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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128279Generated: October 26, 2026

2-Aminopyridine → 2,7-Dimethyl-4-hydroxy-N-(2-pyridyl)-2H-[1] benzothieno [2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxide

https://huagongshe.com/reaction/128279

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminopyridineHCID 10439—
Reactantmethyl 2,7-dimethyl-4-hydroxy-2H-[1] benzothieno [2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxideHCID 70578267—
Product2,7-Dimethyl-4-hydroxy-N-(2-pyridyl)-2H-[1] benzothieno [2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxideHCID 8673764453%

Reaction Steps

Prepared analogous to Example 1 from methyl 2,7-dimethyl-4-hydroxy-2H-[1] benzothieno [2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxide and 2-amino-pyridine with a yield of 53% of theory.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259336
Source datasetuspto-grants-1981_03
ORD IDord-1ee0ec740bd8459ca467dac0246b2cb0
Source noteuspto-grants-1981_03