13139-16-7
基本信息
N-叔丁氧羰基-L-异亮氨酸
BOC-L-异缬氨酸
N-叔丁氧基羰基-L-异亮氨酸
N-BOC-L-异亮氨酸
N-BOC-L-异亮氨酸半水合物
N-BOC-L-异亮氨酸, 98+%
BOC-ISOLEUCINE
BOC-L-ILE-OH
BOC-L-ISOLEUCINE
BOC-L-ISOLEUCINE-OH
N-ALPHA-T-BOC-L-ISOLEUCINE
N-ALPHA-T-BUTOXYCARBONYL-L-ISOLEUCINE
N-T-BOC-L-ISOLEUCINE
N-(TERT-BUTOXYCARBONYL)-L-ISOLEUCINE
n-[(1,1-dimethylethoxy)carbonyl]-l-isoleucin
N-Boc-L-isoleucine
N-T-BOC-L-ISOLEUCINE CRYSTALLINE
N-(TERT-BUTOXYCARBONYL)-L-ISOLEUCINE, 98 %
Boc-Ile-OH.5H2O
BOC-L-Isoleucine, 99+%
Boc-lle-OH.1/2H2O
boc-ile-oh,0.5h20
Boc-L-lle-OH
N-ALPHA-T-BUTYLOXYCARBONYL-L-ISOLEUCINE SEMIHYDRATE
Boc-L-isoleucine· 1/2H2O
物理化学性质
| 外观性质 | 白色结晶粉末。熔点:60~69℃ |
| 熔点 | 66-69 °C(lit.) |
| 比旋光度 | 2 º (c=2,CH3COOH) |
| 沸点 | 373.37°C (rough estimate) |
| 密度 | 1.1202 (rough estimate) |
| 折射率 | 2.7 ° (C=2, AcOH) |
| 储存条件 | −20°C |
| 溶解度 | Acetic Acid, DMSO (Slightly), Methanol (Slightly) |
| 酸度系数(pKa) | 4.03±0.22(Predicted) |
| 形态 | Solid |
| 颜色 | White to Off-White |
| 旋光度 (Optical Rotation) | [α]20/D +2.7°, c = 2 in acetic acid |
| 水溶解性 | Soluble in methanol. Insoluble in water. |
| BRN | 1711700 |
| CAS 数据库 | 13139-16-7(CAS DataBase Reference) |
| EPA化学物质信息 | L-Isoleucine, N-[(1,1-dimethylethoxy)carbonyl]- (13139-16-7) |
安全数据
| 危险性符号(GHS) | ![]() GHS07 |
| 警示词 | 警告 |
| 危险性描述 | H335-H315-H319 |
| 防范说明 | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P |
| 危险品标志 | Xn |
| 危险类别码 | 20/21/22-36/37/38 |
| 安全说明 | S24/25 |
| WGK Germany | 3 |
| TSCA | Yes |
| 海关编码 | 29241990 |
应用领域
制备方法
73-32-5
24424-99-5
13139-16-7
一般步骤:将L-异亮氨酸(1.31 g,10 mmol,1.0当量)溶于20.5 mL 1 M NaOH溶液中,置于冰浴中冷却。缓慢加入溶于7 mL二恶烷的二碳酸二叔丁酯(Boc2O,2.62 g,12 mmol,1.2当量)。反应混合物在环境温度下搅拌24小时。随后,用1 M NaOH调节反应液的pH至10,加入乙醚进行相分离。水相用1 M HCl酸化至pH 2,并用乙酸乙酯(EtOAc)萃取。合并的有机相用饱和食盐水洗涤,无水硫酸钠干燥。减压除去溶剂,得到BOC-L-异亮氨酸,为无色油状物(2.20 g,产率95%)。 IR (cm-1): 3292 (w), 2967 (m), 2934 (w), 2880 (w), 1713 (s), 1661 (m), 1504 (m), 1465 (w), 1394 (m), 1368 (s), 1242 (m), 1159 (s), 1121 (m), 1046 (m), 1019 (w), 857 (w), 778 (w), 657 (w). 1H NMR (500 MHz, CDCl3) δ: 0.94 (t, J = 7.3 Hz, 3H, H-6), 0.98 (d, J = 7 Hz, 3H, H-4), 1.15-1.29 (m, 1H, H-5a), 1.46 (s, 9H, H-9/10/11), 1.46-1.54 (m, partially overlapped, 1H, H-5b), 1.83-1.99 (m, 1H, H-3), 4.30 (dd, J = 8.9, 4.6 Hz, 1H, H-2), 5.02 (d, J = 8.9 Hz, 1H, NH). 13C NMR (125 MHz, CDCl3) δ: 11.8 (C-6), 15.7 (C-4), 25.0 (C-5), 28.5 (C-9/10/11), 37.9 (C-3), 58.0 (C-2), 80.2 (C-8), 155.9 (C-7), 177.2 (C-1). HRMS (ESI) m/z: [M-H]- calcd for C11H20NO4 230.13868, found 230.13926. [α]20D +3.6 (c 2.00, CH3OH) (Lit [3]: [α]25D +3.8 (c 1.01, CH3OH)).
参考文献:
[1] Tetrahedron Letters, 2005, vol. 46, # 38, p. 6537 - 6540
[2] Bioorganic and Medicinal Chemistry, 2010, vol. 18, # 17, p. 6340 - 6350
[3] Bioorganic and Medicinal Chemistry, 2014, vol. 22, # 14, p. 3573 - 3586
[4] Tetrahedron, 1992, vol. 48, # 37, p. 8007 - 8022
[5] Tetrahedron, 2006, vol. 62, # 31, p. 7274 - 7283
图谱信息
BOC-L-异亮氨酸(13139-16-7)核磁图(1HNMR)BOC-L-异亮氨酸(13139-16-7)傅里叶红外光谱图BOC-L-异亮氨酸(13139-16-7)红外图谱(IR)BOC-L-异亮氨酸(13139-16-7)Raman光谱知名试剂公司产品信息
BOC-L-Isoleucine, 99+%(13139-16-7) Acros Organics
BOC-L-异亮氨酸价格(试剂级)
| 报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
| 2025/09/19 | A16021 | N-Boc-L-异亮氨酸, 98+% N-Boc-L-isoleucine, 98+% | 13139-16-7 | 25g | 468元 |
| 2025/05/22 | A16021 | N-Boc-L-异亮氨酸, 98+% N-Boc-L-isoleucine, 98+% | 13139-16-7 | 5g | 340元 |
| 2025/05/22 | B1186 | N-(叔丁氧羰基)-L-异亮氨酸半水合物 N-(tert-Butoxycarbonyl)-L-isoleucine Hemihydrate | 13139-16-7 | 5G | 110元 |
