C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 213/80 (2006.01) C07C 229/30 (2006.01)
Patent
CA 2044553
31,?39 PRCESS FOR THE PREPARATION OF DIALKYL PYRIDINE- 2,3-DICARBOXYLATES AND DERIVATIVES THEREOF FROM DIALKYL DICHLOROMALEATE ABSTRACT OF THE INVENTION There is provided a process for the prepar- tion of substituted and unsubstituted-2,3-pyridine- dicarboxylate compounds by reaction a dialkyl dichloro- maleate with a source of ammonia and an appropriately substituted .alpha.,.beta.-unsaturated aldehyde or ketone.
Cevasco Albert A.
Chiarello George A.
Doehner Robert F. Jr.
Rieker William F.
American Cyanamid Company
Cevasco Albert A.
Chiarello George A.
Doehner Robert F. Jr.
Rieker William F.
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