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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 892564Generated: October 30, 2026

Ethyl Acetate → 2-(6-cyano-2,2-dimethyl-2H-1-benzopyran-4-yl)-5-phenylpyridine N-oxide

https://huagongshe.com/reaction/892564

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant2,2-dimethyl-4-(5-phenyl-2-pyridyl)-2H-1-benzopyran-6-carbonitrileHCID 19895595—
Product2-(6-cyano-2,2-dimethyl-2H-1-benzopyran-4-yl)-5-phenylpyridine N-oxideHCID 53996265—

Reaction Steps

In an analogous manner to that described in the first paragraph of Example 6, from 2,2-dimethyl-4-(5-phenyl-2-pyridyl)-2H-1-benzopyran-6-carbonitrile there was obtained 2-(6-cyano-2,2-dimethyl-2H-1-benzopyran-4-yl)-5-phenylpyridine N-oxide of melting point 173°-175° C. (from ethyl acetate).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05118694
Source datasetuspto-grants-1992_06
ORD IDord-7fe084782e88406184189755c1df3294
Source noteuspto-grants-1992_06