ES235476A1 - A procedure for the obtaining of N-substitute 2-4-diamino-1,3,5-triazines (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the obtaining of N-substitute 2-4-diamino-1,3,5-triazines (Machine-translation by Google Translate, not legally binding)
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Ludwig Heumann & Co Chemisch P
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Ludwig Heumann & Co Chemisch P
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Priority to ES0235476ApriorityCriticalpatent/ES235476A1/en
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A process for the preparation of N-substituted 2,4-diamino-1,3,5-triazines of the general formula: ** (See formula) ** where R1-R4 are either H or an alkyl, aryl, substituted aryl or heterocyclic radical, but at most three of the substituents R1-R4 may be hydrogen, characterized by heated hydrochlorides or biguanide hydrochlorides or other biguanidic salts of volatile inorganic acids, with formic acid. (Machine-translation by Google Translate, not legally binding)
ES0235476A1957-05-141957-05-14A procedure for the obtaining of N-substitute 2-4-diamino-1,3,5-triazines (Machine-translation by Google Translate, not legally binding)
ExpiredES235476A1
(en)
Procedure for the preparation of new asymmetrically substituted derivatives of 2,4-diamino-1,3,5-triazin (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of new derivatives of heterocyclic hydrazines and their salts (Machine-translation by Google Translate, not legally binding)
Procedimine for the obtaining of derivatives of the acid p- [cumarinyl- (3)] - phenyl carbamine (Machine-translation by Google Translate, not legally binding)