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Application filed by Alexandrina Felicia Cornea, Dumitru IonescufiledCriticalAlexandrina Felicia Cornea
Priority to RO81103966ApriorityCriticalpatent/RO80163A2/ro
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Publication of RO80163A2publicationCriticalpatent/RO80163A2/ro
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un procedeu de preparare a unor 5-(3,3-dialchil-1-triazenil)-1H-imidazol-4-carboxamide cu formula generala I: (vezi formula) în care R1 si R2 identici sau diferiti reprezinta radicali inferiori si anume esterii alifatici corespunzatori se trateaza cu amoniac anhidru la temperatura camerei, dupa care produsul se separa în mod în sine cunoscut.
RO81103966A1981-04-081981-04-08Procedeu de preparare a unor 5-(3,3-dialchil-1-triazenil)-1h-imidazol-4-carboxamide
RO80163A2
(ro)
Verfahren zur herstellung von neuen 2-acyl-4- -oxo-1,2,3,6,7,11b-hexahydro-4h-pyrazino(2,1a) isochinolin-derivaten, ihre optischen anti- poden, physiologisch unbedenklichen saeure- additionssalzen und quartaeren ammoniumsalzen
Verfahren zur herstellung des neuen 1-methyl- 4-(3-carboxy-10,11-dihydro-5h-dibenzo(a.d) cyclohepten-5-yliden)-piperidin (10,11- dihydro-3-carboxycyproheptadin), seines n- oxids und seiner salze