STUDIES IN URETHANS. IV. ACYL DI-URETHANS AND THEIR REACTIONS WITH AMMONIA AND AMINES1

S Basterfield, EL Woods…

文献索引：Basterfield; Woods; Whelen Journal of the American Chemical Society, 1927 , vol. 49, p. 2947

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2942 BASTERFmLD, WOODS AND WHELGN Vol. 49 diluted with 60 cc. of water and distilled until the temperature of the mixture reached about 98". acidified with concd. hydrochloric acid, using Congo Red paper as an indicator. The malonic acid was separated and the aqueous liquors were extracted with ether. The separated malonic acid was also dissolved in the ether, the ether solutions mixed and dried with calcium chloride and then ...