tetrabutyl-ammonium chloride; N,N-dimethyl-S-methylthioformamizium tosylate in chloroform
T=50°C; 4 h;
参考文献
Nozaki, Kenji; Yoshihara, Masakuni; Enomura, Kazunori; Matsubara, Yoshio; Maeshima, Toshihisa
Phosphorus and Sulfur and the Related Elements, 1985 , vol. 22, p. 131 - 134