苯基锂 、
3-溴丙炔 、
{4,5-dihydro-4,4-dimethyl-2-(η6-phenyl)oxazole}-ricarbonyl chromium 在
(2S,3S)-2,3-dimethoxybutane 作用下,
生成 4,4-Dimethyl-2-((5R,6R)-6-phenyl-5-prop-2-ynyl-cyclohexa-1,3-dienyl)-4,5-dihydro-oxazole 、 4,4-Dimethyl-2-((5S,6S)-6-phenyl-5-prop-2-ynyl-cyclohexa-1,3-dienyl)-4,5-dihydro-oxazole