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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1037248Generated: October 31, 2026

{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester → {1-[4-(7-Chloro-4-oxo-2-phenyl-4H-pyrano[2,3-b]pyridin-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester

https://huagongshe.com/reaction/1037248

Reaction equation

Participants

RoleNameHCIDCharge
Reactant{1-[4-(6-Fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl esterHCID 67067635—
Reactant7-Chloro-3-iodo-2-phenyl-pyrano[2,3-b]pyridin-4-oneHCID 86671024—
Product{1-[4-(7-Chloro-4-oxo-2-phenyl-4H-pyrano[2,3-b]pyridin-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl esterHCID 8667102564%

Reaction Steps

Following the procedure used to prepare {1-[4-(6-fluoro-4-oxo-2-phenyl-4H-chromen-3-yl)-phenyl]-cyclobutyl}-carbamic acid tert-butyl ester, 7-chloro-3-iodo-2-phenyl-pyrano[2,3-b]pyridin-4-one was reacted to give the title compound (8.4 mg, 64%) as a colourless gum. LCMS (Method B): RT=4.42 min, [M+Na]+=525/527.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08546376B2
Source datasetuspto-grants-2013_10
ORD IDord-1dfcaed8ac9b406eb72941e59857e441
Source noteuspto-grants-2013_10