Preparation of spiroaziridinefluorene, spiroindoxyl-fluorene, and Β-aminopropionic acid ester with a 4-azafluorene fragment

Autor: Prostakov, N. S., Gaivoronskaya, L. A., Sarkar, S. K., Zakharov, V. F., Durbazheva, N. M.
Zdroj: Chemistry of Heterocyclic Compounds; July 1986, Vol. 22 Issue: 7 p710-713, 4p
Abstrakt: 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.
Databáze: Supplemental Index