1) Dimethylamino pyridine
二甲氨基吡啶
1.
The synthetic methods of the new type s黳er catalyst 4-dimethylamino pyridine (DMAP) is reviewed, the main methods are classfied as one-step method and two-step method, the o-riginaly raw materials of both are pyridine and its derivates.
对新型高效催化剂4-二甲氨基吡啶(DMAP)的合成方法进行了评述,主要方法有一步法和两步法之分,均以吡啶或其衍生物为起始原料。
2) 4-dimethylaminopyridine
4-二甲氨基吡啶
1.
An improved process for producing 4-dimethylaminopyridine(4-DMAP)from pyridinyl-pyridinium was provided.
对双吡啶盐法合成4-二甲氨基吡啶(4-DMAP)工艺进行了改进,回收了未反应的原料吡啶;同时改进了精制工艺,用石油醚-苯进行结晶代替高真空蒸馏,简化了工艺,有利于工业化生产。
3) DMAP
4-二甲氨基吡啶
1.
The monomenthyl succinate was synthesized by a direct reaction between succinic anhydride and menthol with DMAP as the catalyst in chloroform with a yield of 92.
薄荷醇和琥珀酸酐在4-二甲氨基吡啶的催化作用下,以CHCl3为溶剂,合成凉味剂琥珀酸单薄荷酯。
2.
DCC was used as dehydrating agent and DMAP was used as catalyst for the synthesis of 9′-acryloxyspiroox- azine from 9′-hydroxyspirooxazine and acrylic acid in anhydrous diethyl ether.
用N,N′-二环己基碳二酰亚胺(DCC)为脱水剂,4-二甲氨基吡啶(DMAP)为催化剂合成了9′-丙烯酰氧基吲哚啉螺萘并噁嗪衍生物。
4) 4-Diaminomethylpyridine
4-二氨甲基吡啶
5) Dimethylcarbamic acid 3-pyridinyl ester
二甲氨基甲酸-3-吡啶酯
6) Dimethylaminopyridine
4二甲基氨基吡啶
补充资料：二甲氨基吡啶
CAS:1122-58-3
分子式: C7H10N2
分子量: 122.17
沸点: 162℃
熔点: 110-113℃
中文名称: N,N-二甲基-4-吡啶胺；二甲氨基吡啶；4-二甲氨基吡啶
英文名称: N,N-dimethyl-4-Pyridinamine；4-(Dimethylamino)pyridine；N,N-Dimethyl-4-pyridinamine；4-(dimethylamino)-pyridin；4-dimethylaminopyridine；n,n-dimethyl-4-pyridinamin
分子式: C7H10N2
分子量: 122.17
沸点: 162℃
熔点: 110-113℃
中文名称: N,N-二甲基-4-吡啶胺；二甲氨基吡啶；4-二甲氨基吡啶
英文名称: N,N-dimethyl-4-Pyridinamine；4-(Dimethylamino)pyridine；N,N-Dimethyl-4-pyridinamine；4-(dimethylamino)-pyridin；4-dimethylaminopyridine；n,n-dimethyl-4-pyridinamin
性质描述: 淡黄色晶体。熔点112-114℃。易溶于甲醇、苯、氯仿，难溶于水、环己烷。
生产方法: 将4-羟基吡啶、二甲胺盐酸盐和六甲基磷酰三胺在220℃加热4h。生成的固化反应物用水漂洗，加盐酸在100℃水解1h。冷至室温，搅拌下加入氢氧化钠水溶液，然后用氯仿提取。提取液在用硫酸镁干燥后蒸除溶剂，剩余物用沸腾的己烷提取，热滤，浓缩，结晶，得4-二甲氨基吡啶。收率约55%。
用途: 酰化反应的高效催化剂。
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