| 钼的含硫配位体络合物对于偶氮类及炔类化合物的络合和活化作用 |
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| 引用本文： | 白明章,李润卿,孙丽娟,陈式棣,王培兰,王积涛.钼的含硫配位体络合物对于偶氮类及炔类化合物的络合和活化作用[J].结构化学,1982(1). |
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| 作者姓名： | 白明章 李润卿 孙丽娟 陈式棣 王培兰 王积涛 |
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| 作者单位： | 南开大学元素有机化学研究所
(白明章，李润卿，孙丽娟，陈式棣，王培兰)，南开大学元素有机化学研究所(王积涛) |
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| 摘 要： | 本文改进了Jownt合成MoOS_2P(OEt)_2]_2的方法,还发现了两个新的合成方法。合成了新加合物MoO(S_2CNEt_2)_2·(Ac)(Ac=CH≡CCH_2OH,CH≡CCH_2OEt,CH≡CCH_2C1,CH≡CCH_2Br,HOCH_2C≡CCH_2OH)和MoOS_2P(OEt)_2]_2·(EtO_2CN=NCO_2Et)。研究了Mo_2O_3S_2P(OEt)_2]_4·、MoO(S_2P(OEt)_2)_2、Mo_2O_3(S_2CNEt_2)_4、MoO(S_2CNEt_2)_2,Mo_2O_3(S_2COEt)_4(以下分别简写为P(5)、P(4)、N(5)、N(4),O(5))络合和活化炔类化合物的性能,并发现与炔键络合的是Mo(Ⅳ)络合物,且含硫配位体的供电子能力愈强,Mo(Ⅳ)络合物络合和活化炔键的能力亦愈强。
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Gomplexalion and Activation of Azo-compounds and Alkynes by Molybdenum Complexes with Sulfur-containing Ligands |
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| Abstract: | Jowict's procedure of synthesizing the complex MoOS2P(OEt)2]2 has been improved, and two new methods have been found. The new adduct .MoOS2P-(OEt)2]2(EtO2CN = NCO2Et) and five new adducts MoO(S2CNEt2)2·(Ac) (Ac = CH≡CCH2OH, CH≡CCH2OEt, CH≡CCH2Cl, CH≡CCH2Br, HOCH2C≡CC_ H2OH) have been synthesized.It has been found that it is the Mo(Ⅳ) complexes that combine with alkynes, and that the greater the capability of sulfur-containing .ligands to supply electrons, the easier will be the Mo(Ⅳ) complexes to combine with and activate C-C triple bond.According to the rule mentioned above, we deem that the probable suggested by Hodgson etal. on the basis of EXAFS, is reasonable. Recently, Prof. Lu Jiaxi et al. have proposed the probable precursors of FeMo-co, i. e. compounds of G-series. Among these compounds, we believe KB (MoFeS2(SH)2Cl2]2-) may be the real active species. |
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