Procedure for the manufacture of dibenzotiacin derivatives. (Machine-translation by Google Translate, not legally binding)
Номер патента: ES325471A1
Опубликовано: 16-05-1967
Автор(ы):
Принадлежит: Imperial Chemical Industries Ltd
Опубликовано: 16-05-1967
Автор(ы):
Принадлежит: Imperial Chemical Industries Ltd
Реферат: Process for the manufacture of dibenzothiazine derivatives of the general formula: ** (See formula) ** wherein A represents a straight or branched chain alkylene residue; R1 and R2, which may be the same or different, represent hydrogen or alkyl, hydroxyalkyl or alkenyl radicals; and wherein one or the other or both benzene rings of the dibenzothiazine nucleus can, if desired, be further substituted by one or more radicals chosen from halogen atoms and alkyl and trifluoromethyl radicals. ** (See formula) ** wherein one or the other or both benzene rings of the dibenzothiazine nucleus can optionally be subsequently substituted according to claim 1, or a salt thereof, with a compound of the formula: ** (See formula) ** wherein A, R1 and R2 have the meanings set forth in claim 1 and wherein X represents a halogen atom or the acid addition salt thereof. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of a substitute 8-hydroxyquinoleine derivative. (Machine-translation by Google Translate, not legally binding)
Номер патента: ES323087A1. Автор: . Владелец: Charles Pfizer and Co Inc. Дата публикации: 1967-01-01.