n-butyllithium; diisopropylamine 1) anhydrous THF a) -75 deg C, 0.5h b) 2h 50 deg C 2) 1h -75 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Krapcho, A.Paul; Dundulis, Edward A.
Journal of Organic Chemistry, 1980 , vol. 45, # 16 p. 3236 - 3245