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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1730549Generated: October 30, 2026

2-Amino-5-methylthiazole → HCID 54695926, compound

https://huagongshe.com/reaction/1730549

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-methylthiazoleHCID 351770—
Reactant4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxideHCID 54690651—
SolventO-XyleneHCID 7237—
ProductHCID 54695926HCID 5469592667%

Reaction Steps

4-Hydroxy-2-methyl-N-(5-methyl-2-thiazolyl)-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide was prepared analogous to Example 22 from 4-hydroxy-2-methyl-2H-Naphtho[ 2,1-e]-1,2-thiazine-3-carboxylic acid methyl ester-1,1-dioxide and 2-amino-5-methyl-thiazole. Yield: 67% of theory, m.p. 249°-250° C (decomp.; from xylene).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03992535
Source datasetuspto-grants-1976_11
ORD IDord-1110e4b0d1fc4cf69583763dd9ee632d
Source noteuspto-grants-1976_11