n-butyllithium in hexane; pentane byproducts: butane; to soln. of t-BuOH in pentane dropwise added soln. of BuLi in hexane, then slowly added cold (0 °C) soln. of B complex in pentane, stirred for 0.5 h at room temp.; LiBr removed by centrifuging, solid extd. with pentane, combined ext. distd.;

pyridine in dichloromethane; pentane byproducts: (C5H5NH)Br; under N2; to soln. of 1-hexene in CH2Cl2 slowly added soln. of BHMe2*SMe2, stirred at room temp. for 3 h; soln. of B complex in CH2Cl2 slowly added to cold (0 °C) mixt. of t-BuOH, pyridine and pentane, warmed to room temp., stirred for 0.5 h; org. layer sepd. from solid, solid extd. with pentane, combined ext. evapd., distd.;