α-羟基,α-hydroxyl英语短句,例句大全

α-羟基,α-hydroxyl
1)α-hydroxylα-羟基
1.1,3-Dicarbonyl compounds were oxidized by oxygen in the presence of 5%Pd/C in DMF using K2CO3 as a base at room temperature to provide α-hydroxylated compounds.以碳酸钾作碱,DMF作溶剂,5%Pd/C催化1,3-二羰基化合物在室温下与氧气反应,直接得到α-羟基化合物,其结构经NMR和MS表征。

英文短句/例句

1.Studies on the Synthesis and Applications of α-Hydroxy Ketene-(S, S)-Acetals;α-羟基二硫缩烯酮的合成及应用研究
2.ESI-MS Fragmentation Pathways of α-Hydroxy Phosphonatesα-羟基膦酸酯的电喷雾质谱裂解方式
3.Synthesis of β-(3,4-Dihydroxyphenyl)-α-hydroxy Propionic Acid Estersβ-(3,4-二羟基苯基)-α-羟基丙酸异丙酯/冰片酯合成研究
4.Study on synthesis of α-hydroxycyclohexylphenylketone in one step一步法合成α-羟基环己基苯基甲酮的研究
5.Proteolytic enzymes catalyze oligomerization of the .alpha.-hydroxy carboxylic acid and .alpha.-amino acid.蛋白水解酶催化α-羟基羧酸和α-氨基酸的低聚化。
6.Coupling Reaction of α-hydroxyl Ketene Dithioacetals with Carbon Nucleophiles;α-羟基二硫缩烯酮与碳亲核体的偶联反应
7.Studies on the Reaction of Steroid C_(11)α-hydroxylation by Rhizopus Nigricans;黑根霉催化甾体C_（11）α-羟基化反应的研究
8.Studies on Synthesis of α-hydroxyarylacetic Acids & Its Intermediates;α-羟基芳香乙酸及其中间体的合成研究
9.Mammal Alpha-Hydroxybutyrate Dehydrogenase Determination and Its Clinical Significance;哺乳动物α-羟基丁酸脱氢酶的测定及临床意义
10.The Synthesis of α-hydroxy Phosphonate Compounds without Solventsα-羟基取代膦酸酯类化合物的无溶剂法合成
11.Synthesis of 3'-Azido-3'-Deoxythymidine-α-Hydroxyphosphonate Derivatives3'-叠氮-3'-脱氧胸苷-α-羟基膦酸酯衍生物的合成
12.Fluorination Reaction of α-Hydroxyl-γ-amino-phosphonate with Different Amino Protection Groups不同氨基保护下的α-羟基-γ-氨基磷酸酯的氟化反应
13.Study on the Protective Effects and Mechanisms of Potassium 2-(1-Hydroxypentyl)-benzoate (dl-PHPB) in Cerebral Ischemia;2-（α-羟基戊基）苯甲酸钾盐（dl-PHPB）对脑缺血的治疗作用及机制研究
14.Synthesis ofα-nitryl-δ-p-hydroxy-phenyl butadieneα-硝基δ-对羟基苯基-(1,3)丁二烯的合成
15.Generation and α-hydroxyalkylation of a Novel 3-piperidinol N-α-carbanion intermediate3-羟基哌啶氮α-碳负离子的形成及α-羟烷化反应
16.Study on Synthesis of 2-Hydroxy-3-Pinanone from α-Pineneα-蒎烯合成2-羟基-3-蒎酮的研究
17.Hydroxylation of Poly( α pinene)and Polymerization of Poly( α Pinene) Based Macromonomer聚α-蒎烯羟基化和聚α-蒎烯大分子单体的聚合性能
18.Inclusion of Hydroxypropyl-β-Cyclodextrin with α-Mangostin羟丙基-β-环糊精对α-山竹黄酮的包合作用

相关短句/例句

α-hydroxylationα-羟基化
1.Studies on α-Hydroxylation of Ticyclic Carboxylates;三环羧酸酯的α－羟基化反应研究
2.Asymmetric epoxidation of α,β-unsaturated aldehyde/ketone as well as olefin, and asymmetric α-hydroxylation of carbonyl compounds catalyzed by various types of organocatalysts are reviewed in this paper.综述了不同类型的有机催化剂催化的α,β-不饱和醛酮、烯烃的不对称环氧化反应及羰基化合物的不对称α-羟基化反应,并对催化特点及催化机理作了详细的描述。
3)α-hydroxy esterα-羟基酯
4)α-Hydroxy ketonesα-羟基酮
1.α-Hydroxy ketones are frequently involved in biologically important compounds and,therefore,the determination of the stereochemistry of these structural elements has attracted the attention in natural products chemistry.手性α-羟基酮化合物是很多天然产物不对称合成的重要中间体。
5)α-hydroxy acidα-羟基酸
1.Analysis of use of α-hydroxy acid in cosmetics;化妆品中α-羟基酸的使用情况分析
2.Polydepsipeptides, the copolymers of α-hydroxy acids and α-amino acids,are the most important representative of biocompatible biodegradable polyesteramids.聚(α-羟基酸/α-氨基酸)是一种新颖而优良的可降解生物材料,它兼具聚α-羟基酸和聚α-氨基酸的优点,近年来得到人们越来越广泛地重视和研究。
6)α-oxyaldehydesα-羟基醛