in methanol; N,N-dimethyl-formamide T=70°C; 1 h; Title compound not separated from byproducts;
参考文献
Yamauchi, Kiyoshi; Nakagima, Toru; Kinoshita, Masayoshi
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2787 - 2792