tetrahydrofuran in tetrahydrofuran byproducts: LiO3SMe, H2; N2-atmosphere, 25°C, 0.25 h, stirring; not isolated, reaction followed by (11)B-NMR spectroscopy and H2-volumetry;
tetrahydrofuran in tetrahydrofuran byproducts: Li2SO4; N2-atmosphere, 25°C, 0.25 h, stirring; not isolated, reaction followed by (11)B-NMR spectroscopy;
tetrahydrofuran in tetrahydrofuran byproducts: LiO3SMe, HSiMe3; N2-atmosphere, 25°C, 0.25 h, stirring; not isolated, reaction followed by (11)B-NMR spectroscopy;
tetrahydrofuran in tetrahydrofuran B4H10 dissolved in THF at -80°C, kept at 0°C for 4 h, treated with PH3 at -60°C, allowed to warm to 0°C, stored for67 h; NMR anal.;
tetrahydrofuran in tetrahydrofuran; dichloromethane B4H10 dissolved in THF at -80°C, kept at 0°C for 4 h, treated with PMe3 in CH2Cl2 at 25°C; NMR anal.;
