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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 335995Generated: October 26, 2026

(2-Fluoro-4-methylpyridin-3-yl)boronic acid → (S)-3-(3,6-dihydro-2H-pyran-4-yl)-7-(2-fluoro-4-methylpyridin-3-yl)-5'H-spiro[chromeno[2,3-c]pyridine-5,4'-oxazol]-2'-amine

https://huagongshe.com/reaction/335995

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2-Fluoro-4-methylpyridin-3-yl)boronic acidHCID 2763131—
Reactant3,6-Dihydro-2H-pyran-4-boronic acid pinacol esterHCID 11218053—
Reactant(S)-7-bromo-3-chloro-5'H-spiro[chromeno[2,3-c]pyridine-5,4'-oxazol]-2'-amineHCID 58466134—
Product(S)-3-(3,6-dihydro-2H-pyran-4-yl)-7-(2-fluoro-4-methylpyridin-3-yl)-5'H-spiro[chromeno[2,3-c]pyridine-5,4'-oxazol]-2'-amineHCID 53464446—

Reaction Steps

The titled compound was synthesized by steps analogous to those described in method AA1 above, but using (S)-7-bromo-3-chloro-5′H-spiro[chromeno[2,3-c]pyridine-5,4′-oxazol]-2′-amine (prepared as described in Method BB41), 2-fluoro-4-methylpyridin-3-ylboronic acid and 2-(3,6-dihydro-2H-pyran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08883782B2
Source datasetuspto-grants-2014_11
ORD IDord-4cc8b84ef84a42c1b74a605c8df4bb91
Source noteuspto-grants-2014_11