Studies in the Diphenylacetic Acid Series. I. Nitro and Amino Acids

IM Hunsberger, ED Amstutz

Index: Hunsberger; Amstutz Journal of the American Chemical Society, 1949 , vol. 71, p. 2635,2638

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Citation Number: 7

Abstract

79-82' (15 mm.) ; n% 1.4137 (lit.,*' 1.4148). Summary on the y-position of the pyridine. 4. Protection of simple aldehydes Or a,P- unsaturated carbonyl compounds by formation of their acetals or Similar derivatives gives in- creased yields of pyridines in the Chichibabin ... 1. The use of excess aqueous ammonia in the Chichibabin synthesis of pyridines gives better yields of single products than does the use of aldehyde-ammonias or vapor-phase condensation. 2. An important ...

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