1: HNO3 2: H2SO4, silica gel View Scheme

in diethyl ether T=0 - 20°C; Yields of byproduct given;

T=0 - 20°C; Yield given. Yields of byproduct given;

hydrogenchloride; N-Pyrrolidinyllithium 1.) ether, hexane, 0 deg C then warming to r.t.; 2.) 20 deg C, 6 h; Yield given. Multistep reaction. Title compound not separated from byproducts;