1) acylation
酰化反应
1.
2-methyl 6-acylnaphthalene from 2-methylnaphthalene was synthesized via acylation using acetic anhydride and propionyl chloride as the acylating agents with catalyst aluminum trichloride in homogeneous liquid phase system.
为制备重要的化合物2-甲基6-酰基萘,提高酰化产物的收率和纯度,以2-甲基萘为原料,分别研究了乙酸酐和丙酰氯为酰化剂时的酰化反应,对酰化反应的产物进行了GC、FT-IR和GC-MS表征;对酰化反应的影响因素进行了研究。
2.
The acylation of sec-butanol with acetic anhydride was studied by using chitosan sulfate as the heterogeneous catalyst.
以壳聚糖硫酸盐为非均相催化剂,对仲丁醇与乙酸酐之间的酰化反应进行了研究,考察了催化剂质量、醇酐物质的量比、反应时间对乙酸仲丁酯收率的影响。
3.
The effects of weight-average molecular mass(Mw) of konjac glucomannan(KGM) and acyl donors on its acylation catalyzed by an immobilized lipase Novozym 435 in t-BuOH were investigated.
研究了在有机介质叔丁醇中魔芋葡甘聚糖(KGM)的分子量及酰基供体对固定化脂肪酶Novozym 435催化KGM乙酰化反应的影响。
2) Acylation reaction
酰化反应
1.
The effects of reaction time and catalyst on the resultant chitosan structure were investigated and characterized by 1H-NMR and IR,whose results suggest that O-acylation reaction is undertaken mainly.
考察了催化剂和反应时间对丁酰化反应的影响。
3) acylating reaction
酰化反应
1.
The acylating reactions occuring at β-position of pyridine are usually conducted in harsh conditions.
吡啶环作为一种缺π电子的芳杂环,其酰化反应一般需要在较强烈的反应条件下才能进行,且酰化主要发生在β位上。
5) acylation
酰基化反应
1.
1% yields by acylation of amino acid methyl esters with 1-butyl-2-(trichloroacetyl) pyrrole instead of pyrrole-2-carbonyl chloride as the acylating agent.
在室温下,氨基酸甲酯和1-丁基-2-三氯乙酰基吡咯经酰基化反应,以81。
2.
p-Methoxyacetophenone was synthesized by Friedel-Crafts acylation of anisole with acetic anhydride using phosphotungstic acid as catalyst.
以苯甲醚和乙酸酐为原料,在磷钨酸催化作用下,通过Friedel-Crafts酰基化反应合成了对甲氧基苯乙酮;考察了催化剂预处理温度、原料配比、催化剂用量、反应温度、反应时间、催化剂种类对产物收率的影响;考察了传统磁力搅拌加热、微波辐射、超声波辐射3种加热方式对酰基化反应的影响。
3.
A series of N-(pyrrole-2-carbonyl)-amino acid methyl esters were synthesized by acylation of amino acid methyl esters with 2-(trichloroacetyl)pyrroles, without using pyrrole-2-carbonyl chloride as an acylating agent, at room temperature in 80.
在室温条件下 ,氨基酸甲酯和 2 三氯乙酰基吡咯经酰基化反应 ,以 80 3 %～ 95 6%的产率合成了系列N ( 2 吡咯甲酰基 )氨基酸甲酯 ,通过1HNMR ,IR ,MS和元素分析对其结构进行了表征 。
6) acylation reaction
酰基化反应
1.
1,2-Aceanthrylenedione was synthesized through the acylation reaction of anthracene and oxalyl chloride catalyzed by anhydrous AlCl3.
研究了以高活性Lewis酸无水三氯化铝(AlCl3)为催化剂,蒽和草酰氯为反应物合成1,2-蒽乙二酮的酰基化反应。
2.
2-(4'-methylbenzoyl) benzoic acid (MBBA) was synthesized by acylation reaction of toluene with phthalic anhydride in the presence of alchlor, the optimum synthesis conditions were: molar ratio of alchlor: toluene : phthalic anhydride = 2: 1 : 6, reaction temperature was 50℃, reaction time was 4h, yield of MBBA was 91.
以甲苯和苯酐为原料,在三氯化铝的催化下发生酰基化反应生成2-(4’-甲基苯甲酰)苯甲酸(MBBA),最佳合成条件为:n(AICl3):n(苯酐):n(甲苯)=2:1:6,反应温度50℃,反应时间4小时,MBBA收率为91。
3.
The development of Friedel-Crafts acylation reaction was reviewed with 19 references according to four types of catalysts such as chloride, triflate, zeolite, metal or nonmetal etc.
对 Friedel-Crafts酰基化反应的最新研究进展按催化剂的类型分金属氯化物、三氟甲磺酸盐、沸石、金属或非金属等四类进行了综述。
补充资料：N-酰化
分子式：
CAS号：
性质：在一个分子中的氮原子上发生酰化反应，引入酰基。常用的酰基化试剂是酸酐、酰氯和羧酸酯。
CAS号：
性质：在一个分子中的氮原子上发生酰化反应，引入酰基。常用的酰基化试剂是酸酐、酰氯和羧酸酯。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条