5-endo-trig radical cyclizations: Disfavored or favored processes?

C Chatgilialoglu, C Ferreri, M Guerra…

Index: Sato, Tatsunori; Machigashira, Naomi; Ishibashi, Hiroyuki; Ikeda, Masazumi Heterocycles, 1992 , vol. 33, # 1 p. 139 - 142

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Citation Number: 60

Abstract

... 5-endo radical cyclization is by far the synthesis of saturated five-membered nitrogen-containing heterocycles. 12 Ikeda, Ishibashi, and co-workers were the first to show that a variety of halo ... of halo-enamides of type 4, we chose the bromo derivative 11 reported by Ikeda and co ...