solvent, the isolated product differed from that previously reported and is reassingned as 2,6-diphenyl-4-phenylacetylenyl-4-pyran (). On the other hand, in THF the title compound () was obtained; its structure confirmed by single-crystal x-ray crystallography.
                                    苯基
乙炔锂()与2,6-二苯基
高氯酸吡啶鎓()的反应取决于溶剂。以
乙醚为溶剂,分离出的产物不同于先前报道的产物,并重新确定为2,6
-二苯基-4-苯基
乙炔基-4-
吡喃()。另一方面,在THF中得到标题化合物();m / z 254 。通过单晶X射线晶体学证实其结构。