copper(I) bromide; lithium bromide in tetrahydrofuran; diethyl ether T=-60 - 20°C; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Nakamura, Tadashi; Iwasaka, Shin-ichi; Nakano, Hideyuki; Inoue, Kazuhiko; Nogami, Takashi; Mikawa, Hiroshi
Bulletin of the Chemical Society of Japan, 1987 , vol. 60, # 1 p. 365 - 368