HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-biphenyl-2-ylmethyl-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione → 9-Hydroxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-biphenyl-2-ylmethyl-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione | HCID 86725801 | — |
| Reactant | 9-Benzyloxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione | HCID 86725821 | — |
| Product | 9-Hydroxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione | HCID 86725824 | 69.3% |
Reaction Steps
9-Hydroxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (32-01) (164 mg, 69%) was synthesized from 9-benzyloxy-2-methyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (31-01) (300 mg, 0.67 mmol) as an off-white solid following the procedure as described for 6-biphenyl-2-ylmethyl-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (12-01).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09045486B2 |
| Source dataset | uspto-grants-2015_06 |
| ORD ID | ord-6c268901eff4426193e31cf504fb3383 |
| Source note | uspto-grants-2015_06 |