Method of preparing N-substituted 3,5-dicyan-1,4-dihydropyridine

Details Method of preparing N-substituted 3,5-dicyan-1,4-dihydropyridine Method of preparing N-substituted 3,5-dicyan-1,4-dihydropyridine

1974-09-11

1976-07-13

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D21357

Patent

active

039693597

ABSTRACT:
A method for preparing N-substituted 3,5-dicyan-1,4-dihydropyridines designed for use as radioactive radiation detectors in scintillation techniques is described. The method involves reacting an unsubstituted dihydropyridine derivative in an aprotic polar solvent with an alkali metal or alkaline earth metal hydride or amide and, subsequently, alkylating the resultant product.

REFERENCES:
fieser & Fieser, Reagents for Organic Synthesis, vol. 1, pp. 300, 1078, 1079, Wiley Pub. (1967).
Fieser & Fieser, Reagents for Organic Synthesis, vol. 2, p. 383, Wiley Interscience, (1969).

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