Abstract:This study reports a new series of 12 α-lithiated allylic phosphines and phosphine oxides. By incorporating Lewis base donors including diethyl ether (Et 2 O), tetrahydrofuran (THF), N,N,N′,N′,tetramethylethylenediamine (TMEDA), and N,N,N′,N′,N″,-pentamethyldiethylenetriamine (PMDETA), nine complexes were structurally characterized by single-crystal X-ray crystallography. This includes novel dilithiated allylic phosphine 4 [PhP{CHCHCH 2 Li(TMEDA)} 2 ] and a rare hemisolvated lithiated phosphine oxide 6 [{Ph 2 … Show more
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