4,5-Dihydro-2-(1-alkyl- or 1-aryl-sulfinylnaphthalen-2-yl)-4,4-dimethyloxazoles 3–6 undergo substitution reactions on treatment with Grignard reagents; the optically active sulfoxide 14 on treatment with 1-naphthylmagnesium bromide furnished the 1,1-binaphthyl 15 in 60% enantiomeric excess (e.e.).
4,5-二氢-2-(1-烷基-或1-芳基-亚磺酰基
萘-2-基)-4,4-二甲基
恶唑3-6用
格氏试剂处理后发生取代反应;用1-
萘基
溴化镁处理光学活性亚砜14,得到对映体过量(e.e.)60%的1,1-联
萘15。