Synthesis of poly ( fluorene) containing end-group of hydroxy

In this paper, the studies on the microbial transformation and chemical synthesis of the intermediates of steroid drugs and isosteviols have been carried out with biological and chemical methods.

本论文用生物转化和化学合成方法对C19甾体类药物中间体及其衍生物和异斯特维醇羟基衍生物的合成进行了研究。

Copper and zinc complexes with macrocyclic Schiff base containing alcohol hydroxyl were synthesized by reaction of 1,3 bis ( 2 formylphenoxy) 2 propanol with m phenylenediamine by template method.

利用模板法合成1种新的含醇羟基西佛碱型大环冠醚L（7,11-二氮杂-3,15-二氧杂-4,5；8,10；13,14-三苯并环十六-6,11-二烯-1-醇）的铜、锌配合物。

This was confirmed by a degree of alcoholic and aliphatic structures and an increase of aromatic structures, as shown by the FTIR, 13C-NMR analyses.

FTIR，13C-NMR分析结果表明，原料中醇羟基和脂肪结构减少而芳香结构增加了，证实了上述推论。

Sodium phytate was inclined to react with hydroxyl groups of primary alcohol at C 6 of starch molecular.

脱水葡萄糖的C6伯醇羟基易与植酸钠反应；

The post-modification was accomplished by acetalization, esterification and etherification of hydroxyl group of PVA as well as Michael addition reaction.

后期改性是通过PVA上醇羟基的缩醛化酯化、醚化等化学反应以及Michael加成反应等实现。

It was supposed that sodium phytate first reacted with amylopectin and hydroxyl groups of primary alcohol of C6 in starch molecular.

推测支淀粉最先起反应，淀粉的C6的伯醇羟基易于与植酸钠反应。

Guanidino groups and alcoholic hydroxyl groups scarcely possess crosslinking reactivity to OX-2 over pH 5 to 8.

胍基和醇羟基在pH5～8的条件下对OX&2几乎没有交联反应活性。

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；

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。

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%。

PVPP has good appetency, It can remove the polyphenol efficiency through absorbing on surface by combination between the hydroxyl and carbonyl?

PVPP通过酚羟基和羰基之间的氢键结合，进行表面吸附，有效地去除多酚。

The results show that hesperidin can not scavenge hydroxyl radicals ( HO ·) effectively because it contains only two phenol hydroxyls. However, it can form a complex of 2:1 with Cu(ⅱ) through the carbonyl group and the ortho-hydroxyl group.

结果表明，橙皮苷酚羟基含量少，不能有效清除羟基自由基，但是可通过羰基和邻羟基与Cu（II）形成2：1配合物；

Nitrophenyl ferulate was synthesized in one step without the protection of the hydroxyl of ferulic acid in the presence of1,3 dicyclohexylcarbodiimide ( DCC) as the catalyst.

本文采用在1，3二环己基碳化二亚胺（DCC）催化下，无需保护酚羟基，阿魏酸和对硝基苯酚一步反应法直接合成了阿魏酸对硝基苯酚酯。

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；

Studies on C-Glycosides& ⅴ. Protection and Deprotection of Phenolic Hydroxy Group in the Synthesis of Substituted Phenols by Grignard Reagents

碳苷研究&Ⅴ.用Grignard试剂合成取代苯酚中酚羟基的保护及脱保护

Determination for contents of the sulphoacid groups and hydroxy groups in urea modified sulphonating phenolic resin by Conductometric Titration

电导滴定法测定SPU中磺酸基、酚羟基含量

Content of the active groups as carboxyl and hydroxyl etc. in AFA is somewhat higher than one of lower rank coals FA, but similar to one of soil FA.

羧基、酚羟基等活性官能团含量略高于风化煤和泥炭FA，接近于土壤FA。

Conclusion The phenol-ketone structure in the CD ring may be responsible for the tetracycline ′ s bone affinity. The conformation that the structure keeps almost in one plane is necessary for its bone affinity.

结论四环素CD环中酚羟基酮结构可能是该类化合物趋骨活性的贡献部分，它们保持在一个平面内的构象是其具有较高趋骨性的必备条件。

There are large amounts of phenyl hydroxyl groups and a-carbonyl available in the residual lignin of poplar APMP pulps by using' H-NMR spectra analysis.

对杨木APMP浆残余木质素进行了~1H NMR测定，结果表明，残余木质素结构中含有大量的对酚羟基基团和α羰基等结构。

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。