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New Sterically Hindered Bis- o- Benzoquinones with Electron-Donor Bridging Groups and Related Binuclear Triphenylantimony(V) Catecholate Complexes
Russian Journal of Coordination Chemistry ( IF 1.9 ) Pub Date : 2020-12-09 , DOI: 10.1134/s1070328420120027
S. Yu. Bukhvalova , E. R. Zhiganshina , T. V. Astaf’eva , M. V. Arsenyev , E. V. Baranov , S. A. Chesnokov , A. I. Poddel’sky

Abstract

New bis-o-benzoquinones (3,5-Q)-6-CH2O–(CH2)n–OCH2-6-(3,5-Q) (n = 2 (L1), 4 (L2), and 6 (L3)) and (3,5-Q)-6-(CH2OCH2)3-6-(3,5-Q) (L4) (3,5-Q is 3,5-di-tert-butyl-o-benzoquinone) with various diol spacers have been synthesized and characterized. The oxidative addition of SbPh3 to these bis-o-benzoquinones affords binuclear triphenylantimony(V) bis(catecholate) complexes Ph3Sb(3,5-Cat)-6-CH2O–(CH2)n–OCH2-6-(3,5-Cat)SbPh3 (IIII, respectively) and Ph3Sb(3,5-Cat)-6-(CH2OCH2)3-6-(3,5-Cat)SbPh3 (IV) (3,5-Cat is 3,5-di-tert-butyl catecholate). The molecular structures of quinones L1–L4 and bis(catecholate) complex I in the crystalline state were determined by X-ray diffraction analysis (CIF files CCDC nos. 1998601 (L1), 1998602 (L2), 1998603 (L3), 1998604 (L4), and 1998605 (In-pentane)).



中文翻译:

具有电子给体桥接基团和相关双核三苯基锑(V)邻苯二甲酸酯配合物的新型位阻双邻苯二醌

摘要

新的双苯醌(3,5-Q)-6-CH 2 O-(CH 2n -OCH 2 -6-(3,5-Q)(n = 2(L 1),4(L 2),6(L 3))和(3,5-Q)-6-(CH 2 OCH 23 -6-(3,5-Q)(L 4)(3,5-Q为3已经合成并表征了具有各种二醇间隔基的(5-二叔丁基--醌)。将SbPh 3氧化添加到这些双-邻-苯醌中,得到双核三苯基锑(V)双(邻苯二酚)配合物Ph 3Sb(3,5-Cat)-6-CH 2 O–(CH 2n -OCH 2 -6-(3,5-Cat)SbPh 3(分别为IIII)和Ph 3 Sb(3,5 -Cat)-6-(CH 2 OCH 23 -6-(3,5-Cat)SbPh 3IV)(3,5-Cat是3,5-二叔丁基儿茶酚酸酯)。通过X射线衍射分析确定了处于结晶状态的醌L 1 -L 4和双(邻苯二酚)配合物I的分子结构(CIF文件CCDC No. 1998601(L 1),1998602(L 2),1998603(L 3),1998604(L 4)和1998605(In-戊烷))。

更新日期:2020-12-10
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