1314910-43-4

基本信息
2-(氮雜環(huán)丁-3-亞基)乙腈鹽酸鹽
3-Cyanomethylene-azetidinium
2-(azetidin-3-ylidene)acetonitrile (hydrochloride)
2-(3-Azetidinylidene)acetonitrile hydrochloride (1:1)
物理化學性質(zhì)
制備方法

1153949-11-1

1314910-43-4
通用方法:將3-(氰基亞甲基)氮雜丁烷-1-羧酸叔丁酯(1.0 g,5.15 mmol)和4 M HCl的二惡烷溶液(10 mL)加入50 mL反應(yīng)燒瓶中,在氬氣保護下,將反應(yīng)混合物置于冰浴中攪拌2.5小時,期間觀察到白色固體逐漸析出。反應(yīng)進程通過薄層色譜(TLC)進行監(jiān)測。反應(yīng)完成后,對反應(yīng)混合物進行抽濾,所得濾餅用無水乙醚洗滌,干燥后得到2-(氮雜環(huán)丁-3-亞基)乙腈鹽酸鹽(1e)(600 mg,收率:90.0%,白色固體),該產(chǎn)物無需進一步純化,直接用于后續(xù)反應(yīng)。
參考文獻:
[1] Patent: EP3360878, 2018, A1. Location in patent: Paragraph 0082; 0085; 0151; 0154; 0158; 0161; 0165; 0168
[2] Patent: WO2016/125080, 2016, A2. Location in patent: Page/Page column 10; 11
[3] Patent: US2014/256941, 2014, A1. Location in patent: Paragraph 0145
[4] Patent: US2009/233903, 2009, A1. Location in patent: Page/Page column 63-64
[5] Patent: WO2013/40863, 2013, A1. Location in patent: Page/Page column 109-110