KOH in dichloromethane (N2); std. Schlenk technique; solid (C5H5)2FeBF4 was added to stirred soln. of Fe-P complex in CH2Cl2 at 273 K; stirred for 10 min; KOH was added; stirred for 10 min; evapd. (vac.); dissolved in CH2Cl2/petroleum ether (1/1); chromd. (alumina, 288 K, CH2Cl2/petroleum ether, 1/2, 1/1); evapd.;