methanesulfonic acid in tetrahydrofuran byproducts: (CH3)3B; dropwise addn. of CH3Li (1 equiv.) to soln. of C6H11B(OCH3)2 (2.5 mmol) in THF at -78°C via syringe; stirring at -78°C for 3 h; addn. of CH3SO3H at -78/25°C; warming slowly to room temp.; stirring at room temp.;; not isolated; product distribution (depending on temp. at which the acid is added) is determined by 11B-NMR;;
参考文献
Brown, Herbert C.; Vasumathi, Nagarajan; Joshi, Navalkishore N.
Organometallics, 1993 , vol. 12, p. 1058 - 1067
3β,17β-dihydroxy-17α-methylandrost-5-ene in diethyl ether; hexane; toluene T=-78°C;
参考文献
Maruoka, Keiji; Itoh, Takayuki; Sakurai, Minoru; Nonoshita, Katsumasa; Yamamoto, Hisashi
Journal of the American Chemical Society, 1988 , vol. 110, p. 3588 - 3597
