A Convenient Synthesis of 3-Aminotropolone and Its Reaction with Orthoesters. Formation of 8H-Cycloheptoxazol-8-ones
Schmidt reaction of 3-acetyltropolone gave 3-acetamidotropolone, which was hydrolyzed to afford 3-aminotropolone (3).The compounds 3 reacted with orthoformate, orthoacetate, orthopropionate, and orthobenzoate to give the corresponding 2-substituted 8H-cycloheptoxazole-8-one derivatives.
Imafuku, Kimiaki,Furuya, Miki,Jin, Zhong-Tian
p. 609 - 610
(2007/10/02)
Reactions of 3-Aminotropolone with Acyl Halides. Formation of 8H-Cycloheptoxazol-8-ones
3-Aminotropolone (1) reacted with acetyl chloride and propionic chloride to give 2-methyl- and 2-ethyl-8H-cycloheptoxazol-8-ones (2a and 2b), respectively.The reaction with benzoyl chloride and phenylacetyl chloride gave N-acylated and N,O-diacylated 3
Imafuku, Kimiaki,Furuya, Miki,Jin, Zhong-Tian
p. 1055 - 1056
(2007/10/02)
Studies on seven-membered ring compounds. XXII. Preparation of tropylium ions having fused heterocyclic systems.
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Soma,Nakazawa,Watanabe,Sato,Sunagawa
p. 619 - 626
(2007/10/05)
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