反应条件
boron trifluoride diethyl etherate; ammonium chloride in dichloromethane Ar; -78°C; slow addn. of BF3*Et2O; after 1 h hydrolysed with NH4Cl/H2O at room temp.; yield 44percent (erythro/threo)/trans 91/9;; aq. layer extd. with Et2O; combined organic layers dried over Na2SO4; evapd.; chromd. (Al2O3, CH2Cl2).; identified by 1H-, 13C- and 119Sn- spectroscopy;;
参考文献
Mitchell, Terence N.; Schneider, Ulrich; Heesche-Wagner, Kerstin
Journal of Organometallic Chemistry, 1991 , vol. 411, # 1-2 p. 107 - 120
