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Fortuny S A Lab
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Fortuny S A Lab
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Priority to ES416851ApriorityCriticalpatent/ES416851A1/en
Publication of ES416851A1publicationCriticalpatent/ES416851A1/en
Preparation procedure of quinazolinodiones, of general formula **(See formula)** where R1, R2, R3 and R4, may be the same or different, they represent a hydrogen atom, an alcohol of 1 to 4 carbons, a methoxy or ethoxy group, a halogen or a trifluoromethyl. (Machine-translation by Google Translate, not legally binding)
ES416851A1973-07-121973-07-12Procedure for preparation of quinazolinones. (Machine-translation by Google Translate, not legally binding)
ExpiredES416851A1
(en)
Procedure for the preparation of new bifunctional compounds containing the group 2,4,8,10-tetraoxaspiro- (s, s) -undecano. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of derivatives of alpha-nicotinoil-beta- (fenilsustituido) etileno. (Machine-translation by Google Translate, not legally binding)