HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → 4-Hydroxy-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | tert-Butyl 4-hydroxy-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-1-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate | HCID 86709492 | — |
| Product | 4-Hydroxy-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one | HCID 86709493 | — |
Reaction Steps
The title compounds were prepared from Isomers A and B of tert-Butyl 4-hydroxy-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-1-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate, respectively, using TFA in a similar fashion as described previously for I-19. Isomer A: LC/MS: [(M+1)]+=267; Isomer B: LC/MS: [(M+1)]+=267.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08952166B2 |
| Source dataset | uspto-grants-2015_02 |
| ORD ID | ord-6dd321807d534d378b32a3435745dffe |
| Source note | uspto-grants-2015_02 |