30951-66-7

基本信息
2-(3-溴苯基)丙烷-2-醇
2-羥基-2-(3-溴苯基)丙烷
2-(3-BROMOPHENYL)PROPAN-2-OL
2-(3-bromophenyl)-2-propanol
3-Bromophenyldimethylcarbinol
3-Bromo-α,α-dimethylbenzenemethanol
Benzenemethanol, 3-bromo-α,α-dimethyl-
物理化學性質
制備方法

618-89-3

75-16-1

30951-66-7
步驟1: 2-(3-溴苯基)-2-丙醇(27)的制備 在氮氣保護下,向裝有75 mmol甲基溴化鎂的75 mL乙醚溶液中,于10分鐘內滴加3-溴苯甲酸甲酯(4.3 g, 20 mmol)溶于25 mL無水THF的溶液。滴加完畢后,將反應混合物緩慢升溫至室溫并攪拌3.5小時。隨后,將反應體系冷卻至0°C,并緩慢加入10% HCl水溶液以淬滅反應。用乙酸乙酯(2×)萃取酸化的混合物,合并有機相,依次用1N NaHCO3溶液和飽和食鹽水洗滌。有機層經(jīng)無水Na2SO4干燥后,減壓濃縮,所得粗產物通過硅膠柱色譜純化,以15%乙酸乙酯/庚烷為洗脫劑,得到4.00 g (18.6 mmol, 93%) 2-(3-溴苯基)-2-丙醇(27),為淡黃色油狀物。
參考文獻:
[1] Patent: WO2005/95326, 2005, A2. Location in patent: Page/Page column 189-190
[2] Journal of Organic Chemistry, 1960, vol. 25, # 10, p. 1691 - 1693
[3] Patent: WO2005/70932, 2005, A2. Location in patent: Page/Page column 51
[4] Patent: WO2015/89067, 2015, A1. Location in patent: Page/Page column 122
[5] Patent: US9126993, 2015, B2. Location in patent: Page/Page column 50