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。