25691-37-6

基本信息
BOC-DAB-OH
BOC-L-2,4-DIAMINOBUTYRIC ACID
BOC-L-DAB-OH
N2-BOC-(S)-2,4-DIAMINO-BUTANOIC ACID
N-ALPHA-BOC-L-2,4-DIAMINOBUTYRIC ACID
N-ALPHA-T-BUTOXYCARBONYL-L-ALPHA, GAMMA-DIAMINOBUTYRIC ACID
N-ALPHA-T-BUTYLOXYCARBONYL-L-2,4-DIAMINOBUTYRIC ACID
N-ALPHA-TERT-BUTYLOXYCARBONYL-L-2,4-DIAMINOBUTYRIC ACID
N?Boc-L-2,4-diaminobutyric acid
Na-Boc-L-2,4-diaminobutyric acid
物理化學(xué)性質(zhì)
制備方法

13726-85-7

25691-37-6
以BOC-L-谷氨酰胺為原料合成(S)-4-氨基-2-((叔丁氧羰基)氨基)丁酸的一般步驟:向(S)-5-氨基-2-(叔丁氧基羰基氨基)-5-氧代戊酸(2g,8.1mmol)的DMF與水的混合溶液(1:1,v/v,18ml)中加入吡啶(1.3ml,16.2mmol)。將反應(yīng)混合物在室溫下攪拌5-10分鐘。隨后加入二乙酸碘苯(3.92g,12.1mmol),繼續(xù)攪拌反應(yīng)4小時(shí)。反應(yīng)完成后,向反應(yīng)混合物中加入去離子水(100ml),并用乙酸乙酯(3×100ml)進(jìn)行萃取。合并有機(jī)相,依次用去離子水(100ml)和飽和食鹽水(100ml)洗滌,無(wú)水硫酸鈉干燥后,減壓濃縮得到粗產(chǎn)物。粗產(chǎn)物通過(guò)乙醚研磨純化,蒸發(fā)產(chǎn)物級(jí)分后,得到1.1g(產(chǎn)率62%)目標(biāo)化合物,為棕色固體。LC-MS分析顯示:m/z = 219.1(M + H)。
參考文獻(xiàn):
[1] Synthetic Communications, 2004, vol. 34, # 6, p. 1049 - 1056
[2] Journal of Medicinal Chemistry, 2009, vol. 52, # 15, p. 4650 - 4656
[3] Bioorganic and Medicinal Chemistry, 1999, vol. 7, # 1, p. 161 - 175
[4] Patent: WO2014/151472, 2014, A1. Location in patent: Paragraph 00340-00341
[5] Patent: WO2016/40315, 2016, A1. Location in patent: Paragraph 00383; 00384
報(bào)價(jià)日期 | 產(chǎn)品編號(hào) | 產(chǎn)品名稱(chēng) | CAS號(hào) | 包裝 | 價(jià)格 |
2025/05/22 | H62450 | (S)-4-氨基-2-(Boc-氨基)丁酸, 97% (S)-4-Amino-2-(Boc-amino)butyric acid, 97% | 25691-37-6 | 1g | 400元 |
2025/05/22 | H62450 | (S)-4-氨基-2-(Boc-氨基)丁酸, 97% (S)-4-Amino-2-(Boc-amino)butyric acid, 97% | 25691-37-6 | 5g | 2005元 |
2025/05/22 | XW256913762 | S-4-氨基-2-(叔丁氧羰基氨基)丁酸 | 25691-37-6 | 5G | 190元 |