三乙基硅烷 、
[(2R,3S,6S)-3-acetyloxy-6-[3-[tert-butyl(diphenyl)silyl]oxyprop-1-ynyl]-3,6-dihydro-2H-pyran-2-yl]methyl acetate 在
biscobalthexacarbonyl complex of 2-methyl-3-butyn-2-ol 作用下,
以
1,2-二氯乙烷 为溶剂,
生成 Acetic acid (2R,3S,6S)-2-acetoxymethyl-6-[(E)-3-(tert-butyl-diphenyl-silanyloxy)-1-triethylsilanyl-propenyl]-3,6-dihydro-2H-pyran-3-yl ester 、 Acetic acid (2R,3S,6S)-2-acetoxymethyl-6-[(E)-3-(tert-butyl-diphenyl-silanyloxy)-2-triethylsilanyl-propenyl]-3,6-dihydro-2H-pyran-3-yl ester