查询词典 hydroxy-acetone

The glycyrrhizic acid antigen is prepared through the process including following steps: dissolving glycyrrhizic acid in N, N-dimethyl formamide, dioxane or dimethyl sulfoxide, heliophobically adding N-hydroxy succinimide, reacting with dicyclohexylcarbodiimide at 0-10 deg.c for 2-5 hr; and reacting with carrier protein at normal temperature for 4-6 hr to obtain glycyrrhizic acid antigen.

本发明所提供的甘草酸抗体，是用甘草酸抗原免疫动物，然后从被免疫动物的血清中分离得到的；所述甘草酸抗原按如下过程制备：先将甘草酸溶解在N，N-二甲基甲酰胺、二氧六环或二甲基亚砜中，避光加入N-羟基琥珀酰亚胺，然后在0-10℃条件下与二环己基碳二亚胺反应2-5小时；接着与载体蛋白常温反应4-6小时，得到甘草酸抗原。

Cells in the induction group were treated with L-DMEM consisting of 10% fetal calf serum and 10 μg/L basic fibroblast growth factor for 24 hours, then induced with L-DMEM consisting of 2% dimethyl sulphoxide and 200 μmol/L butyl hydroxy anisol for 1, 3 and 5 hours.

设立2组，诱导组用含10%胎牛血清和10 μg/L成纤维生长因子的L-DMEM培养基预诱导24 h后，再以含2%二甲基亚砜和200 μmol/L丁羟基茴香醚的L-DMEM无血清培养基诱导1，3，5 h。

Fetal bovine serum, basic fibroblast growth factor and butyl hydroxy anisol, and dimethyl sulphoxide were used in this study.

胎牛血清为杭州四季青产品，成纤维生长因子、丁羟基茴香醚为Sigma公司产品，二甲基亚砜为Amresco产品。

A gelator (G2) synthesized from 1,2,4,5-benzene tetracarboxylic acid and 4-hydroxy pyridine at molar ratio of 1:4 was characterized by 1H-NMR and FT-IR.

采用1H-NMR和FT-IR表征了在摩尔比1：4条件下，由均苯四甲酸和对羟基吡啶合成的一种凝胶因子(G2)。

Tetra-(8-hydroxy-quinolinato) boron complex with tetrahedral-like geometry and 3,3',4,4'-benzophenone tetracarboxylic anion with long-chain structure were successfully intercalated into layered double hydroxides with ion-exchange method.

我们首次选择了两种具有不同构型的光活性物种作为客体，即：具有四面体构型的四-(8-羟基喹啉)硼配合物和具有长链形状的3，3′，4，4′-苯酮四羧酸，得到了两种新的有机无机杂化光功能材料。

Four phenanthroline derivatives of 2-phenyl-imazole [5,6-f]-(1,10) phenanthroline, 2-(4-hydroxy-phenyl)-imazole [5,6-f]-(1,10) phenanthroline, 2-(4-methoxyl-phenyl)-imazole [5,6-f]-(1,10) phenanthroline and 2-(4-formacyl-phenyl)-imazole [5,6-f]-(1,10) phenanthroline were synthesized, and twelve new complexes of europium were then synthesized with these phenanthroline derivatives as the first ligand and butyric acid, n-heptanoic acid and tetradecanoic acid as the second ligand.

合成2-苯基咪唑并[5，6-f]邻菲咯啉，2-（4-苯酚）咪唑并[5，6-f]邻菲咯啉，2-（4-甲氧基苯基）咪唑并[5，6-f]邻菲咯啉和2-（4-甲酰基苯基）咪唑并[5，6-f]邻菲咯啉等4种邻菲咯啉衍生物，并分别以其为第一配体，选择丁酸，正庚酸和十四酸为第二配体合成12种新的铕－邻菲咯啉衍生物－脂肪酸荧光配合物。

Four phenanthroline derivatives of 2-phenyl-imazole [5, 6-f]-(1, 10) phenanthroline, 2-(4-hydroxy-phenyl)- imazole [5, 6-f]-(1, 10) phenanthroline, 2-(4-methoxyl-phenyl)-imazole [5, 6-f]-(1, 10) phenanthroline and 2-(4-formacyl -phenyl)-imazole [5, 6-f]-(1, 10) phenanthroline were synthesized, and twelve new complexes of europium were then synthesized with these phenanthroline derivatives as the first ligand and butyric acid, n-heptanoic acid and tetradecanoic acid as the second ligand.

摘 要：合成2-苯基咪唑并[5， 6-f]邻菲咯啉，2-(4-苯酚)咪唑并[5， 6-f]邻菲咯啉，2-(4-甲氧基苯基)咪唑并[5， 6-f]邻菲咯啉和2-(4-甲酰基苯基)咪唑并[5， 6-f]邻菲咯啉等4种邻菲咯啉衍生物，并分别以其为第一配体，选择丁酸，正庚酸和十四酸为第二配体合成12种新的铕-邻菲咯啉衍生物-脂肪酸荧光配合物。

Results Eleven compounds were obtained and identified as sarcodonin A, scabronine B, 3β-hydroxy-5α, 8a-epidioxyergosta-6, 22-dien,(22E, 24R)-ergosta-7, 22-diene-3β, 5α, 6β-triol,(22E, 24R)-ergosta-7, 22-diene-3β-ol, benzoic acid, 4-hydroxylben-zaldehyde, 4-monopropanoylbenzenediol, ethy1-β-D-glucopyranoside, thioacetic anhydride,(2S, 2'R, 3S, 4R)-2-(2-hydroxyoctadecanoylamino) docosane-1, 3, 4-triol.

结果共分离鉴定了11个化合物，分别是：sarcodonin A、scabronine B、3β羟－5α，5α-过氧麦角甾－6，22-二烯－3β-醇、(22E，24R)-麦角甾－7，22-二烯－3β，5α，6β三醇、(22E，24R)-麦角甾－7，22-二烯－3β-醇、苯甲酸、对羟基苯甲醛、对羟基苯甲酸乙酯、乙基－β-D-吡喃葡萄糖苷、硫代乙酸酐、（25，2'R，3S，4R）-2-（2-羟基－十八碳酰胺）二十二碳烷－l，3，4-三醇。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用&一勺烩&方法，以4-羟基苯甲腈为起始原料，首先与硫氢化钠和无水氯化镁在N，N-二甲基甲酰胺中反应，所得中间体不经分离，直接加入2-氯乙酰乙酸乙酯进行环合反应，得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（2）；然后通过六亚甲基四胺/三氟乙酸进行Duff反应，得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（3）；再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。

Hydroxy-N,N-bis(2-aminoethyl)ethylamine was synthesized by addition alkylation of diethyl triamine with epoxyethane for the first time.

以二乙烯三胺和环氧乙烷为原料，通过加成烷化反应一步合成标题化合物，经多种谱学手段表征确证。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。