in neat (no solvent) addn. of C5H5N to a 10.45percent soln. of HB(OCH3)2 in B(OCH3)3 at -7°C, warming to room temp., stirring for 24h;; filtration, removal of B(OCH3)3 by vac. distn.;;
in tetrahydrofuran dropwise addn. ofd (CH2)4O*BF3 to a mixture of C5H5N and Na(BH4) in dry THF <40°C, boiling for 3h, filtration, removal of solvent;; washing with H2O, distn. in vac.;;
in pyridine under N2, LiBH4 was dissolved in pyridine, the phenol compd. was added, 10 h, reflux for 20 h; monitored by (11)B NMR; some other minor signals were also detected;
参考文献
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, , vol. 61, # 9 p. 1079 - 1093
