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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1504773Generated: October 30, 2026

Cesium carbonate → HCID 86731666, compound

https://huagongshe.com/reaction/1504773

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant2,4-DimethoxybenzylamineHCID 597250—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
ReactantHCID 86731667HCID 86731667—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 86731666HCID 86731666—

Reaction Conditions

Temperature100 °C

Reaction Steps

A flask containing a mixture of 2-(2-chloro-6-methylpyridin-4-yl)propan-2-ol (303 mg, 1.63 mmol), tris(dibenzylideneacetone)dipalladium(0) (149 mg, 0.163 mmol), Xantphos (189 mg, 0.326 mmol), and cesium carbonate (798 mg, 2.45 mmol) was purged with argon for 5 minutes. To this mixture was added 2,4-dimethoxybenzylamine (0.983 mL, 6.53 mmol) and 1,4-dioxane (7 mL). The reaction mixture was purged with argon for 5 minutes, and then heated to 100° C. After 4 hours, the reaction mixture was cooled, diluted with ethyl acetate (50 mL), filtered through CELITE, and concentrated under reduced pressure. The residue was purified by chromatography on silica gel (0-60% ethyl acetate/hexanes, linear gradient) to afford 2-{2-[(2,4-dimethoxybenzyl)amino]-6-methylpyridin-4-yl}propan-2-ol. MS ESI calc'd. for C18H25N2O3 [M+H]+ 317. found 317. 1H NMR (500 MHz, DMSO-d6) δ 7.12 (d, J=8.5 Hz, 1H), 6.51 (d, J=2.5 Hz, 1H), 6.44-6.40 (m, 2H), 6.38 (d, J=7.0 Hz, 2H), 4.90 (s, 1H), 4.30 (d, J=5.5 Hz, 2H), 3.78 (s, 3H), 3.71 (s, 3H), 2.19 (s, 3H), 1.29 (s, 6H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09216173B2
Source datasetuspto-grants-2015_12
ORD IDord-2f185b6329b9411a8cc6cd247e9a8aa6
Source noteuspto-grants-2015_12