HuagongsheHuagongshe Chemistry Print Report · For research reference only
Carbon Dioxide → (S)-3-tert-Butoxycarbonylamino-4-oxo-5-(2,2,2-trifluoro-ethyl)-2,3,4,5-tetrahydro-benzo[b][1,4]diazepine-1-carboxylic acid cyclopropylmethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Carbon Dioxide | HCID 280 | — |
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | Bromomethylcyclopropane | HCID 81503 | — |
| Reactant | [(S)-2-Oxo-1-(2,2,2-trifluoro-ethyl)-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl]-carbamic acid tert-butyl ester | HCID 69039568 | — |
| Product | (S)-3-tert-Butoxycarbonylamino-4-oxo-5-(2,2,2-trifluoro-ethyl)-2,3,4,5-tetrahydro-benzo[b][1,4]diazepine-1-carboxylic acid cyclopropylmethyl ester | HCID 69039698 | — |
Reaction Steps
In an analogous manner to that described in Example 106a, the reaction of [(S)-2-oxo-1-(2,2,2-trifluoro-ethyl)-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl]-carbamic acid tert-butyl ester [Example 107b] with carbon dioxide and bromomethyl-cyclopropane in presence of cesium carbonate yielded the title compound as a white foam; MS: m/e=475 (M+NH4)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07160875B2 |
| Source dataset | uspto-grants-2007_01 |
| ORD ID | ord-dd8b8e54edf64e04ba8c245aa3c0fd8d |
| Source note | uspto-grants-2007_01 |