129765-95-3

基本信息
BOC--3-氨基-3-甲基丁酸
N-BOC-3-氨基-3-甲基丁酸
3-[(叔丁氧羰基)氨基]-3-甲基丁酸
3-(tert-butoxycarbonyl)-3-Methylbutanoic acid
3-TERT-BUTOXYCARBONYLAMINO-3-METHYL-BUTYRIC ACID
3-(tert-butoxycarbonylamino)-3-methylbutanoic acid
3-[[(1,1-Dimethylethoxy)carbonyl]amino]-3-methylbutanoic acid
Butanoic acid, 3-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-
2-amino-3,3-dimethyl-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
物理化學性質(zhì)
常見問題列表

625-05-8

24424-99-5

129765-95-3
以3-氨基-3-甲基丁酸(0.59g,5.04mmol)和二碳酸二叔丁酯(1.228mL,5.29mmol)為原料,在二惡烷(10mL)中溶解后,加入1M氫氧化鉀溶液(5.04mL,5.04mmol)。將反應混合物在室溫下攪拌16小時。反應完成后,通過減壓蒸餾除去二惡烷。殘余物用水(20mL)稀釋,并用氫氧化鋰調(diào)節(jié)pH至13。隨后,用乙醚洗滌混合物三次。接著,用2N鹽酸調(diào)節(jié)pH至3,得到混濁溶液。該溶液用乙酸乙酯萃取四次,合并的有機相用少量鹽水洗滌,并用無水硫酸鈉干燥。最后,通過真空濃縮得到N-Boc-3-氨基-3-甲基丁酸(860mg,3.96mmol,收率79%),為結(jié)晶固體。
參考文獻:
[1] Patent: US2010/204274, 2010, A1. Location in patent: Page/Page column 30
[2] Patent: US2012/316147, 2012, A1. Location in patent: Page/Page column 43
[3] Patent: WO2012/168350, 2012, A1. Location in patent: Page/Page column 98; 99
[4] Patent: WO2017/68089, 2017, A2. Location in patent: Page/Page column 321
[5] Patent: WO2017/216726, 2017, A1. Location in patent: Page/Page column 650