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A dilithium o-phenylenediphosphide [Li(tmeda)] 2 [C 6 H 4 (PR) 2 -1,2] as a [C 6 H 4 (PR – ) 2 -1,2] or [C 6 H 4 (P 2– ) 2 -1,2] synthon: the X-ray structures of C 6 H 4 [PCH 2 CHOCMe 2 OCHCH 2 -RR] 2 -1,2 and [C 6 H 4 {P(SiBu t -P)-1,2}] 3 (µ 3 -SiBu t )(R = SiMe 3 , tmeda…

1992; Royal Society of Chemistry; Issue: 21 Linguagem: Inglês

10.1039/c39920001598

2050-5639

Peter B. Hitchcock, Michael F. Läppert, Ping Yin,

Coordination Chemistry and Organometallics

The crystalline dilithium diphosphide [Li(tmeda)]2[C6H4(PR)2-1,2]1[R = SiMe3, obtained from C6H4(PRR″)2-1,2 (R′= R″= H or R, or R′= H and R″= R)] reacts with H2O, SiCl3Me, or [Zr(η-C5H3R2-1,3)2Cl2] to yield rac- and meso- C6H4(PHR)2-1,2, C6H4(PR2)2-1,2, or [[graphic omitted]R)2-1,2}], respectively; whereas 1 with RR-Me2C(OĊHCH2OTs)2(Ts = toluene-p-sulfonate) or SiButCl3 affords C6H4[[graphic omitted]H2-RR]2-1,2 or [[graphic omitted])-1,2}]3(µ3-SiBut), respectively.