in not given according to Schmidt M., et al., Chem. Ber., 1962, 95, 1428;

in benzene-d6 Kinetics; byproducts: butadiene; (N2); degassed mixt. of Sn compd. and Ph2S2 (16 equiv.) in C6D6 was sealed in NMR tube; heated at 100°C; NMR monitoring; not isolated;

1: tetrahydrofuran; methanol 2: benzene View Scheme

in benzene byproducts: p-methoxyhydroxamate; reflux, solid formation; washing (petroleum ether), drying (red. pressure), excess phenol removal(distn.); elem. anal.;