2,2-dimethylpropionic acid 9-(1-phenyl-1H-tetrazol-5-sulfonyl)nonyl ester 、
(8S,9S)-8-(tert-butyldimethylsilanyloxy)-9-methylheptacosanal 在
lithium hexamethyldisilazane 作用下,
以76%的产率得到2,2-dimethylpropionic acid (E/Z)-(17S,18S)-17-(tert-butyldimethylsilanyloxy)-18-methylhexatriacont-9-enyl ester