Nitrogen bridgehead compounds. Part 67. Preparation of novel policyclic quaternary salts

A partir de [chloro dimethylamino methylene]-9 methyl-6 oxo-4 tetrahydro-6,7,8,9 pyrido [1,2-a] pyrimidinecarboxylate-3 d'ethyle ou du nitrile correspondant et de methyl-2 thiazoline-2, synthese de thiazolo [2,3-b] diaza-2,6a azonia-3a phenalenes; reactions identiques a partir des methyl-2 oxazoline-2, -benzothiazole et -benzooxazole et de la dihydro-3,4 isoquinoleine