Abstract
It has been established that the reaction of 9-(p-methoxyphenylimino)fluorene with dichlorocarbene (conditions of phase-transfer catalysis) proceeds in two directions — the formation of spiroaziridinefluorene and of spiroindoxylfluorene, the structure of which has been demonstrated. Opening of the aziridine ring of spiroaziridinefluorene has been accomplished. From the analagous azamethine, 4-aza-fluorene, an ester of N-substituted Β-aminopropionic acid with a 4-azafluorene fragment was obtained by alkylation of its dianion with methyl chloroacetate.
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