New type of spin-labeled aminoenal

被引：2

作者：

Tretyakov, E. V. ^{[1
]}

Ovcharenko, V. I. ^{[1
]}

Sagdeev, R. Z. ^{[1
]}

Stass, D. V. ^{[2
]}

Romanenko, G. V. ^{[1
]}

Mareev, A. V. ^{[3
]}

Medvedeva, A. S. ^{[3
]}

机构：

[1] Russian Acad Sci, Int Tomography Ctr, Siberian Branch, Novosibirsk 630090, Russia

[2] Russian Acad Sci, Inst Chem Kinet & Combust, Siberian Branch, Novosibirsk 630090, Russia

[3] Russian Acad Sci, AE Favorsky Irkutsk Inst Chem, Siberian Branch, Irkutsk 664033, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2007年 / 56卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

nitroxides; alkynes; nitrones; 1; 3-dipolar addition; aminoenal; X-ray diffraction analysis; ESR spectra;

D O I：

10.1007/s11172-007-0319-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ethynyl-substituted nitronyl nitroxide is involved in the 1,3-dipolar cycloaddition with cyclic nitrones without affecting the nitronyl nitroxide fragment. The reaction of 2,4,4,5,5-pentamethyl-4,5-dihydro-1H-imidazole 3-oxide produces the corresponding 1,2,3,7a-tetrahydroimidazo[1,2-b]isoxazole derivative. The analog of the latter derived from 4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole 3-oxide is transformed into spin-labeled aminoenal. The solid phase of aminoenal is formed by packing unsymmetrical trimers resulting from the self-assembling of the molecular fragments based on a hydrogen bond network.

引用

页码：2043 / 2047

页数：5

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