New organometallic dioxotungsten (vi) complexes containing N 2 S tridentate ligands: the synthesis and reactivity of chloro and alkyl derivatives

YL Wong, JR Dilworth

文献索引：Wong, Yee-Lok; Dilworth, Jonathan R. Journal of the Chemical Society, Dalton Transactions, 2002 , # 11 p. 2366 - 2370

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摘要

A new series of N-benzyl aliphatic N2S tridentate proligands HLn (n= 2–4) derived from 2-[(2- mercaptoethyl) aminomethyl] pyridine (HL1) has been prepared via the sequential reactions of trimethylsilylation, N-benzylation, and hydrolysis. A previously reported aromatic N2S tridentate proligand, 2-[(2-mercaptophenyl) aminomethyl] pyridine (HL5), is also employed as an ancillary ligand. Reaction of these proligands HLn (n= 1–5) with [WO2Cl2 (DME)]( ...