نتایج جستجو برای: structure elucidation
تعداد نتایج: 1578347 فیلتر نتایج به سال:
Lycium species is a popular medicinal plant in the traditional Chinese medicine and Lycium ruthenicum is a native medicinal plant of Iran. Lycium genus has several biologically important properties too. Investigation of chemical composition of ethyl acetate extract of this plant is the goal of this study. Two coumarins (Scopoletin and Sculetin) and Methyl-2-hydroxy-4-undecanoxy-trans-cinamate w...
The rootes of Chinese sage, Salvia miltiorrhiza Bunge (labieteae) are used to prepare an important traditional medicine in the Chinese pharmacoepia, Dan Shen. Indeed, related members of this genus are common traditional medicines throughout the world, making Salvia species the targets of intense phytochemical investigations. The active constituents of these species have been reported to be seve...
The first publications on computer-assisted structure elucidation (CASE) appeared more than 50 years ago using IR spectra. Since then, the method has been greatly developed 1D and 2D NMR spectra as main source of structural information. There are several CASE expert systems that have developed, many structures complex natural products elucidated or revised these tools. Even though some may thin...
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