HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 4,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | 4,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid ethyl ester | HCID 57900086 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 4,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid | HCID 86634848 | 61.7% |
Reaction Steps
A solution of 4,5-dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid ethyl ester (1 eq, 1.9 mmol, 530 mg), and sodium hydroxide (5 eq, 9.6 mmol, 385 mg), in THF (5 ml) and water (5 ml) was allowed to stir at RT for 3 hrs. Reaction concentrated in vacuo and the solid washed with water to give 4,5-dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid (290 mg, yield 58%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07928248B2 |
| Source dataset | uspto-grants-2011_04 |
| ORD ID | ord-5acbade887724e009c40cd5decb338b1 |
| Source note | uspto-grants-2011_04 |