Claims
- 1. A process for the production of a compound or a salt thereof of the formula I
- 2. The process of claim 1 in which the organic solvent is a chlorinated hydrocarbon, ether or methyl isobutyl ketone.
- 3. The process of claim 1 in which X is methyl, Y1 is hydrogen and Y2 is methyl and R is methyl and the product is 6-methyl-N,N-dimethyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine-3-acetamide.
- 4. The process for the formation of compound III which comprises reacting a compound of formula;
- 5. A process of claim 4 where X, Y1 is methyl, Y2 is hydrogen and R is methyl and the product is 6-methyl-N,N-dimethyl-2-(4-methylphenyl)-α-hydroxyimidazo[1,2-a]pyridine-3-acetamide.
- 6. A process of claim 4 where the organic solvent is capable of removing water as an azetrope.
- 7. A process of claim 4 where the pH is between 4.5 and 9.5.
- 8. A process of claim 4 where the organic solvent is selected from the group consisting of an alkyl hydrocarbon, aromatic hydrocarbon, chlorinated hydrocarbon, ketone, ester and ether.
RELATED APPLICATIONS
[0001] This application claims priority from U.S. Provisional Patent Application Serial No. 60/396,278 which was filed on Jul. 15, 2002.
Provisional Applications (1)
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Number |
Date |
Country |
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60396278 |
Jul 2002 |
US |