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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56739Generated: October 24, 2026

2-Bromo-4-chloro-1-nitrobenzene → 4-(5-Chloro-2-nitrophenyl)-2,5-dimethoxypyridine

https://huagongshe.com/en/reaction/56739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromo-4-chloro-1-nitrobenzeneHCID 9856124—
Reactant2,5-Dimethoxypyridine-4-boronic acidHCID 74890663—
CatalystXPhos PalladacycleHCID 54751079—
Product4-(5-Chloro-2-nitrophenyl)-2,5-dimethoxypyridineHCID 117605401—

Reaction Steps

215 mg (purity 85%, 1.0 mmol) of 2,5-dimethoxypyridin-4-ylboronic acid and 236 mg (1.0 mmol) of 2-bromo-4-chloro-1-nitrobenzene in the presence of XPhos precatalyst were reacted according to General Method 2B. Yield: 124 mg (purity 93%, 39% of theory)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434690B2
Source datasetuspto-grants-2016_09
ORD IDord-4cb486254e834e36939cd0a934f823a0
Source noteuspto-grants-2016_09