HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-methoxy-3,4-dihydro-2H-1,4-benzoxazin-3-one → 6-Methoxy-2,4-dihydro-1,4-benzothiazin-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-methoxy-3,4-dihydro-2H-1,4-benzoxazin-3-one | HCID 13204952 | — |
| Reactant | Ethyl [(4-methoxy-2-nitrophenyl)thio]acetate | HCID 13690743 | — |
| Product | 6-Methoxy-2,4-dihydro-1,4-benzothiazin-3-one | HCID 11788809 | — |
Reaction Steps
Prepared from ethyl[(4-methoxy-2-nitrophenyl)thio]acetate (Intermediate 53, 3 g, 11 mmol) according to procedure described for preparation of Intermediate 48. Silica gel chromatography with hexanes/ethyl acetate (3:2) afforded desired product, 2 g (93%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08124602B2 |
| Source dataset | uspto-grants-2012_02 |
| ORD ID | ord-e5f1e67fc15d4ee7bf40c6454c3627b2 |
| Source note | uspto-grants-2012_02 |