Preparation of spiroaziridinefluorene,spiroindoxyl-fluorene,and Β-aminopropionic acid ester with a 4-azafluorene fragment |
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Authors: | N S Prostakov L A Gaivoronskaya S K Sarkar V F Zakharov N M Durbazheva |
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Institution: | (1) Patrice Lumumba Peoples' University, 117293 Moscow |
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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 -aminopropionic acid with a 4-azafluorene fragment was obtained by alkylation of its dianion with methyl chloroacetate.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 895–897, July, 1986. |
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