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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/es
Publication of ES479470A1publicationCriticalpatent/ES479470A1/es
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Procedimiento para preparar pirimidonas, de fórmula (2) **(Fórmula)** en donde Het2 es un grupo 4-imidazolilo opcionalmente sustituido por alquilo inferior, halógeno o trifluormetilo, un grupo 2-piridilo opcionalmente sustituido por uno o más grupos alquilo inferior o alcoxi inferior o átomos de halógeno, o un grupo 2-tiazolilo; Y es azufre o metileno; Z es hidrógeno o alquilo inferior; A es alquileno C1-C5; R es alquilo inferior o alcoxi inferior y R1 es hidrógeno, alquilo inferior o alcoxi inferior.
ES479470A1979-04-101979-04-10Procedimiento para preparar pirimidonas.
ExpiredES479470A1
(es)