2-硫代水杨醛 、
3-crotonoyl-1,3-oxazolidin-2-one 在
1-(3,5-Bis-trifluoromethyl-phenyl)-3-[(S)-quinolin-4-yl-((2R,4S,5R)-5-vinyl-1-aza-bicyclo[2.2.2]oct-2-yl)-methyl]-thiourea 作用下,
以
乙醚 为溶剂,
反应 4.0h,
生成 3-(4-hydroxy-2-methylthiochroman-3-carbonyl)oxazolidin-2-one 、 rac-(2R,3R,4S)-3-(4-hydroxy-2-methylthiochroman-3-carbonyl)oxazolidin-2-one 、
(2R,3R,4S)-3-(4-hydroxy-2-methylthiochroman-3-carbonyl)oxazolidin-2-one