in dichloromethane Mn complex treated with up to 5 equiv. of PPN(BH4) at room temp. in CH2Cl2 under N2, react. time 2 h; extd. with hexane; detected by NMR and IR;

in diethyl ether; dichloromethane byproducts: LiCl; LiBH4 and org. compd. reacted in CH2Cl2-Et2O at room temp.;