AMINOMETHYL PYRAZOLONE DERIVATIVES OF NICOTINAMIDE
1,146,183. Derivatives of nicotinamide. STABILIMENTI CHIMICO-FARMACEUTICI DR. R. RAVASINI & CIA. S.p.A. 9 June, 1966 [1 July, 1965; 12 May, 1966], No. 25836/66. Heading C2C. [Also in Division A5] Novel derivatives of nicotinamide of the formula wherein R is C 1-6 alkyl, or an arylalkyl group whi...
Saved in:
Main Authors | , |
---|---|
Format | Patent |
Language | English |
Published |
07.01.1969
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | 1,146,183. Derivatives of nicotinamide. STABILIMENTI CHIMICO-FARMACEUTICI DR. R. RAVASINI & CIA. S.p.A. 9 June, 1966 [1 July, 1965; 12 May, 1966], No. 25836/66. Heading C2C. [Also in Division A5] Novel derivatives of nicotinamide of the formula wherein R is C 1-6 alkyl, or an arylalkyl group which may or may not have substituents in the aromatic nucleus; the substituents being, if present, halogen atoms, hydroxy or methoxy groups are prepared by reacting in a suitable solvent at a temperature of 20 to 100 C. the appropriate 1 - phenyl - 2,3 - dimethyl - 4- alkylamino-S-pyrazolone with nicotinamide and formaldehyde, in a molar ratio ranging from 1:1 1 to 1: 1: 4 respectively. |
---|---|
Bibliography: | Application Number: USD3420839 |