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Smith Kline and French Laboratories Ltd
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Smith Kline and French Laboratories Ltd
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Priority to ES479470ApriorityCriticalpatent/ES479470A1/en
Publication of ES479470A1publicationCriticalpatent/ES479470A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
Process for preparing pyrimidones, of formula (2) ** (Formula) ** wherein Het2 is a 4-imidazolyl group optionally substituted by lower alkyl, halogen or trifluoromethyl, a 2-pyridyl group optionally substituted by one or more lower alkyl groups or lower alkoxy or halogen atoms, or a 2-thiazolyl group; Y is sulfur or methylene; Z is hydrogen or lower alkyl; A is C1-C5 alkylene; R is lower alkyl or lower alkoxy and R1 is hydrogen, lower alkyl or lower alkoxy. (Machine-translation by Google Translate, not legally binding)
ES479470A1979-04-101979-04-10Procedure for preparing pyrimidones. (Machine-translation by Google Translate, not legally binding)
ExpiredES479470A1
(en)