2-methyl-5-[5-(3,4,5-trichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-furan-3-carbaldehyde 、
Tert-butylcarbamate 、
三氟乙酸 、
三乙基硅烷 、
乙腈 在
碳酸氢钠 、
乙酸乙酯 、
氯化钠 、
magnesium sulfate 、 crude product 、
{2-methyl-5-[5-(3,4,5-trichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]furan-3-ylmethyl}carbamic acid tert-butyl ester 作用下,
以
乙酸乙酯 为溶剂,
反应 20.0h,
以to yield {2-methyl-5-[5-(3,4,5-trichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-furan-3-ylmethyl}-carbamic acid tert-butyl ester (2.10 g, compound 2.4 in Table 2) as a light yellow foam的产率得到{2-methyl-5-[5-(3,4,5-trichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]furan-3-ylmethyl}carbamic acid tert-butyl ester