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chzhbin金蟲 (職業(yè)作家)
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【求助】翻譯 很簡單
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| 摘要:白黎蘆醇(resveratrol,3,4',5—三羥基—二苯乙烯)為多酚類化合物,是一種存在于自然界的植物抗毒素,主要分布在虎杖、花生、葡萄、百合、桑葚等70余種植物中,近年來發(fā)現(xiàn)其具有抗菌、抗腫瘤、抗血栓、抗氧化、調(diào)節(jié)血脂、保護肝臟等多種有益于人體的生物學(xué)功能,成為人們關(guān)注的焦點,但其天然來源十分有限,且難溶于水,對光熱敏感、化學(xué)性質(zhì)不穩(wěn)定,易被氧化分解,制約了其廣泛應(yīng)用。因此對其合成路線的研究、質(zhì)量標(biāo)準(zhǔn)及制備成合適劑型以提高生物利用度就顯的十分重要,本文以3,5-二甲氧基苯甲醇為原料,經(jīng)過溴代、Arbuzov重排、wittig-horner縮合、脫甲基四步反應(yīng)制備白藜蘆醇,并根據(jù)05版藥典規(guī)定及制備工藝建立相應(yīng)的質(zhì)量標(biāo)準(zhǔn),針對其化學(xué)性質(zhì),將其制備成合適的納米乳制劑并篩選出最佳處方。 |
禁蟲 (職業(yè)作家)
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白黎蘆醇(resveratrol,3,4',5—三羥基—二苯乙烯)為多酚類化合物,是一種存在于自然界的植物抗毒素, As a kind of polyphenol compound, resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a phytoalexin that exists in the nature, |
金蟲 (職業(yè)作家)
金蟲 (正式寫手)
| Abstract: Resveratrol (3,4’,5-trihydroxy-toluylene) as polyphenol compounds is a phytoalexin that mainly exists in 70 species of plants in nature which included polygonum cuspidatum, peanut, grape, lily, mulberry and other. Recently, the study found that resveratrol plays a physiological function in antibiotic, antitumor, antithrombotic, antioxidation, regulating blood lipid and the protection of the liver, which results that it becomes the focus of people's attention. However, the limited sources of natural resveratrol as well as its water-insoluble, optothermall-reactivity, poor chemical stability and oxidative decomposition restrict its application. So that the study of its synthetic method, quality standard and synthesis economical problem of crucial importance. In this paper, resveratrol is synthesized using 3,4-dimethoxy-phemethylolas raw material by bromination, Arbuzov rearrangement, wittig-horner condensation and demethylation. Based on the Chinese Pharmacopoeia (2005 edition) and preparation technology, the corresponding quality standards were built. In addition, based on its chemical properties, proper resveratrol nano-emulsion was prepared, and the optimal preparation process was screened out. |
金蟲 (正式寫手)
金蟲 (職業(yè)作家)
金蟲 (正式寫手)
金蟲 (職業(yè)作家)
金蟲 (正式寫手)
金蟲 (正式寫手)
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