反应条件
n-butyllithium
1.) ether, hexane, -70 deg C, 10 min, 2.) -55 to -70 deg C, 15 min;; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Bargar, T. M.; Wilson, T.; Daniel, J. K.
Journal of Heterocyclic Chemistry, 1985 , vol. 22, p. 1583 - 1592