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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Priority claimed from GB12338/63Aexternal-prioritypatent/GB1019227A/en
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Publication of ES298066A1publicationCriticalpatent/ES298066A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
"Process for the manufacture of pyrimidine derivatives", of general formula ** (See formula) ** wherein R1, R2 and R5, which may be the same or different, represent alkyl or alkenyl radicals of not more than 6 carbon atoms, or in which R1 and R2, together with the adjacent nitrogen atom form a heterocyclic radical, wherein R3 and R4 represent hydrogen or an alkyl or alkenyl radical of not more than 6 carbon atoms, and wherein X represents the oxygen or sulfur atom, characterized in that it comprises the interaction of a compound of general formula ** (See formula) ** wherein R1, to R4 have the indicated meanings and R6 represents hydrogen or an alkali metal atom, with a halogen derivative of the formula ** (See formula) ** wherein R5 and X have the meanings indicated above, and wherein Y represents a halogen atom. (Machine-translation by Google Translate, not legally binding)
ES298066A1963-03-281964-03-28Procedure for the manufacture of pyrimidine derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES298066A1
(en)
Procedure for the manufacture of halogenuras ammonium cuaternarios of rent-grease of pyridimethyl. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of heterociclic compounds of the type of pinanopirazoles. (Machine-translation by Google Translate, not legally binding)