HuagongsheHuagongshe Chemistry Print Report · For research reference only
N,N-Diethyl 4-bromo-2-chlorobenzamide → (R)-1,3,4,10b-tetrahydro-7-chloro-9-hydroxy-pyrazino[2,1-a]isoindol-6(2H)-one Hydrochloric Acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | N,N-Diethyl 4-bromo-2-chlorobenzamide | HCID 16115931 | — |
| Reactant | 4-bromo-N,N-diethyl-2-(trifluoromethoxy)benzamide | HCID 68687835 | — |
| Reactant | N-(t-butoxycarbonyl)-(+/-)-1,3,4,10b-tetrahydro-9-methoxy-7-trifluoromethoxy-pyrazino[2,1-a]isoindol-6(2H)-one | HCID 68687866 | — |
| Product | (R)-1,3,4,10b-tetrahydro-7-chloro-9-hydroxy-pyrazino[2,1-a]isoindol-6(2H)-one Hydrochloric Acid | HCID 11242816 | — |
Reaction Steps
Prepared according to procedures described in Example 128 Step A with substitution of N-(t-butoxycarbonyl)-(R)-1,3,4,10b-tetrahydro-7-chloro-9-methoxy-pyrazino[2,1-a]isoindol-6(2H)-one, produced by procedures described in example 126 eith the substitution of N,N-diethyl-4-bromo-2-chlorobenzamide for N,N-diethyl-4-bromo-2-trifluoromethoxybenzamide, for N-(t-butoxycarbonyl)-(±)-1,3,4,10b-tetrahydro-9-methoxy-7-trifluoromethoxy-pyrazino[2,1-a]isoindol-6(2H)-one. Followed by the separation of enantiomers according to the procedures described in Example 128 Step D. MS (ESI) 239 (M−Cl).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07244843B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-aa83165687454e1f805ee51432082d6b |
| Source note | uspto-grants-2007_07 |