144978-35-8
基本信息
OC-D-焦谷氨酸乙酯
BOC-D-焦谷氨酸乙酯
N-BOC-D-焦谷氨酸乙酯
1-BOC-D-焦谷氨酸乙酯
BOC-D-焦谷氨酸乙酯 25G
N-(叔丁氧羰基)-D-焦谷氨酸乙酯
N-(叔丁氧羰基)-D-焦谷氨酸乙酯
144978-35-8
Boc-D-PyrogL
BOC-D-Pyr.Oet
Ethyl Boc-D-Pyroglutamate
Ethyl N-Boc-D-pyroglutamate
N-Boc-D-pyroglutamic Acid Ethyl
BOC-D-PYROGLUTAMIC ACID ETHYL ESTER
N-Boc-D-pyroglutamic acid ethyl ester
1-BOC-D-PYROGLUTAMIC ACID ETHYL ESTER
物理化学性质
| 熔点 | 54.0 to 58.0 °C |
| 沸点 | 375.0±35.0 °C(Predicted) |
| 密度 | 1.182±0.06 g/cm3(Predicted) |
| 储存条件 | Keep in dark place,Sealed in dry,Room Temperature |
| 酸度系数(pKa) | -4.15±0.40(Predicted) |
| 形态 | 粉末晶体 |
| 颜色 | 白色到近乎白色 |
| 旋光度 (Optical Rotation) | Consistent with structure |
| InChI | InChI=1S/C12H19NO5/c1-5-17-10(15)8-6-7-9(14)13(8)11(16)18-12(2,3)4/h8H,5-7H2,1-4H3/t8-/m1/s1 |
| InChIKey | YWWWGFSJHCFVOW-MRVPVSSYSA-N |
| SMILES | N1(C(OC(C)(C)C)=O)C(=O)CC[C@@H]1C(OCC)=O |
安全数据
| 危险性符号(GHS) | ![]() GHS07 |
| 警示词 | 警告 |
| 危险性描述 | H315-H319-H335 |
| 防范说明 | P261-P305+P351+P338 |
| 海关编码 | 2933.79.8500 |
制备方法
24424-99-5
7149-65-7
144978-35-8
以(S)-5-氧代吡咯烷-2-羧酸乙酯(20g,0.127mol)和二碳酸二叔丁酯(30.5g,0.14mol)为原料,在0℃下,将二碳酸二叔丁酯的乙腈(150mL)溶液缓慢加入含有(S)-5-氧代吡咯烷-2-羧酸乙酯和4-(二甲基氨基)吡啶(1.55g,0.013mol)的反应瓶中。反应混合物在室温下搅拌过夜后,进行真空浓缩。残余物通过快速色谱法(洗脱剂:30%乙酸乙酯/己烷)纯化,得到Boc-D-焦谷氨酸乙酯(163A,32.5g,100%),为油状物。1H NMR(CDCl3,400MHz)δ4.58(1H,dd,J = 3.0,9.5Hz),4.22(2H,q,J = 7.3Hz),2.56-2.66(1H,m),2.48(1H,ddd,J = 3.8,9.6,13.1Hz),2.25-2.35(1H,m),1.97-2.04(1H,m),1.48(9H,s)和1.28(3H,t,J = 7.3Hz)。
参考文献:
[1] Patent: US2008/9497, 2008, A1. Location in patent: Page/Page column 70-71
[2] Patent: EP2272825, 2015, B1. Location in patent: Paragraph 0138; 0139
[3] Organic Preparations and Procedures International, 2001, vol. 33, # 4, p. 405 - 409
[4] Organic and Biomolecular Chemistry, 2006, vol. 4, # 21, p. 3894 - 3897
[5] Patent: US2011/34438, 2011, A1. Location in patent: Page/Page column 25-26
常见问题列表
BOC-D-焦谷氨酸乙酯价格(试剂级)
| 报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
| 2025/12/22 | HY-W003605 | BOC-D-焦谷氨酸乙酯 Boc-D-Pyr-Oet | 144978-35-8 | 25 g | 175元 |
| 2025/12/22 | HY-W003605 | BOC-D-焦谷氨酸乙酯 Boc-D-Pyr-Oet | 144978-35-8 | 50 g | 280元 |
| 2025/12/22 | E0940 | N-(叔丁氧羰基)-D-焦谷氨酸乙酯 Ethyl N-(tert-Butoxycarbonyl)-D-pyroglutamate | 144978-35-8 | 1g | 215元 |
