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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 716681Generated: October 31, 2026

Isatoic Anhydride → 1-(2-methylpropyl)-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione

https://huagongshe.com/reaction/716681

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsatoic AnhydrideHCID 8359—
ReactantIsobutyl iodideHCID 10556—
ReactantSodium hydrideHCID 24758—
Product1-(2-methylpropyl)-2,4-dihydro-1H-3,1-benzoxazine-2,4-dioneHCID 3578689—

Reaction Steps

Reagents: Isatoic anhydride (6.13 mmols, 1 g); Sodium hydride (9.2 mmols, 0.22 g); isobutyl iodide (18 mmols, 3.4 g). Yield: 0.6 g (46%), white solid, m.p.=85° C.-86° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09193688B2
Source datasetuspto-grants-2015_11
ORD IDord-483b9ba0cdbd4818ae99262142fa6688
Source noteuspto-grants-2015_11