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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1731340Generated: November 2, 2026

2-Aminopyridine → 6-(3-Methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine

https://huagongshe.com/reaction/1731340

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminopyridineHCID 10439—
Reactant6-(2-Bromopropanoyl)-2-methyl-2H-1,4-benzoxazin-3(4H)-oneHCID 20228676—
Product6-(3-Methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazineHCID 2022869148.5%

Reaction Steps

6-(3-Methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine (1.05 g) was prepared in substantially the same manner as that of Example 16 from 6-(2-bromopropionyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine (2.2 g) and 2-aminopyridine (2.1 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04621084
Source datasetuspto-grants-1986_11
ORD IDord-866908ef172f43acbb5d7abc10fd9aef
Source noteuspto-grants-1986_11