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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 469629Generated: October 30, 2026

(4-Methylphenyl)-1-(2H)-phthalazinone → 2-amino-4-(4-methylphenyl)-phthalazin-1(2H)-one

https://huagongshe.com/reaction/469629

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-Methylphenyl)-1-(2H)-phthalazinoneHCID 689106—
ReactantO-(Diphenylphosphinyl)hydroxylamineHCID 10955453—
Product2-amino-4-(4-methylphenyl)-phthalazin-1(2H)-oneHCID 67162325—

Reaction Steps

4-(4-methylphenyl)-phthalazin-1(2H)-one was treated with O-(diphenylphosphoryl)hydroxylamine using a method similar to that described in Example 1B to give the title compound. MS (APCI+) M/Z 252 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08629143B2
Source datasetuspto-grants-2014_01
ORD IDord-082d6bc5be1b425a9fff591ff3585f62
Source noteuspto-grants-2014_01