ACID-CATALYZED CYCLIZATION OF OCTADIENYNE DERIVATIVES. FACILE FORMATION OF CYCLOPENTADIENE, ISOBENZOTHIOPHENE, AND 18-MEMBERED CYCLIC ETHER
作者:Masahiko Iyoda、Shigeyoshi Tanaka、Yoshio Aso、Masazumi Nakagawa
DOI:10.1246/cl.1984.2001
日期:1984.11.5
Treatment of substituted octa-2,6-dien-4-yne-1,8-dial derivatives with CF3COOH gave cyclopentadiene, thiophene, or isobenzothiophene derivatives. Formation of an 18-membered cyclic ether was observed in the case of octa-2,7-dien-4-yne-1,6-diol derivative.
用 CF3COOH 处理取代的辛-2,6-二烯-4-炔-1,8-二醇衍生物可得到环戊二烯、噻吩或异苯并噻吩衍生物。在辛-2,7-二烯-4-炔-1,6-二醇衍生物中观察到 18 元环醚的形成。