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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 892568Generated: October 30, 2026

Ethyl Acetate → 2-(6-bromo-2,2-dimethyl-2H-1-benzopyran-4-yl)pyridine N-oxide

https://huagongshe.com/reaction/892568

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant6-bromo-2,2-dimethyl-4-(2-pyridyl)-2H-1-benzopyranHCID 19895587—
Product2-(6-bromo-2,2-dimethyl-2H-1-benzopyran-4-yl)pyridine N-oxideHCID 53669139—

Reaction Steps

In an analogous manner to that described in the first paragraph of Example 6, from 6-bromo-2,2-dimethyl-4-(2-pyridyl)-2H-1-benzopyran there was obtained 2-(6-bromo-2,2-dimethyl-2H-1-benzopyran-4-yl)pyridine N-oxide of melting point 146°-148° C. (from ethyl acetate).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05118694
Source datasetuspto-grants-1992_06
ORD IDord-e3a0fd2f092140009a9b8c0b747ecb34
Source noteuspto-grants-1992_06