反应条件
n-butyllithium; toluene-4-sulfonic acid; diisopropylamine 1.) hexane, THF, 0 deg C, 1 h, 5 deg C, 2 h, 2.) 20 deg C, 15 h; Yield given. Multistep reaction. Title compound not separated from byproducts;
参考文献
Fehr, Charles; Galindo, Jose
Helvetica Chimica Acta, 1986 , vol. 69, p. 228 - 235