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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2091876Generated: October 30, 2026

Cesium carbonate → 4-(1-((2-(2-ethyl-1H-benzo[d]imidazol-1-yl)-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)azetidin-3-yl)morpholine

https://huagongshe.com/reaction/2091876

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant2-EthylbenzimidazoleHCID 15807—
ReactantSodium t-butoxideHCID 23676156—
Reactant4-(1-((2-Chloro-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)azetidin-3-yl)morpholineHCID 58405030—
Product4-(1-((2-(2-ethyl-1H-benzo[d]imidazol-1-yl)-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)azetidin-3-yl)morpholineHCID 53378567—

Reaction Steps

4-(1-((2-chloro-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)azetidin-3-yl)morpholine from Example 126 (105 mg) was reacted with 2-ethylbenzimidazole and sodium-tert-butoxide (instead of cesium carbonate) via General Procedure C to afford 15.2 mg of 131 following reverse phase HPLC purification. MS (Q1) 515.3 (M)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08440651B2
Source datasetuspto-grants-2013_05
ORD IDord-e3e72971ad384973b15b62aa39a22d32
Source noteuspto-grants-2013_05