HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Chloro-4-hydroxybenzoic acid hydrate → (R)-1,3,4,10b-tetrahydro-7-methylthio-pyrazino[2,1-a]isoindol-6(2H)-one hydrochloric acid salt
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Chloro-4-hydroxybenzoic acid hydrate | HCID 53395443 | — |
| Reactant | (+/-)-N-(t-butoxycarbonyl)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one | HCID 68688757 | — |
| Reactant | (+/-)-N-(t-butoxycarbonyl)-1,3,4,10b-tetrahydro-7-methylthio-pyrazino[2,1-a]isoindol-6(2H)-one | HCID 68691317 | — |
| Product | (R)-1,3,4,10b-tetrahydro-7-methylthio-pyrazino[2,1-a]isoindol-6(2H)-one hydrochloric acid salt | HCID 11402999 | — |
Reaction Steps
Prepared according to procedures described in Examples 59 and 60 with substitution of 2-(methylthio)benzoic acid for 2-chloro-4-hydroxybenzoic acid hydrate in Example 59, Step A, and (±)-N-(t-butoxycarbonyl)-1,3,4,10b-tetrahydro-7-methylthio-pyrazino[2,1-a]isoindol-6(2H)-one (Example 45) for (±)-N-(t-butoxycarbonyl)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one in Example 60, Step A. MS (ESI) 235.2 (M−Cl).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07244843B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-27724c4bc4ea4b4b81cbc464ac103c5d |
| Source note | uspto-grants-2007_07 |