ES245060A1 - Procedure for the preparation of new benzofenonsulfonamides. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new benzofenonsulfonamides. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Novartis AG
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JR Geigy AG
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Priority to ES0245060ApriorityCriticalpatent/ES245060A1/en
Publication of ES245060A1publicationCriticalpatent/ES245060A1/en
Process for the preparation of new benzofenonsulfonamides characterized in that compounds of general formula ** are prepared in which they mean R1 a halogen atom or a low molecular weight alkoxy group R2 hydrogenouned halogen atom low molecular weight alkoxy group, a carboxylcarbamoxycarbamyl or carbamyl-alkoxy group, a sulfamyl group or a sulfamylcarbamylcarbamyl-alkoxy group substituted by low molecular weight alkyl or alkylalkenylhydroxyalkyl radicals or by the radical 3-oxapentylene- (15) or a carboxy-alkoxy group R3 a radical corresponding to the definition of r2 or an alkanoylamino or nitroy group R4 hydrogenouned halogen atom or a low molecular weight alkoxy group Treating with an oxidant a compound of general formula ** which means Y-co- o -ch2 - Z -so2- o -s- R2 '' and r3 '' radicals corresponding to the above definition for r2 and r3 or methyllopero groups at least one of the symbols yzr2 '' and r3 '' an oxidable radical is -ch2 - so well a metiloy group R1 and r4 have the significance indicated above. (Machine-translation by Google Translate, not legally binding)
ES0245060A1958-11-031958-11-03Procedure for the preparation of new benzofenonsulfonamides. (Machine-translation by Google Translate, not legally binding)
ExpiredES245060A1
(en)
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