Bull. Russ. Acad. Sci. Div. Chem. Sci. (Engl. Transl.) p. 188 - 191 (1992)
Update date:2022-09-26
Topics:
Zakharkin, L. I.
Churilova, I. M.
Guseva, V. V.
A simple method is proposed for the preparation of brassylic acid by the alkaline hydrolysis of 5,6,7,8,9,10,11,12,13,14-decahydrocyclododeca<1,2-d>pyrimidine<1H,3H)dione-2,4, which is the product of the condensation of cyclododecanone with urea or biuret.The condensation of the cyclododecanone with thiourea proceeds differently, leading to 5,6,7,8,9,10,11,12,13,14-decahydrocyclododeca<1,2-d>pyrimidine(1H,3H)spirocyclododecane-2-thione-4. Keywords: brassylic acid, cyclododecanone, 5,6,7,8,9,10,11,12,13,14-decahydrocyclododeca<1,2-d>pyrimidine(1H,3H)dione-2,4, 5,6,7,8,9,10,11,12,13,14-decahydrocyclododeca<1,2-d>pyrimidinespirocyclododecane-2-thione-4, urea, biuret, methoxycarbonylcyclododecanone, phenylamide of cyclododecanonecarboxylic acid.
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