Preparation of Mo and W Complex Containing a New Linear Tetradentate Phosphine Ligand meso-o-C_6H_4(PPhCH_2CH_2Ph_2)_2 from Dinitrogen Complexes trans-[M(N_2)_2(Ph_2PCH_2CH_2PPh_2)_2] (M = Mo, W)

Chirima Arita; Hidetake Seino; Yasushi Mizobe; Masanobu Hidai

首页> 外文期刊>Bulletin of the Chemical Society of Japan >Preparation of Mo and W Complex Containing a New Linear Tetradentate Phosphine Ligand meso-o-C_6H_4(PPhCH_2CH_2Ph_2)_2 from Dinitrogen Complexes trans-[M(N_2)_2(Ph_2PCH_2CH_2PPh_2)_2] (M = Mo, W)

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Preparation of Mo and W Complex Containing a New Linear Tetradentate Phosphine Ligand meso-o-C_6H_4(PPhCH_2CH_2Ph_2)_2 from Dinitrogen Complexes trans-[M(N_2)_2(Ph_2PCH_2CH_2PPh_2)_2] (M = Mo, W)

机译：由反式-[M（N_2）_2（Ph_2PCH_2CH_2PPh_2）_2]的二氮配合物制备含新型线性四齿膦配体的内消旋-o-C_6H_4（PPhCH_2CH_2Ph_2）_2的Mo和W配合物（M = Mo，W）

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A benzene solution of trans-[Mo(Nv_2(dppeh] (la; dppe = Ph_2PCH_2CH_2PPhV and an equimolar amount of dppe was heated at reflux for 2 h under Ar to give [Mo(P_4)(dppe)] (2a; P4 = meso-o-C6~(PPhCH_2CH_2PPhVV, where the new linear tetraphosphine P_4 is presumed to form through condensation of two dppe ligands in the coordination sphere of Mo. The W complex [W(P-4)(dppe)] (2b) and its dppm analogue [W(P_4)(dppm)] (dppm = Ph_2PCH-2PPhv were also prepared from the reactions of trans-[W(N_2)_2(dppe)2] with one equiv of dppe or dppm in toluene at reflux for 2 h under Ar. De- tailed structures of 2a and 2b were determined by X-ray crystallography. In contrast, when the reaction mixtures obtained by treatment of la with excess PR_3 (R = Bun, Et) in place of dppe were cooled down to room temperature under N_2, novel dinitrogen complexes containing the P_4 ligand [Mo(NV(P_4)(PR_3)] formed; these were characterized spectroscopically and by elemental analyses.

机译：在Ar气氛下将反式[Mo（Nv_2（dppeh）（1a; dppe = Ph_2PCH_2CH_2PPhV介观C6〜（PPhCH_2CH_2PPhVV），据推测其中新的线性四膦P_4是通过Mo配位域中两个dppe配体的缩合形成的。W络合物[W（P-4）（dppe）]（2b）和其dppm类似物[W（P_4）（dppm）]（dppm = Ph_2PCH-2PPhv也是由反式[W（N_2）_2（dppe）2]与一当量dppe或dppm在甲苯中回流制得的。在Ar下2 h，通过X射线晶体学测定2a和2b的详细结构，相反，当用过量PR_3（R = Bun，Et）代替la d处理la所得的反应混合物冷却时，到室温，在N_2下，形成了含有P_4配体[Mo（NV（P_4）（PR_3）]的新型二氮配合物;通过光谱和元素分析对其进行了表征。

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《Bulletin of the Chemical Society of Japan》 |2001年第3期|共7页
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Chirima Arita; Hidetake Seino; Yasushi Mizobe; Masanobu Hidai;
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机译：由反式-[M（N_2）_2（Ph_2PCH_2CH_2PPh_2）_2]的二氮配合物制备含新型线性四齿膦配体的内消旋-o-C_6H_4（PPhCH_2CH_2Ph_2）_2的Mo和W配合物（M = Mo，W）
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Preparation of Mo and W Complex Containing a New Linear Tetradentate Phosphine Ligand meso-o-C_6H_4(PPhCH_2CH_2Ph_2)_2 from Dinitrogen Complexes trans-[M(N_2)_2(Ph_2PCH_2CH_2PPh_2)_2] (M = Mo, W)

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