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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1422720Generated: November 1, 2026

3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylic acid → 3-oxo-3,4-dihydro-2H-benzo[1,4]thiazine-6-carboxylic acid {1-[2-(7-methoxy-[1,5]naphthyridin-2-yloxy)-ethyl]-piperidin-4-yl}-amide

https://huagongshe.com/reaction/1422720

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylic acidHCID 760993—
Reactant[1-(2-Hydroxy-ethyl)-piperidin-4-yl]-carbamic acid tert-butyl esterHCID 45076484—
Reactant2-Chloro-7-methoxy-1,5-naphthyridineHCID 71463962—
Product3-oxo-3,4-dihydro-2H-benzo[1,4]thiazine-6-carboxylic acid {1-[2-(7-methoxy-[1,5]naphthyridin-2-yloxy)-ethyl]-piperidin-4-yl}-amideHCID 46852234—

Reaction Steps

The title compound is prepared as an off-white lyophilizated powder following Scheme 1 and in analogy to Example 1 using 2-chloro-7-methoxy-[1,5]naphthyridine, [1-(2-hydroxy-ethyl)-piperidin-4-yl]-carbamic acid tert-butyl ester and 3-oxo-3,4-dihydro-2H-benzo[1,4]thiazine-6-carboxylic acid as starting materials.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08927542B2
Source datasetuspto-grants-2015_01
ORD IDord-e7a9bdd4c29b4d388b7100f4090e3f1c
Source noteuspto-grants-2015_01