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Molecular structures of endo[4+2]π and exo[6+4]π cycloadducts via cycloaddition reaction of n-ethoxycarbonylazepine with 2,5-dimethoxycarbonyl-3,4-diphenylcyclopentadienone

✍ Scribed by Kazunobu Harano; Takashi Ban; Masami Yasuda; Ken Kanematsu


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

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The title compounds were obtained by the reaction of I -aryl-3-trimethylsilyl-l,3-diaza-2-thiaallenes with dichloromonosulfane or 1 -aryl-4-(1 -phtalimidyl)-l,3diaza-2,4-dithia-l,2-butadienes in the presence ofCsF. The latter route also afforded nonsyinmetric derivatives. In contrast, the reaction o