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Tetrakisdehydro[14]annuleno[16]annulene

โœ Scribed by Masahiko Iyoda; Shuzo Akiyama; Masazumi Nakagawa


Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
263 KB
Volume
20
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES


Tetrakisdehydro[16]annuleno[18]annulene
โœ Koichi Sakano; Tsutomu Nakagawa; Masahiko Iyoda; Masazumi Nakagawa ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 230 KB

Sununary: Tetrakisdehydro[16]annuleno[l8]annulene consisting of trisdehydro[16]annulene and dehydro[18]annulene has been synthesized. Induction of para-and diamagnetic ring currents 16-and 18-membered rings, respectively, was clearly recognized by the H NMR spectroscopy. marked suppresion of the dia

Tetrakisdehydro[14]annuleno[20]annulene
โœ Yukihiro Yoshikawa; Masahiko Iyoda; Masazumi Nakagawa ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 225 KB

Tetrakisdehydro[14]annuleno[20]annulene consisting of an aromatic bisdehydro[14]annulene and an antiaromatic trisdehydro[20]annulene has been synthesized. The 'H NMR spectra clearly indicate the induction of para-and diamagnetic ring currents in each of the [4n]-and [4n+2]rings, respectively. Recent

Tetrakisdehydro[18]annuleno[20]annulene
โœ Yukihiro Yoshikawa; Masahiko Iyoda; Masazumi Nakagawa ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 417 KB
Trisdehydro[14]annuleno[16]annulene
โœ Yukihiro Yoshikawa; Masahiko Iyoda; Masazurni Nakagawa; Shin'ichi Nakatsuji; Shu ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 233 KB

All new compounds described in this paper gave IR, NMR, and mass spectral data consistent with the assigned structures and satisfactory elemental analyses were obtained.

Synthesis of a [14]annuleno[18]annulene
โœ Shin'ichi Nakatsuji; Shuzo Akiyama; Masazumi Nakagawa ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 238 KB
The molecular structure of a trisdehydro
โœ Yasushi Kai; Noritake Yasuoka; Nobutami Kasai; Shuzo Akiyama; Masazumi Nakagawa ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 223 KB

annulene(l), which was recently 1 synthesized , is a new type of condensed nonbenzenoid aro-