1-((1S,3R)-3-Hydroxymethyl-isochroman-1-yl)-5-methyl-1H-pyrimidine-2,4-dione 、
(R)-methoxytrifluoromethylphenylacetyl chloride 在
氘代吡啶 作用下,
以
四氯化碳 为溶剂,
生成 (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1S,3R)-1-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-isochroman-3-ylmethyl ester