(Z)-(3aR,4R,6S,6aR)-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyl-N-(2-methylpropylidene)tetrahydrofuro[3,4-d][1,3]dioxol-4-amine oxide 、
乙基2-乙烯基-1,3-噻唑-4-羧酸酯 以
甲苯 为溶剂,
反应 20.0h,
生成 ethyl 2-((3S,5S)-2-((3aR,4R,6S,6aR)-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-3-isopropylisoxazolidin-5-yl)thiazole-4-carboxylate 、 ethyl 2-((3S,5R)-2-((3aR,4R,6S,6aR)-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-3-isopropylisoxazolidin-5-yl)thiazole-4-carboxylate 、 ethyl 2-((3R,5S)-2-((3aR,4R,6S,6aR)-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-3-isopropylisoxazolidin-5-yl)thiazole-4-carboxylate 、 ethyl 2-((3R,5R)-2-((3aR,4R,6S,6aR)-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-3-isopropylisoxazolidin-5-yl)thiazole-4-carboxylate