HuagongsheHuagongshe Chemistry Print Report · For research reference only
methyl 2H-chromene-3-carboxylate → Methyl chroman-3-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | methyl 2H-chromene-3-carboxylate | HCID 1475903 | — |
| Reactant | Methyl 6-(chlorosulfonyl)chromane-3-carboxylate | HCID 20766016 | — |
| Product | Methyl chroman-3-carboxylate | HCID 14838402 | — |
Reaction Steps
Compound 17A was prepared according to the method of example 3A utilizing compound 16C. Compound 17A was prepared in 95% yield. MS: 193 (M−1)+. Preparation of 6-Chlorosulfonyl-chroman-3-carboxylic acid methyl ester (Compound 17B)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06867224B2 |
| Source dataset | uspto-grants-2005_03 |
| ORD ID | ord-389d14d3b01945c5889958c4af514a89 |
| Source note | uspto-grants-2005_03 |