ES465739A1 - Procedure for the obtaining of 4-prenil-1,2-difenil3,5-pirazolidinediona. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of 4-prenil-1,2-difenil3,5-pirazolidinediona. (Machine-translation by Google Translate, not legally binding)
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Liofilizaciones Esterilizaciones Y Sinthesis SA
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Liofilizaciones Esterilizaciones Y Sinthesis SA
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of 4-prenyl-12-diphenyl-35-pyrazole-linked reaction characterized in that hydrazobenzene is reacted in a basic organic medium with the corresponding diethyl alkylmalonate at a temperature comprised between 50ºC and 250ºC with subsequent cooling to room temperature and subsequent replacement of the solvent initially by a high boiling point oil, the product formed is finally isolated by extraction with water and acidification thereof. (Machine-translation by Google Translate, not legally binding)
ES465739A1978-01-031978-01-03Procedure for the obtaining of 4-prenil-1,2-difenil3,5-pirazolidinediona. (Machine-translation by Google Translate, not legally binding)
ExpiredES465739A1
(en)
Procedure for the manufacture of 1,4-dioxide of 3- (2- quinoxalinyl methyl) methyl carbazate. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the procedure for obtaining vegetable extracts from vegetable matters. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of carbometoxi-hydrazone of 1,4-dioxido-2-formil-quinoxalina. (Machine-translation by Google Translate, not legally binding)