HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl Acetate → HCID 13653167, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Diazomethane | HCID 9550 | — |
| Reactant | HCID 13653154 | HCID 13653154 | — |
| Catalyst | Tetrafluoroboric acid | HCID 28118 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Product | HCID 13653167 | HCID 13653167 | 70% |
Reaction Steps
To a solution of [3,4-dihydro-2-(2-hydroxy-5-methoxyphenyl)-3-oxo-2H-1,4-benzothiazin-4-yl]acetic acid (compound No. 14, 2.5 g) in ethyl acetate (20 ml) containing one drop of fluoboric acid, diazomethane dissolved in ether is added and standed overnight. The mixture is concentrated in vacuo to give 1.9 g (70%) of the titled compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04584300 |
| Source dataset | uspto-grants-1986_04 |
| ORD ID | ord-210eb5033ac84cee99c3e748f87ae516 |
| Source note | uspto-grants-1986_04 |