phenolic hydroxyl

and then the phenolic hydroxyl group protected β-amino alcohols reacted with ferrocene chloride and then cyclized forming the oxazolines.

然后酚羟基保护后的β-氨基醇与二茂铁甲酰氯反应，经过关环形成嗯唑啉。

互联网摘选

the alkylation of phenolic hydroxyl group in berbamine

小檗胺酚羟基的烷基化

互联网摘选

The results showed that the surface of the activated carbon may contain some functional groups, such as hydroxyl, carboxyl, pHenolic hydroxyl, amino and pHospHorus-containing functional groups etc, part of the carbon atom formed relatively stable lamellar grapHite structure after activated.

分析结果表明，自制的牛粪活性炭可能含有醇羟基、羧基、酚羟基、氨基以及含磷基团等官能团，经过活化后的产品中一部碳原子形成了比较稳定的片层石墨结构。

互联网摘选

The smaller molecular weight of humic acids is, the more oxygen groups such as carboxyl and phenolic hydroxyl it contains, the more reaction between the low molecular weight and humic acid, the greater absorption of humic acid.

腐殖酸分子量越小，含有的羧基和酚羟基等含氧官能团越多，低分子量腐殖酸级分与纳米TiO2的配位体反应程度较高，腐殖酸吸附量也越大。

互联网摘选

adsorption of aniline and benzene on phenolic resin prepared by inverse suspension polymerization and modified by phenolic hydroxyl group

反相悬浮制备酚羟基修饰酚醛树脂对苯和苯胺的吸附

互联网摘选

All K atoms coordinate with O atoms of phenolic hydroxyl group and nitro-group simultaneously.

所有的K离子均同时与酚 羟基 和硝基的氧原子配位.

互联网摘选

in order to introduce the phenolic hydroxyl group, we designed four salicylaldehyde schiff base ligands, it indicated that this class of systems achieved the best catalytic effect.

为引入酚羟基，本文设计合成了四种水杨醛席夫碱配体，以这些配体构筑的催化体系催化模板反应，均能取得中等偏上的产率，是催化效果最好的一类配体。

互联网摘选

Determination of the Content of Phenolic Hydroxyl Groups in Lignin and Pulp with FC-Method

FC法测定木素和纸浆中的酚羟基

互联网摘选

IR absorption spectra indicated that the relative percentage contents of phenolic hydroxyl in LTPs were reduced to 68 4%-80 7% compared with that of TP ( 104%).

红外吸收光谱表明，LTP分子中仍存在酚羟基，但酚羟基的相对含量由TP的104%减少到684%～807%。

互联网摘选

In addition, compared with acidic lignin from stalk, aliphatic hydroxyl content of the lignin from pith was higher, phenolic hydroxyl and methoxy content were lower;

另外，与秆部木素相比，髓芯木素中醇羟基含量较高，酚羟基和甲氧基含量较低。

互联网摘选

These illustrated that selective inhibition of TOP ⅱα might originate from the middle of the phenolic hydroxyl groups on the B ring.

这些说明选择性抑制TOPⅡα的活性可能来源于中间B环上的酚羟基。

互联网摘选

The results showed that the coordination bonds were formed between Y(ⅲ) ions and phenolic hydroxyl group of PUF.

结果表明，三异丙氧钇中Y（Ⅲ）与PUF中酚羟基上的氧形成了配位键；

互联网摘选

Furthermore, the pH effect of photoionization of tyrosine resulting from deprotonation of phenolic hydroxyl group in alkaline solution was demonstrated.

进一步阐明，酪氨酸光电离的pH效应源于其酚羟基的电离。

互联网摘选

it shows that the carbon black which contains higher phenolic hydroxyl group and quinonyl group on its surface has better dispersing capability.

研究发现：表面的酚羟基以及醌基含量高的炭黑在莰烯中的分散性能较好。

互联网摘选

Ten mononuclear complexes with phenolic hydroxyl Schiff base ligands have synthesized.

以酚羟基Schiff碱为配体设计合成了十个单核过渡金属配合物。

互联网摘选

The carboxylic groups in hemicellulose and the phenolic hydroxyl and ester groups in lignin are the major bonding sites for copper, as confirmed by FTIR.

另外，经FTIR证实，铜与木材作用时，主要是半纤维素中的羧基团和木质素中的酚羟基及芳基酯基与铜成键。

互联网摘选

The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.

腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。

互联网摘选

Results indicated that contents of carboxyl, phenolic hydroxyl and sulfonic groups decreased with increased M_w.

研究表明，随着Mw增大，羧基、酚羟基、磺酸基的含量减小。

互联网摘选

cytoprotection from radiation damage to the submandibular gland by glycoside with phenolic hydroxyl group from scutellaria baicalensis georgi ( gsbg) in mice

黄芩中酚性甙类对小鼠颌下腺放射损伤的细胞保护作用

互联网摘选

Sodium ferulate ( SF), extracted from DangGui, containing phenolic hydroxyl has the antioxidative activity.

阿魏酸钠（SF）是当归的水溶性单体提取成分，含有酚羟基，具有抗氧化活性。

互联网摘选

organic antimony compounds ⅰ. the action of antimonous acid on organic compounds containing phenolic hydroxyl group

有机锑化合物Ⅰ.含有酚型羟基团的有机结构和亚锑酸的作用

互联网摘选

the result of the infrared spectrum anlysis showed that the phenolic hydroxyl group reacted with the epoxy group and the condensation reaction was occurred between the methyl groups of phenolic resin.

红外光谱分析表明，导电胶在发生固化反应的过程中，酚醛树脂的酚羟基与环氧树脂的环氧基发生了反应，同时，酚醛树脂的羟甲基间也发生了缩合反应。

互联网摘选

The TP-RE compounds were characterized by IR, UV-Vis, TEM, SEM, EDX and fluorescence spectrum ect. The result shows that TP ligands with RE~ ( 3+) ions through the ester carbonyl and phenolic hydroxyl.

通过IR、UV-Vis、TEM、SEM、EDX、荧光光谱等分析手段对茶多酚稀土配合物进行表征，结果表明：稀土离子可与TP的酯羰基和酚羟基配位；

互联网摘选

NMR study of proton dissociation processes of two complexans containing phenolic hydroxyl groups

含酚羟基氨羧络合剂质子解离过程的NMR研究

互联网摘选

These results similar to those derivatives of compound H2, which showing phenolic hydroxyl of ring A was a key group.

这与化合物H2衍生物的活性结果相似，这些同样说明A环的邻二酚羟基是活性关键基团。

互联网摘选