Tetrahedron Letters p. 317 - 320 (1988)
Update date:2022-09-26
Topics:
Ibata, Toshikazu
Toyoda, Jiro
Sawada, Masami
Takai, Yoshio
Tanaka, Takanori
The structure of novel type dimers of 1-methoxy and 1-isopropoxy-2-benzopyrylium-4-olates was determined by spectroscopic and single-crystal X-ray structural analyses to have 4-alkoxy-5-(o-alkoxycarbonylphenyl)-4,7;5,6-bisepoxy-2-benzocycloheptan-1-ones.
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