Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128265Generated: October 26, 2026

2-Amino-4-methylpyridine → 4-Hydroxy-2-methyl-N-(4-methyl-2-pyridyl)-2H-[1]benzothieno-[2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxide

https://huagongshe.com/reaction/128265

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-4-methylpyridineHCID 1533—
Reactant3-carbomethoxy-4-hydroxy-2-methyl-2H-[1]benzothieno[2,3-e]-1,2-thiazine 1,1-dioxideHCID 54707259—
Product4-Hydroxy-2-methyl-N-(4-methyl-2-pyridyl)-2H-[1]benzothieno-[2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxideHCID 7057870131%

Reaction Steps

Prepared analogous to Example 1 from methyl 4-hydroxy-2-methyl-2H-[1]benzothieno[2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxide and 4-methyl-2-amino-pyridine with a yield of 31% of theory.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259336
Source datasetuspto-grants-1981_03
ORD IDord-719373c544a944ac809712fb3a5f0aee
Source noteuspto-grants-1981_03