伯醇

醇结构对MIECC有影响，在反应初速率及平衡产率方面均遵循伯醇>仲醇>叔醇的规律。

The structure of amyl alcohol affects both the initial reaction rate and the ultimate yield of amyl n caprylate in the following sequence : primary alcohol > secondary alcohol > tertiary alcohol .

其中，替代燃料对于直链伯醇分子，特别是C1-C5低碳伯醇分子的报道相对较多，而对于增加碳的支链及相应羟基（-OH）的数目如有机分子多元醇的报道相对较少。

Among them , alternative fuels for the straight-chain primary alcohol molecules , in particular C1-C5 primary alcohols of more reports . But few reports of increase carbon branched-chain and relevant the number of hydroxyl ( - OH ) such as organic molecules polyols .

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。

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

结果表明N，N-1,3-二溴-5,5-二甲基乙内酰脲氧化伯醇及仲醇生成相应的醛或酮；

This test shows that oxidizing primary alcohol , secondary alcohol and α - hydroxyl acid yields corresponding aldehyde or ketone ;

试验表明HZ型固体酸是饱和直链羧酸和伯醇直接酯化的特效催化剂。

Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols .

在研究该粗酶酶学特性后发现该粗酶对5C的伯醇专一性较强；

After investigating the characteristics of the crude enzyme from C.

脱水葡萄糖的C6伯醇羟基易与植酸钠反应；

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

用电化学循环伏安研究了酸性介质中4种有机小分子伯醇（甲醇、乙醇、正丙醇和正丁醇）在Pt电极上吸附和氧化过程。

The processes of adsorption and oxidation of C1 to C4 primary alcohols ( methanol , ethanol , propanol , 1-butanol ) in acid media on Pt electrode were studied by using cyclic voltammetry .

文中还将SAE的性能与非离子表面活性剂伯醇乙氧基化物（PAE）、壬基酚乙氧基化物（NPE）及阴离子表面活性剂十二烷基苯磺酸盐（LAS）进行了比较。

Properties of SAE were compared with nonionic surfactants like primary alcohol ethoxylate ( PAE ), nonylphenol ethoxylate ( NPE ), and anionic surfactants like dodecyl benzene sulfonate ( LAS ) in the report .

钯碳催化的酮与伯醇的α-烷基化反应

Pd / C-catalyzed α - Alkylation of Ketone with Primary Alcohol

醇在铜铬氧化物上的催化脱氢&Ⅰ.伯醇

Catalytic dehydrogenation of alcohols on copper-chromium oxide ⅰ . primary alcohols

改性氧化铝催化伯醇脱水合成1-烯烃研究

Preparation of 1-olefine from primary alcohol dehydration catalyzed by modifying alumina

直链伯醇结构性能关系的理论探讨

Theoretical study on the structure & property relationships of normal primary alcohols

α-烯烃合成伯醇的研究进展

The Progress in Preparation of Primary Alcohol via Selective Reaction of α - Olefins

GB/T14457.7-1993单离及合成香料伯醇或仲醇含量的测定乙酐吡啶法

Isolate and synthetic aroma chemicals & Determination of primary or secondary alcohols content by acetic anhydride-pyridine method

手性伯醇是一种非常重要的精细化学品和药物中间体，其不对称合成方法很少。

Chiral primary alcohols are important fine chemicals and pharmaceutical intermediates , but few synthetic methods were reported .

在有机合成化学中，伯醇氧化合成相应的羧酸是一个重要的转化反应。

The oxidation of primary alcohols to the corresponding carboxylic acids is one of the most important transformations in organic chemistry .

本论文在两相催化体系中实现了由芳香腈到相应伯醇，α，β-不饱和腈到饱和腈的转化，同时催化剂与产物能得到较好地分离，具有应用前景。

In the two-phase catalytic system , we realize the conversion of proper nitriles to alcohols and α,β - unsaturated nitrile to saturated nitriles accordingly .

合理的反应条件是醇的量为丙烯酸甲酯量的4-6倍，过氧化二叔丁基用量为总反应物质量的1%，实验发现直链结构伯醇转化率优于支链伯醇，转化率可达93.1%；

The amount of alcohol in reaction is preferably 4-6 moles per mole of methyl acrylate , and di-tert-butyl peroxide 1 % of all the substrates .

以往所报道的氧化葡萄糖酸杆菌催化的底物基本属于多羟基的糖醇和伯醇，而作用于这些底物的膜结合脱氢酶也一直是研究的热点。

Based on the former research , catalyzing substrate mainly consisted of polyol sugars and primary alcohols and membrane-bound dehydrogenase had been in hot spot study .

方法通过三苯甲醚保护伯醇、氧化仲醇、脱去保护基的方法，合成3酮基12羟基13,14烯穿心莲内酯。

Methods 3-one-12-hydroxy-13,14-ene-andrographolide was synthesized in a three-step route , including protecting primary alcohol of andrographolide by trityl ether , oxidating secondary alcohol and removing protecting group , etc.

乙酰丙酮-亮氨酸-铜体系不仅能够将脂肪醇和芳香醇的仲醇氧化成相应的酮，而且也能将伯醇全部氧化成相应的羧酸。

The N-acac-amino acid-Cu system oxidized not only the sec-alcohols of benzylic and aliphatic alcohols to corresponding ketones , but also the primary alcohol to the corresponding carboxylic acid .

与伯醇相比，两种直链仲醇的脱氢活化能比伯醇低7千卡/克分子左右。

Comparing with primary alcohols , the activation energics of the two kinds of the hydrocarbon chain secondary alcohols are lower by about 7 Koal / mole than that of the primary .

在有无硫酸铁水合物催化剂的情况下，分别测定了2-氯乙酸与六种伯醇的酯化反应速率常数；

The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst , the hydrate of ferric sulphate .

在0.18~0.48V电位区间内，负向电位扫描中伯醇的氧化电流明显比正向电位扫描的大，说明这些伯醇的电氧化中都存在自毒化现象。

In the potential range between 0.18 and 0.46V , the oxidation current density is obviously higher in the NGPS than in the PGPS . The above phenomenon suggests that there is self-poisoning in primary alcohol electro-oxidation .

一般而言，由于位阻的影响，伯醇最易酯化，相同时间转化率最高，仲醇次之，叔醇最差。

Generally speaking , primary alcohols were esterified most easily , and their conversions were the highest during the same time , followed by secondary alcohols , then tertiary alcohols due to the increase in the steric interaction .

在一定温度下通过过氧化二叔丁基作用，丙烯酸甲酯与6个碳以上的伯醇和仲醇反应可选择性合成高纯度内酯系列化合物。

Some lactones of a high purity were selectively prepared by allowing the reaction of methyl acrylate with some primary or secondary alcohols of more than 6 carbon atoms in the presence of di-tert-butyl peroxide at various temperatures .

木材发生α松弛过程的主要原因是吸着水分子的回转取向运动，发生β松弛过程的主要原因是无定形区细胞壁物质中的伯醇羟基基团的运动。

The rotational motion of the adsorbed water molecules is the main reason that lead to the α - relaxation process of wood . The β - relaxation process is due to the motions of the methylol groups of the cell-wall polymers in the non-crystalline region .

在优化条件下，NBS/TBN催化体系能有效地氧化各种伯、仲醇为相应的醛、酮或酯。

Under optimized condition , NBS / TBN catalysed selective aerobic oxidation of a broad range of primary and secondary alcohols , to the corresponding aldehydes , ketones and esters .