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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2223129Generated: October 30, 2026

HCID 21072820, compound → HCID 21072809, compound

https://huagongshe.com/reaction/2223129

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 21072820HCID 21072820—
Reactant5-(benzyloxy)-8-(dihydroxyacetyl)-2H-1,4-benzoxazin-3(4H)-oneHCID 23106148—
SolventEthyl AcetateHCID 8857—
ProductHCID 21072809HCID 21072809—

Reaction Steps

The product is prepared analogously to Example 12a starting from 5-benzyloxy-8-(2,2-dihydroxyacetyl)-4H-benzo[1,4]oxazin-3-one and 1-(3-amino-3-methylbutyl)-4,4-dipropyl-1,4-dihydrobenzo[d][1,3]oxazin-2-one hydrochloride. The crude product is dissolved in EtOAc, washed with 5% aqueous NaOH solution, and purified by column chromatography (silica gel, dichloromethane/MeOH 98:2→90:10). Yield: 170 mg (49%); HPLC-MS: Rt=18.9 min. (method A).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07375104B2
Source datasetuspto-grants-2008_05
ORD IDord-fd50e52f3c13484190aa2a6e3802d4f0
Source noteuspto-grants-2008_05