Journal of Heterocyclic Chemistry p. 1305 - 1308 (2000)
Update date:2022-08-02
Topics:
Choi
Park
Kim
Park
2,8-Diazadibenzo[c,i]spiro[5,5]undecan-1,7-dione 3 are synthesized via reaction of malonic ester with 2-nitrobenzyl bromide, followed by reduction-cyclization in 86% overall yield. 2,8-Diazadibenzo[c,i]-spiro[5,5]undecane 4 was obtained by reduction of 3
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