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Communication | Regular issue | Vol 22, No. 4, 1984, pp.705-708
Published online, 1st January, 1970
DOI: 10.3987/R-1984-04-0705
Addition Reaction of Indolizine Derivatives with Dimethyl Acetylenedicarboxylate

Yoshiro Yamashita,* Daisuke Suzuki, and Mitsuo Masumura

*Faculty of Engineering, University of Tokushima, Minamijosanjima-cho, Tokushima 770-8506, Japan

Abstract

Indolizine derivatives reacted 1 with dimethyl acetylenedicarboxylate to give 1:1 adducts 2-6. In some cases 1:2 adducts 7 were obtained from which cycl[4.3.2]azine derivatives 11 were synthesized by dehydrogenation. The addition reaction was dependent on the substituents and solvents employed.