KH in dimethyl-ether borane and Me2O condensing onto KH and Bu4NI under N2 at -196°C,volatiles removing by slow warming to -45°C, BBr3 condensing onto the residue at -196°C , warming to 0°C, stirring for 1 h, fractionating; identified by IR spectrum;
Barvian, Mark; Booth, Richard John; Ouin III, John; Thomas Repine, Joseph; Sheehan, Derek J.; Toogood, Peter Laurence; Vanderwel, Scott Norman; Zhou, Hairong
Patent: US2003/149001 A1, 2003 ;
US 20030149001 A1
