HuagongsheHuagongshe Chemistry Print Report · For research reference only
(R)-methyl 5-(3-(3,3-difluoro-5-(hydroxymethyl)-2-oxopyrrolidin-1-yl)propyl)thiophene-2-carboxylate → methyl(R)-5-(3-(3,3-difluoro-5-formyl-2-oxopyrrolidin-1-yl)propyl)thiophene-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | (R)-methyl 5-(3-(3,3-difluoro-5-(hydroxymethyl)-2-oxopyrrolidin-1-yl)propyl)thiophene-2-carboxylate | HCID 90054431 | — |
| Reactant | (R)-methyl 7-(3,3-difluoro-5-(hydroxymethyl)-2-oxopyrrolidin-1-yl)heptanoate | HCID 90054523 | — |
| Product | methyl(R)-5-(3-(3,3-difluoro-5-formyl-2-oxopyrrolidin-1-yl)propyl)thiophene-2-carboxylate | HCID 90054427 | — |
Reaction Steps
(R)-Methyl 5-(3-(3,3-difluoro-5-formyl-2-oxopyrrolidin-1-yl)propyl)thiophene-2-carboxylate was prepared from 12f using the oxidation procedure (Step K) described for the preparation of intermediate 13a from intermediate 12a to afford the title intermediate (80 mg) as a pale yellow oil; TLC Rf 0.60 (solvent system: 7:93 v/v methanol-dichloromethane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09440919B2 |
| Source dataset | uspto-grants-2016_09 |
| ORD ID | ord-80cc36812edf4c4b9f2d337f5603bd04 |
| Source note | uspto-grants-2016_09 |