690632-38-3
690632-38-3 structure
- Name: tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate
- Chemical Name: tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate
- CAS Number: 690632-38-3
- Molecular Formula: C18H22BrNO4
- Molecular Weight: 396.276
- Create Date: 2019-01-02 11:38:50
- Modify Date: 2024-01-12 16:23:30
| Name | tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate |
|---|---|
| Synonyms | tert-butyl 6-bromo-4-oxospiro[3H-chromene-2,4'-piperidine]-1'-carboxylate |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 501.3±50.0 °C at 760 mmHg |
| Molecular Formula | C18H22BrNO4 |
| Molecular Weight | 396.276 |
| Flash Point | 257.0±30.1 °C |
| Exact Mass | 395.073212 |
| PSA | 55.84000 |
| LogP | 4.60 |
| Vapour Pressure | 0.0±1.3 mmHg at 25°C |
| Index of Refraction | 1.596 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2934999090 |
|
~85%
690632-38-3 |
| Literature: Solvay Pharmaceuticalss GmbH Patent: US2007/117823 A1, 2007 ; Location in patent: Page/Page column 13 ; |
|
~99%
690632-38-3 |
| Literature: CEPHALON, INC.; PHARMACOPEIA, INC. Patent: WO2009/97567 A1, 2009 ; Location in patent: Page/Page column 62 ; WO 2009/097567 A1 |
| Precursor 3 | |
|---|---|
| DownStream 1 | |
![6-Bromospiro[chroman-2,4'-piperidin]-4-one hydrochloride structure](https://image.chemsrc.com/caspic/314/921760-46-5.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |