QUINONES .12. SYNTHESIS AND STRUCTURE OF A P-TERPHENOQUINONE AND PARAMAGNETIC SPECIES DERIVED THEREFROM

被引：29
作者：
BOLDT, P
BRUHNKE, D
GERSON, F
SCHOLZ, M
JONES, PG
BAR, F
机构：
[1] UNIV BASEL,INST PHYS CHEM,CH-4056 BASEL,SWITZERLAND
[2] TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG,INST ANORGAN & ANALYT CHEM,W-3300 BRAUNSCHWEIG,GERMANY
[3] UNIV MARBURG,FACHBEREICH CHEM,W-3550 MARBURG,GERMANY
来源：
HELVETICA CHIMICA ACTA | 1993年 / 76卷 / 04期
关键词：
D O I：
10.1002/hlca.19930760430
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
3,5,3'',5''-Tetra(tert-butyl)-p-terphenoquinone (12b) was synthesized and characterized by its spectroscopic and X-ray structural data. The ground state of 12b is singlet with a strong contribution of a biradical structure. Paramagnetic derivatives of 12b, such as the semiquinone radical anion (12b-) and its O-protonated form, the phenoxy radical (18), were studied by ESR and ENDOR spectroscopy.
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页码：1739 / 1751
页数：13
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