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Expired
Application number
GB6263869A
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Sandoz AG
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Sandoz AG
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Publication date
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Priority to GB6263869ApriorityCriticalpatent/GB1248869A/en
Publication of GB1248869ApublicationCriticalpatent/GB1248869A/en
C07C253/00—Preparation of carboxylic acid nitriles
C07C253/22—Preparation of carboxylic acid nitriles by reaction of ammonia with carboxylic acids with replacement of carboxyl groups by cyano groups
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
1,248,869. Preparation of nitrites. SANDOZ Ltd. 23 Dec., 1969, No. 62638/69. Addition to 1,220,781. Heading C2C. Nitriles are prepared by heating alkaline earth metal salts of carboxylic acids with urea in the presence of amidosulphonic acid. The exemplified product is 2-chlorobenzonitrile.
GB6263869A1969-12-231969-12-23Process for the production of nitriles
ExpiredGB1248869A
(en)
Process for the preparation of 6- (D-α-amino-p-hydroxyphenylacetamido) -penicillanic acid with a low water content, or the sodium or potassium salt of this acid