2-(PHENYLTELLUROMETHYL)TETRAHYDROFURAN (L-1) AND 2-(2-(4-METHOXYPHENYL)TELLUROETHYL)-1,3-DIOXOLANE (L-2) AND THEIR PALLADIUM(II) AND PLATINUM(II) COMPLEXES

Batheja R.; Singh AK.

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2-(PHENYLTELLUROMETHYL)TETRAHYDROFURAN (L-1) AND 2-(2-(4-METHOXYPHENYL)TELLUROETHYL)-1,3-DIOXOLANE (L-2) AND THEIR PALLADIUM(II) AND PLATINUM(II) COMPLEXES

机译：2-（苯甲基甲基）四氢呋喃（L-1）和2-（2-（4-甲基苯甲基）甲基）-1,3-二氧戊环（L-2）及其钯（II）和铂（II）络合物

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The nucleophile [ArTe-] generated ill situ borohydride solution of Ar2Te2, reacts with 2-(chloromethyl) tetrahydrofuran and 2-(2-bromoethyl)-1,3-dioxolane resulting in L-1 and L-2, respectively. The complexes of palladium(II) and platinum(II) with L-1/L-2 having stoichiometries [MCl2 . L-2], [ML2](ClO4)(2), [(DPPE)ML2](ClO4)(2), [(PPh3)(2)ML2](ClO4)(2) and [(phen)ML2](ClO4)(2) (where L = L-1/L-2 DPPE = Ph2PCH2CH2PPh2, phen = 1,10-phenanthroline and M = Pd/Pt) have been synthesized. IR, H-1, Te-125{H-1} and P-31{H-1} NMR and UV-vis spectral data of these species in conjunction with their molar conductance and molecular weight data have been used to authenticate the new species. In all complexes (1-20) the ligands L-1 and L? are coordinated through tellurium and in the complexes of formula [ML2](ClO4)(2) (M = Pd, Pt) the ligand is bidentate with the oxygen atom used in complexation. In solution, complexes PtCl2L2 exist as a mixture of cis and trans isomers whereas only the trans isomer was observed for the palladium analogues. The [(phen)PdL2](ClO4)(2)(Q) quenches O-1(2) readily. The plot of log [Q] vs time is linear. Mechanism compatible with the experimental observations is proposed. (C) 1997 Elsevier Science Ltd. [References: 30]

机译：Ar2Te2的亲核体[ArTe-]生成的原位硼氢化物溶液与2-（氯甲基）四氢呋喃和2-（2-溴乙基）-1,3-二氧戊环反应，分别生成L-1和L-2。钯（II）和铂（II）与具有化学计量比的L-1 / L-2的配合物[MCl2。 L-2]，[ML2]（ClO4）（2），[（DPPE）ML2]（ClO4）（2），[（PPh3）（2）ML2]（ClO4）（2）和[（phen）ML2]合成了（ClO4）（2）（其中L = L-1 / L-2 DPPE = Ph2PCH2CH2PPh2，phen = 1,10-菲咯啉，M = Pd / Pt）。这些物种的IR，H-1，Te-125 {H-1}和P-31 {H-1} NMR和UV-vis光谱数据以及其摩尔电导和分子量数据已用于验证新物质种类。在所有的配合物（1-20）中，配体L-1和L1与L2配位。通过碲进行配位，在式[ML2]（ClO4）（2）（M = Pd，Pt）的配合物中，配体与配合中使用的氧原子是二齿的。在溶液中，复合物PtCl2L2以顺式和反式异构体的混合物形式存在，而钯类似物仅观察到反式异构体。 [[phen] PdL2]（ClO4）（2）（Q）可以轻松淬灭O-1（2）。对数[Q]与时间的关系图是线性的。提出了与实验结果兼容的机理。（C）1997 Elsevier Science Ltd. [参考：30]

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《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |1997年第24期|共9页
作者
Batheja R.; Singh AK.;
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正文语种 eng
中图分类化学;无机化学;
关键词
Tellurium; Ligand; Palladium; Platinum; 2-(phenyltelluromethyl) tetrahydrofuran; 2-(2-(4-methoxyphenyl)telluroethyl)-1; 3-dioxolane; Organotellurium ligands; Coordination chemistry; Photosensitizers; Tellurium;

机译：碲;配体;钯;铂;2-（苯基碲甲基）四氢呋喃;2-（2-（4-甲氧基苯基）碲乙基）-1;3-二氧戊环;高铁碲配体;配位化学;光敏剂;碲;

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2-(PHENYLTELLUROMETHYL)TETRAHYDROFURAN (L-1) AND 2-(2-(4-METHOXYPHENYL)TELLUROETHYL)-1,3-DIOXOLANE (L-2) AND THEIR PALLADIUM(II) AND PLATINUM(II) COMPLEXES

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