Chemistry Letters p. 807 - 808 (1987)
Update date:2022-08-05
Topics:
Matsumoto, Kiyoshi
Uchida, Takane
Konishi, Hideyuki
Watanabe, Youko
Aoyama, Kinuyo
Asahi, Momoyo
Representative pyridinium dicyanomethylides underwent regioselectively 1,3-dipolar cycloaddition onto methyl 3-trimethylsilyl-2-propynate and methyl 3-phenyl-2-propynate yielding the corresponding indolizines whereby 1-methoxycarbonylindolizines forms either exclusively or predominantly, in agreement with HOMO(ylide)-LUMO(dipolarophile) interaction as revealed by CNDO/2 calculation.
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(1987)
