Formation of quinhydrone-type complexes composed of quinone dimers and trimers bearing t-butyl and n-dodecyl substituents

Formation of quinhydrone-type complexes composed of quinone dimers and trimers bearing t-butyl and n-dodecyl substituents
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DOI:
10.1080/15421400600788617
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发表时间:
2006-01-01
影响因子:
0.7
通讯作者:
Higuchi, Hiroyuki
Higuchi, Hiroyuki
中科院分区:
化学4区
文献类型:
--
作者:
Hayashi, Naoto;Yoshikawa, Takahiro;Higuchi, Hiroyuki

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研究了5,5-二(2-甲基-2-丙基)-2,2-二(1,4-苯醌)(1a)、5,5”-二(2-甲基-2-丙基)-2,2 '; 5',2”-三(1,4-苯醌)(2)和5,5 '-双十二烷基-2,2'-二(1,4-苯醌)(1b)与对苯二酚的络合行为。Ia和2由于叔丁基取代基的庞大性而没有产生络合物,而Ib得到喹氢酮型络合物,其通过X射线粉末衍射(XPD)研究显示为无定形的。
Complexation behavior of 5,5-bis(2-methyl-2-propyl)-2,2-bi(1,4-benzoquinone) (1a), 5,5"-bis(2-methyl-2-propyl)-2,2';5',2"-ter(1,4-benzoquinone) (2), and 5,5'didodecyl-2,2'-bi(1,4-benzoquinone) (1b) with hydroquinone was investigated. la and 2 yielded no complex due to the bulkiness of t-butyl substituents, while 1b afforded quinhydrone-type complex, which was revealed to be amorphous by means of X-ray Powder Diffraction (XPD) study.