Polycyclic N-Hetero Compounds. XL. Reaction of Cyclic Ketones with Trisformylaminomethane

  • Sasaki, Kenji
  • Hirota, Takashi
  • Iwado, Akimasa
  • Hirota, Kazuhiro
Publication date
March 1991
Publisher
Wiley
Journal
issn:0917-4494

Abstract

Reactions of cyclic ketones such as α-tetralone, 1,3-cyclohexanedione, or naphthalenedione with formamide or trisformylaminomethane (TFAM) have shown to form polyclic fused pyrimidines by us. Reactions of terpene ketones like l-menthone, d-camphor, l-carvone with TFAM were performed, and 8-isopropyl-5-methyl-5,6,7,8-tetrahydroquinazoline, borno[2,3-d] pyrimidine, and 5-isopropenyl-8-methyl-5,6-dihydroquinazoline were expectedly obtained from three terpenes. Minor products of 5-isopropenyl-8-methyl-5,6,7,8-tetrahydroquinazoline and 5-isopropenyl-8-methylquinazoline were formed with 5-isopropenyl-8-methyl-5,6-dihydroquinazoline by disproportionation reaction of l-carvone. Furthermore, No-formylmenthylamine, N-formylbornylamine, and N-formylc...

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