苯甲酰氯 、 [(2S,6S,9S)-8,9-Dimethyl-5-((R)-toluene-4-sulfinyl)-1,7-dioxa-spiro[5.5]undec-2-yl]-methanol 生成 Benzoic acid (2S,6S,8R,9S)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-4-en-2-ylmethyl ester 、
Benzoic acid (2S,6S,8S,9S)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-4-en-2-ylmethyl ester