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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2297500Generated: October 30, 2026

4-(2-Propyn-1-yl)morpholine → 1-(3,5-Dichloro-pyridin-4-ylmethyl)-6-methoxy-5-(3-morpholin-4-yl-prop-1-ynyl)-phthalazine

https://huagongshe.com/reaction/2297500

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(2-Propyn-1-yl)morpholineHCID 412941—
ReactantTrifluoro-methanesulfonic acid 1-(3,5-dichloro-pyridin-4-ylmethyl)-6-methoxy-phthalazin-5-yl esterHCID 53981658—
SolventDiethylamineHCID 8021—
Product1-(3,5-Dichloro-pyridin-4-ylmethyl)-6-methoxy-5-(3-morpholin-4-yl-prop-1-ynyl)-phthalazineHCID 1838167238.6%

Reaction Steps

Operating analogously to what described in example 74 starting from trifluoro-methanesulfonic acid 1-(3,5-dichloro-pyridin-4-ylmethyl)-6-methoxy-phthalazin-5-yl ester (2 g, 4.27 mmoles), prepared as described in example 73, 4-prop-2-ynyl-morpholine (640 mg, 5.12 mmoles), prepared as described in example 137, diethylamine (40 ml), bis(triphenylphosphine)PdCl2 (60 mg, 0.0854 mmole) and Cul (16 mg, 0.0854 mmole), 728 mg of the title compound were obtained (yield: 38.6%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06492360B1
Source datasetuspto-grants-2002_12
ORD IDord-bfa5111f7ab84e8aa11f9fc753460f4f
Source noteuspto-grants-2002_12