- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1-Boc-D-Pyroglutamic acid ethyl ester
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1-Boc-D-Pyroglutamic acid ethyl ester
- Price: ￥138.0/5g ￥878.0/100g ￥88.0/1g ￥488.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1-BOC-D-PYROGLUTAMIC ACID ETHYL ESTER
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 1-BOC-D-PYROGLUTAMIC ACID ETHYL ESTER 144978-35-8
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
144978-35-8
144978-35-8 structure
- Name: 1-Boc-D-Pyroglutamic acid ethyl ester
- Chemical Name: Ethyl Boc-D-Pyroglutamate
- CAS Number: 144978-35-8
- Molecular Formula: C12H19NO5
- Molecular Weight: 257.283
- Catalog: Biochemical Amino acids and their derivatives Glutamic acid derivative
- Create Date: 2018-04-14 08:00:00
- Modify Date: 2024-01-02 13:45:43
| Name | Ethyl Boc-D-Pyroglutamate |
|---|---|
| Synonyms |
2-Ethyl 1-(2-methyl-2-propanyl) (2R)-5-oxo-1,2-pyrrolidinedicarboxylate
1-tert-Butyl 2-ethyl (2R)-5-oxopyrrolidine-1,2-dicarboxylate 1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(1,1-dimethylethyl) 2-ethyl ester, (2S)- 1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(1,1-dimethylethyl) 2-ethyl ester, (2R)- Boc-D-Pyr-OEt N-Boc-L-pyroglutamic Acid Ethyl Ester Ethyl N-(tert-Butoxycarbonyl)-D-pyroglutamate (R)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester N-(tert-Butoxycarbonyl)-D-pyroglutamic Acid Ethyl Ester 1-O-tert-butyl 2-O-ethyl (2R)-5-oxopyrrolidine-1,2-dicarboxylate N-Boc-D-pyroglutamic Acid Ethyl Ester Ethyl N-Boc-D-pyroglutamate 1-tert-butyl 2-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate 2-Ethyl 1-(2-methyl-2-propanyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate Ethyl (R)-1-Boc-5-oxopyrrolidine-2-carboxylate 1-Boc-D-Pyroglutamic acid ethyl ester (R)-1-Boc-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester Ethyl (R)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylate |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 375.0±35.0 °C at 760 mmHg |
| Melting Point | 54.0 to 58.0 °C |
| Molecular Formula | C12H19NO5 |
| Molecular Weight | 257.283 |
| Flash Point | 180.6±25.9 °C |
| Exact Mass | 257.126312 |
| PSA | 72.91000 |
| LogP | 0.09 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.487 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2933790090 |
|
~99%
144978-35-8 |
| Literature: Bristol-Myers Squibb Company Patent: US2008/9497 A1, 2008 ; Location in patent: Page/Page column 70-71 ; US 20080009497 A1 |
|
~58%
144978-35-8 |
| Literature: EXELIXIS, INC.; IBRAHIM, Mohamed, Abdulkader; JEONG, Joon, Won; JOHNSON, Henry William, Beecroft; KEARNEY, Patrick; LEAHY, James, W.; LEWIS, Gary, L.; NOGUCHI, Robin, Tammie; NUSS, John, M. Patent: WO2010/45580 A1, 2010 ; Location in patent: Page/Page column 87-88 ; WO 2010/045580 A1 |
|
~%
144978-35-8 |
| Literature: US2002/198255 A1, ; US 20020198255 A1 |
|
~%
144978-35-8 |
| Literature: Organic and Biomolecular Chemistry, , vol. 4, # 14 p. 2696 - 2709 |
| Precursor 4 | |
|---|---|
| DownStream 10 | |
![(1S,3S,5S)-3-(Aminocarbonyl)-2-azabicyclo[3.1.0]hexane-2-carboxylic acid tert-butyl ester structure](https://image.chemsrc.com/caspic/330/361440-67-7.png)
![(1S,3S,5S)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid structure](https://image.chemsrc.com/caspic/170/214193-13-2.png)
![(1S,3S,5S)-2-tert-Butyl 3-ethyl 2-azabicyclo[3.1.0]hexane-2,3-dicarboxylate structure](https://image.chemsrc.com/caspic/246/214193-11-0.png)
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |