Stabilization of neutral oxophlorin π-radicals by bulkymeso-alkyl groups

Stabilization of neutral oxophlorin π-radicals by bulkymeso-alkyl groups
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通过大内消旋烷基稳定中性氧代绿苷 π-自由基

DOI:
10.1039/a607076k
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发表时间:
1997
影响因子:
4.9
通讯作者:
Kevin M Smith
Kevin M Smith
中科院分区:
化学2区
文献类型:
--
作者:
R. Khoury;L. Jaquinod;Amy M. Shachter;Nora Y. Nelson;Kevin M Smith

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15-叔丁基-5-氧代间苯二酚1形成稳定的中性 π-自由基种类2,高产率; 13,17-双-未取代的 5-在类似的条件下,氧代叶绿素类似物5得到 15-异-5-氧代苯并二氢卟啉6和15-羟基化合物7(两者的特征在于: X射线晶体学),后者证明了捕获的 π自由基由分子氧形成。
The 15-tert-butyl-5-oxophlorin 1 forms a stable, neutral π-radical species 2, in high yield; the 13,17-bis-unsubstituted 5-oxophlorin analogue 5, under similar conditions, affords the 15-iso-5-oxophlorin 6 and 15-hydroxy compound 7 (both characterized by X-ray crystallography), the latter demonstrating the trapping of the π-radical by dioxygen.