Heterocycles p. 901 - 906 (2015)
Update date:2022-08-10
Topics:
Igawa, Kazunobu
Kawabata, Takeshi
Uehara, Kazuhiro
Tomooka, Katsuhiko
An efficient approach to the nine-membered enyne nitrogen heterocycle 3 is presented. 1H NMR analysis reveals that both 3a (R = H, X = Ts) and 3b (R = Me, X = Ts) exhibit significant labile planar chirality in solution at ambient temperature. T
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