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Scilla bifolia L. wax as a source of diverse long‐chain resorcinols and alkane‐1,3‐diols
Chemistry & Biodiversity ( IF 2.9 ) Pub Date : 2020-12-07 , DOI: 10.1002/cbdv.202000811
Miljana R Đorđević 1 , Dragan B Zlatković 1 , Niko S Radulović 1
Affiliation  

GC, GC/MS and NMR analyses of Scilla bifolia washings allowed for the identification of thirty‐six long‐chain compounds belonging to six homologous series (five of which are from the class of resorcinols, a group of biologically important phenols): 1‐alkyl‐3,5‐dimethoxybenzenes, 5‐alkyl‐3‐methoxy‐2‐methylphenols, 3‐alkyl‐5‐methoxyphenols, 5‐alkyl‐2‐methylresorcinols (five compounds from each of the series); 5‐alkylresorcinols (six compounds) and 1,3‐alkanediols (ten compounds). Many of these compounds rarely occur in Nature. Retention indices of these compounds, as well as indices of the corresponding trimethylsilyl derivatives, were reported, some of them for the first time. The exact regiochemistry was unambiguously determined by two‐dimensional NMR experiments; in some cases, the complete NMR assignment was augmented by computer spin‐simulation of 1H‐NMR spectra.

中文翻译:

Scilla bifolia L. 蜡作为多种长链间苯二酚和烷烃-1,3-二醇的来源

Scilla bifolia 洗涤液的 GC、GC/MS 和 NMR 分析允许鉴定属于 6 个同源系列的 36 种长链化合物(其中 5 种来自间苯二酚类,一组具有生物学重要意义的酚类):1-烷基-3,5-二甲氧基苯、5-烷基-3-甲氧基-2-甲基苯酚、3-烷基-5-甲氧基苯酚、5-烷基-2-甲基间苯二酚(每个系列的五种化合物);5-烷基间苯二酚(六种化合物)和 1,3-烷二醇(十种化合物)。许多这些化合物在自然界中很少出现。报告了这些化合物的保留指数以及相应的三甲基甲硅烷基衍生物的指数,其中一些是首次报道。精确的区域化学由二维核磁共振实验明确确定;在某些情况下,
更新日期:2020-12-07
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