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Communication | Regular issue | Vol 12, No. 5, 1979, pp.653-656
Published online, 1st January, 1970
DOI: 10.3987/R-1979-05-0653
The Substitutent Effect and Assignment of the 13C-NMR Spectra of Some 2-Substituted 1,3-Diazazulenes

Hitoshi Takeshita* and Hiroaki Mametsuka

*Instituete of Advanced Material Study, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan

Abstract

The 13C-NMR spectral signals of 1,3-diazazulene derivatives were unequivocally assigned by aids of 2H and 15N labellings. Variation of the C-2 substituents caused no appreciable effect on the chemical shifts of C-5 and C-9.