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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2183494Generated: November 3, 2026

Phthalazine → 6-[5(Tert-butyldimethylsilyloxymethyl)pyridin-2-ylmethyloxy]-3-(5-methylisoxazol-3-yl)-[1,2,4]triazolo[3,4-alpha]phthalazine

https://huagongshe.com/reaction/2183494

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhthalazineHCID 9207—
Reactant3-(6-Chloro-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)-5-methylisoxazoleHCID 18427539—
Reactant5-(tert-Butyldimethylsilyloxymethyl)-2-(hydroxymethyl)pyridineHCID 22473222—
Product6-[5(Tert-butyldimethylsilyloxymethyl)pyridin-2-ylmethyloxy]-3-(5-methylisoxazol-3-yl)-[1,2,4]triazolo[3,4-alpha]phthalazineHCID 131724933—

Reaction Steps

The reaction was carried out as described in Example 1, Step 4 using 5-(tert-butyldimethylsilyloxymethyl)-2-(hydroxymethyl)pyridine (1.0 g, 3.95 mmol) and 6-chloro-3-(5-methylisoxazol-3-yl)-[1,2,4]triazolo[3,4-α]phthalazine (1.12 g, 3.95 mmol) to give, after column chromatography on silica using 2-3% MeOH/CH2Cl2 as eluent, the title phthalazine (1.4 g, 70%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06900209B2
Source datasetuspto-grants-2005_05
ORD IDord-8d8b2b6714ed41a2a704aa8eef6c5ea0
Source noteuspto-grants-2005_05