis of imidazo[1,2-a]pyridine-3-N,N-dialkylacetamides, including zolpidem tartrate.

REFERENCES:
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patent: 5932592 (1999-08-01), Sohda et al.
patent: 793807 (1958-04-01), None
Perez et al. J. Org. Chem. 1988, 53:408-413.*
N. S. Nudelman, et al., “Insertion of Carbon Monoxide into Lithium-Nitrogen Bonds. One-Pot Synthesis of Dialkylformamides and Dialkylglyoxylamides”, J. Org. Chem., 1983, 48, 133-134.

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