反应条件
in neat (no solvent)
byproducts: benzonitrile; soln. of acetylene compd. and 4-phenyloxazole is heated at 185°C in a sealed tube for 6-7 d; PhCN is removed under vac., chromy. (alumina, hexane), acetylene compd. is removed by absorbing on alumina overnight, washing (hexane), fractional distn. under vac. (mono-substituted furane), chromy. of the non-volatile residue (alumina, hexane);
参考文献
Yang, Yun; Wong, Henry N. C.
Journal of the Chemical Society, Chemical Communications, 1992 , # 8 p. 656 - 658
