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US 2013/0261306 A1Published application
Preparation of c-pyrazine-methylamines
AssigneeOSI Pharmaceuticals, Inc.
InventorsYunyu Mao, Kristen Michelle Mulvihill, Josef A. Rechka, Paula A. Tavares-Greco
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Abstract
A process for preparing a compound of formula (I) or a salt thereof: (I) wherein R1 is H or optionally substituted aryl or heteroaryl; comprising reacting 2,3-dichloropyrazine with a suitable diaryl imine followed by hydrolysis.
Claims24
1-23. (canceled)
A process for preparing a compound of formula (1) or a salt thereof:
- wherein R1 is H, —CN, a carboxylate, or optionally substituted aryl or heteroaryl;
- comprising reacting 2,3-dichloropyrazine with a suitable diaryl imine followed by hydrolysis.
Dependencies are inferred from the claim text.