烯醇

This Thesis consists of the following five pacts: Following a brief Introduction on the mechanism of reactions of coenzyme NADH models with activated ethylenic compounds is discussed. Pross-Shaik treatment is employed to analyze the results.

本论文研究了：(1)辅酶NADH模型物和活化烯烃氧化还原反应的机理，并运用Pross-Shaik构型混合模型分析了这些反应的机理；(2)用辅酶NAD~+／NADH模型物催化氧化一级和二级苄醇，还原α，β-环氧酮。

A SPE procedure was suggested for extracting and concentrating fisetin by using different volume fractions of ethanol in aqueous solution as the loading conditions.

分别以中药黄栌的主要成分非瑟酮为印迹分子、丙烯酰胺为功能单体及乙二醇二甲基丙烯酸酯为交联剂，通过封管聚合法合成了分子印迹聚合物；将其装于自制的固相萃取柱中，研究了以不同体积比的乙醇-水溶液为溶剂时非瑟酮在柱上的保留行为；通过优化清洗及洗脱条件，使非瑟酮与它的结构相似物槲皮素在柱上得到了很好的分离。

In order to enhance the compatibility of ABS/PP/CaCO3 composites, the effects of reactive blends of the composites were studied by using Haake rheometer. The effects of various assistant cross-linkingers, such as castor oil, triallyl isocyanurate, turpentine (JS-1) and glycol dimethacrylate, and the used amount of cross-linkinger-dicumyl peroxide on the torques of the melting composites were investigated.

为提高ABS/PP/CaCO3复合材料相容性，采用转矩流变仪观察了ABS/PP/CaCO3三元复合物反应性共混后的扭矩，考察了不同的助交联剂蓖麻油、异氰脲酸三烯丙酯、松香酯(JS-1)、二甲基丙烯酸乙二醇酯以及交联剂过氧化二异丙苯的用量对共混物的影响。

They may contain long carbon chain with hydroxy or amino, unsaturated fatty acid, phenyl glucoside, mannitol, benzoic acid, isomaltose and galactose estimated by particular analyzed chart.

含有带羟基或氨基的长碳链、烯酸结构、异麦芽糖、β-D-苯基葡糖苷、甘露醇、苯甲酸和β-D-半乳糖成分。

The paper discussed how docosahexaenoic acid regulated transcription expression of lipogenic and lipolytic genes, which included PPARγ(peroxisome proliferators activated receptor γ), SREBP-1c (sterol regulatory element binding protein-1c), FAS, HSL (hormone-sensitive lipase) and TGH.

探讨二十二碳六烯酸对小鼠脂肪组织和肝脏生脂相关基因过氧化物酶增殖物激活受体γ、固醇调节元件结合蛋白－1c基因(SREBP-1c)、脂肪酸合成酶基因，及脂解相关基因激素敏感脂酶基因和甘油三酯水解酶时序表达的影响。

A series of 3 - aryl - 3 -( 5,5 - dimethyl - 3 - hydroxy - 2 - cyclohexene - 1 - one - 2 - yl) propanoic ester s were synthesized by reaction between aromatic aldehydes ,5,5- dimethyl -1,3-cyclohexanedione and isopropylidene malonate catalyzed by KF - Al2O3 in alcohols.

在KF-Al_2O_3催化下，将芳香醛3，5-二甲基-1，3-环己二酮及丙二酸亚异丙酯在醇中反应，一锅式合成了一系列的3-芳基-3-(5，5-二甲基-3-羟基-2-环己烯-1-酮-2-基)丙酸酯。

The present doctoral dissertation was carried out to study the chemical constituents isolated from stems of two medicinal schisandraceous plants.34 compounds were isolated from the ethanol extracts of the stems S.henryi collected in the Jiangxi province by various column chromatographies.27 of them were identified on the basis of spectral analysis.There are 18 lignans,(including 5 dibenzocyclooctadienes,6 aryltetralins,2 tetrahydrofurans,3 diarylbutanes,2 other lignans),3 flavanols,2 glyceroesters,1 naphthoquinone,1 xanthine and 2 steroids,of which 6 compounds were new compounds,and 7 compounds were isolated from this family for the first time.

采用多种色谱技术进行分离纯化，从翼梗五味子藤茎的乙醇提取物中分离到34个化合物，综合运用现代波谱学技术鉴定了27个化合物，包括木脂素类化合物18个(其中联苯环辛烯类木脂素5个，芳基四氢萘类木脂素6个，四氢呋喃类木脂素2个，二芳基丁烷类3个，其他类型木脂素2个)，黄烷醇类化合物3个，甘油酯类化合物2个，萘醌类化合物1个，黄嘌呤类化合物1个，甾体类化合物2个，其中，5个为新化合物，7个为本科首次报道。

We have investigated on the chemical constituents of Nepeta partite collected from Gansu Zhuanglang, and twenty eight compounds were isolated from the methanol extraction of this species by chromatography techniques. Twenty five compounds were identified by means of chemical and spectra methods IR, FABMS, EI-MS,〓, DEPT, and 2D NMR）, among which four compounds were new as isopimar-15-en-3β, 8β, 20-triol; phenylethanal-3-O-（2'-glycerin）-5-O-β-D-glucopyranoside; 3-O-linolenoylglyceryl-6'-O-(α-D-galactopyranosyl）-β-D-galactopyranoside; ethyl rosemarinate.

我们对采自甘肃庄浪的康藏荆芥进行了化学成分的研究，利用层析手段从该植物的甲醇浸膏中分离出二十八个化合物，经化学方法和波谱技术（红外，质谱，一维和二维核磁共振谱）鉴定了二十五个化合物的结构，其中四个为新的化合物，它们分别是：异海松-15-烯-3β，8β，20-三醇；苯乙醇-3-O-（2'-甘油基）-5-O-β-D-吡喃葡萄糖甙；3-O-亚麻酰基甘油-6'-0--β-D-吡喃半乳糖甙；迷迭香酸乙酯。

Androstenedione and dehydroepiandrosterone as a new steroid material attracts people's attention because of the shortage of diosgenin resource and successful synthesis of AD by degradation of sterols. The followings were included in this thesis: 1. 24 new oxime-ether and oxime-ester compounds from AD were synthesized by cleavage of A-ring through NaIO_4/KMnO_4 oxidation, ring closure by amination, oximation with hydroxylaminechloride in C-17 position.

甾体药物的合成原料一般为薯蓣皂素、剑麻皂素、番麻皂素等，随着薯蓣资源日渐枯竭，使得甾体药物工业不得不寻求新的原料，而微生物降解胆固醇和植物甾醇合成雄烯二酮获得成功，使得AD成为新兴的甾体原料吸引了人们的注意。

The intermediate which obtained from oximation of 7a-e reacted withmethyl N-(2-bromomethylphenyl)-N-methoxycarbamate to synthesize oxime ether methyl carbamate 3a-e.

以邻位卤代苯甲醛和3-丁烯-2-醇为原料通过钯催化&一锅法&反应合成了2-乙酰基茚7a-e，7a-e 肟化之后和N-(2-溴甲基苯基)-N-甲氧基氨基甲酸甲酯反应合成了肟醚类氨基甲酸甲酯3a-e，进一步胺解之后得到了肟醚类氨基甲酰甲胺3f-j。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。