HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Bromoethanol → Methyl(3R,4R)-4-{[(benzyloxy)carbonyl]amino}-1-(2-hydroxyethyl)piperidine-3-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Bromoethanol | HCID 10898 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | methyl (3S,4R)-4-{[(benzyloxy)carbonyl]amino}piperidine-3-carboxylate | HCID 58999552 | — |
| Reactant | Methyl(3S,4R)-4-{[(benzyloxy)carbonyl]amino}-1-(2-hydroxyethyl)piperidine-3-carboxylate | HCID 66774341 | — |
| Product | Methyl(3R,4R)-4-{[(benzyloxy)carbonyl]amino}-1-(2-hydroxyethyl)piperidine-3-carboxylate | HCID 66775250 | 60% |
Reaction Steps
Methyl(3S,4R)-4-{[(benzyloxy)carbonyl]amino}piperidine-3-carboxylate (WO 2005/066176) (2.0 g, 6.84 mmol), N,N-diisopropylethylamine (1.8 mL, 10.26 mmol) and 2-bromoethanol (0.63 mL, 8.9 mmol) were reacted as described for Intermediate 37 to give 1.38 g (60%) of the product as a colorless oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08124602B2 |
| Source dataset | uspto-grants-2012_02 |
| ORD ID | ord-a93e1beab31e45d18ca2c0cc35b245d6 |
| Source note | uspto-grants-2012_02 |