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Interaction of acetic anhydride with di- and tri-carboxylic acids in aqueous solution

✍ Scribed by Arnold J. Repta; Joseph R. Robinson; Takeru Higuchi

Publisher
John Wiley and Sons
Year
1966
Tongue
English
Weight
431 KB
Volume
55
Category
Article
ISSN
0022-3549

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✦ Synopsis

Journal of Phurmuceuticul Sciences

and ultraviolet spectra were characteristic of an anilide. NMR spectrum strongly suggested this to be the symmetrical isomer, 2-hydroxy-2-Nphenylcarbamide-l,3-propanedicarboxylic acid.

Citric Monounilide-2.-This was recrystallized from chloroform, m.p. 127-128'.

Molecubar weight determined by direct titration against sodium hydroxide solution was 270 (calculated 268).

Anal.-Calcd. for C, 63.94; H, 4.87; N, 5.23. Found: C

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