2-(1-propenyl)-1,3-oxathiane 、
苯乙酮 在
仲丁基锂 作用下,
生成
(2R,3S)-2,3-Dimethyl-2-phenyl-1,6-dioxa-10-thia-spiro[4.5]decane 、 (2R,3S)-2,3-Dimethyl-2-phenyl-1,6-dioxa-10-thia-spiro[4.5]decane 、
(2R,3S)-3-Methyl-4-[1,3]oxathian-(2Z)-ylidene-2-phenyl-butan-2-ol 、 (2R,3S)-3-Methyl-4-[1,3]oxathian-(2Z)-ylidene-2-phenyl-butan-2-ol