News List

人名反应机理新解,Hodges-Vedejs恶唑合成反应

Nov. 07, 2022

这是喂唑与苯甲醛的加成反应:现有文献将 Hodges-Vedejs 唑合成反应的机理解析为:然而,恶唑开环过程可被硼烷抑止,具体实例如下:此机理解析存在如下问题:由于没有区分离子键与共价键,没有分清反应过程的先后次序,没有认清异腈碳原子作为

Hangzhou keying new list 2/11/2022

Nov. 02, 2022

stock list库存促销油酸咪唑啉Imidazoline oleate (oil-soluble)68052-47-1磷酰基乙酸Phosphonoacetic acid4408-78-0盐酸阿立必利Alizapride hydrochl

Hangzhou keying new list

Nov. 01, 2022

Hangzhou keying new list乙二醇单叔丁基醚(ETB)Ethylene glycol mono-tert-butyl ether7580-85-0艾拉莫德中间体; 2-氨基-1-(2-甲氧基-4-甲磺酰基氨基-5-苯氧基

keying new stock list

Oct. 25, 2022

Here is our new stock list ,lower price and high quality .4-氯-3-氰基苯硼酸4-Chloro-3-cyanophenylboronic acid871332-95-55-溴-2-

new product in Keying

Oct. 14, 2022

new product in Keying烷基烯酮二聚体(AKD)ALKYL KETENE DIMER144245-85-2己二酸二丁酯Dibutyl adipate105-99-7α-松油醇aka a-Terpineol98-55-51-

stock list

Sep. 27, 2022

1,4-聚丁二烯POLYBUTADIENE, PHENYL TERMINATED25038-44-2巯基乙酸Mercaptoacetic acid68-11-1N,N-二甲基丁胺N,N-Dimethylaminobutane927-62-8