ES217743A1 - A procedure for the obtaining of new derivatives of barbituric acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the obtaining of new derivatives of barbituric acid (Machine-translation by Google Translate, not legally binding)
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HAFTUNG KARL THOMAE GESECHSCHAFT MIT Beschrankter
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HAFTUNG KARL THOMAE GESECHSCHAFT MIT Beschrankter
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Publication of ES217743A1publicationCriticalpatent/ES217743A1/en
A process for obtaining new derivatives of barbituric acid of the general formula wherein R1 means a radical containing 25-endomethylene-3-tetrahydrophenyl of the formula ** (See formula) ** R2 has the same meaning as R1 or means hydrogen or a saturated or unsaturated aliphatic radical with 1-5 carbon atoms which may be branched or either an aryl radical or an arylalkyl radical is branched, while R3 represents an alkyl or aryl radical or an acyl radical or an oxygen atom or the imino group'' NH with the radicals R1 and R2 if necessary also substituted by one or more halogen atoms preferably bromo characterized by converting esters of the general formula ** where R1 and R2 has the meaning indicated above while R means an alkyl radical with compounds of the general formulas ** where R3 and X have the meaning above indicated all in the presence of an alkaline condensing agent. (Machine-translation by Google Translate, not legally binding)
ES0217743A1953-10-071954-10-06A procedure for the obtaining of new derivatives of barbituric acid (Machine-translation by Google Translate, not legally binding)
ExpiredES217743A1
(en)
Procedure for the preparation of 1-acil-5-phenyl-1-h 1,5-benzodiazepin-2,4- (3h, 5h) -dionas. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of n, n - (tetrahydrofurfurilmalonil) -5,6-dihydro-benzo (c) cinoline and of derivatives of the same (Machine-translation by Google Translate, not legally binding)