1127-13-5

基本信息
4-羥基-二環(huán)【2,2,2】辛烷-1羧酸
4-羥基雙環(huán)[2.2.2]辛烷-1-甲酸
Bicyclo[2.2.2]octane-1-carboxylic acid, 4-hydroxy-
物理化學(xué)性質(zhì)
制備方法
![4-溴雙環(huán)[2.2.2]辛烷-1-羧酸甲酯](/CAS/20130318/GIF/CB72619180.gif)
23062-51-3

1127-13-5
以4-溴雙環(huán)[2.2.2]辛烷-1-羧酸甲酯為原料合成4-羥基二環(huán)[2,2,2]辛烷-1-羧酸的一般步驟:向含有677mg制備實(shí)施例55步驟A產(chǎn)物的反應(yīng)瓶中加入65mL 10% NaOH水溶液。將反應(yīng)混合物置于100℃油浴中攪拌反應(yīng)42小時(shí)。反應(yīng)完成后,將混合物濃縮至15mL,隨后用30mL 1N HCl水溶液稀釋。用12N HCl水溶液調(diào)節(jié)混合物的pH至1,然后用EtOAc(5×70mL)進(jìn)行萃取。合并有機(jī)相,用無水MgSO4干燥,過濾后濃縮,得到540mg 4-羥基二環(huán)[2,2,2]辛烷-1-羧酸,收率為89%。[MH]+ = 171。
參考文獻(xiàn):
[1] Patent: WO2006/128184, 2006, A2. Location in patent: Page/Page column 174
[2] Journal of Organic Chemistry, 1970, vol. 35, p. 917 - 923
[3] Patent: US2010/267738, 2010, A1. Location in patent: Page/Page column 34
[4] Patent: WO2012/145569, 2012, A1. Location in patent: Page/Page column 136
[5] Patent: WO2015/5901, 2015, A1. Location in patent: Page/Page column 609