HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cyclopentanone → tert-butyl N-[4-[[[(6S)-3-(cyclopentylamino)-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cyclopentanone | HCID 8452 | — |
| Reactant | Sodium triacetoxyborohydride | HCID 5049666 | — |
| Reactant | tert-butyl N-[4-[[[(6S)-3-amino-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate | HCID 145857226 | — |
| Reactant | tert-butyl N-[4-[[[(6S)-3-(benzylamino)-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate | HCID 145857234 | — |
| Product | tert-butyl N-[4-[[[(6S)-3-(cyclopentylamino)-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate | HCID 145857225 | 57.3% |
Reaction Steps
Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (115.2 mg, 0.27 mmol), cyclopentanone (68.1 mg, 0.81 mmol) and NaBH(OAc)3 (217.5 mg, 1.03 mmol) yielded 76.5 mg (57.3%) of intermediate 6a. MS (ESI) 496.1 (M+H+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07094783B2 |
| Source dataset | uspto-grants-2006_08 |
| ORD ID | ord-77ff826270494a869c96dd5332baae40 |
| Source note | uspto-grants-2006_08 |