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Application filed by Institutul De Cercetari Chimico-FarmaceuticefiledCriticalInstitutul De Cercetari Chimico-Farmaceutice
Priority to RO137146ApriorityCriticalpatent/RO103093B1/en
Publication of RO103093A2publicationCriticalpatent/RO103093A2/en
Publication of RO103093B1publicationCriticalpatent/RO103093B1/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
Inventia se refera la un procedeu de obtinere a 2-hidroxi-chinoxalinei, pornind de la o-fenilendiamina si acid monocloracetic, în prezenta unor sisteme tampon, 3,4-dihidro-2-hidroxi-chinoxalina formata in situ, fiind apoi oxidata cu apa oxigenata.The invention relates to a process for the preparation of 2-hydroxy-quinoxaline, starting from o-phenylenediamine and monocloracetic acid, in the presence of in situ situated 3,4-dihydro-2-hydroxy quinoxaline systems, hydrogen peroxide.
RO137146A1988-12-281988-12-28Production method of 2-hydroxi-quinoxaline
RO103093B1
(en)