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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 246826Generated: October 31, 2026

1-Bromo-3-chloropropane → 7-(3-chloropropoxy)-2H-1,4-benzoxazin-3(4H)-one

https://huagongshe.com/reaction/246826

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Bromo-3-chloropropaneHCID 8006—
ReactantSodiumHCID 5360545—
Reactant7-hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-oneHCID 10057870—
SolventGlycol monoethyl etherHCID 8076—
Product7-(3-chloropropoxy)-2H-1,4-benzoxazin-3(4H)-oneHCID 1334387265%

Reaction Steps

7-Hydroxy-2H-1,4-benzoxazin-3(4H)-one was treated with 3-bromo-1-chloro-propane and sodium metal in ethyleneglycol monoethyl ether to give the desired product in 65% yield, mp 95° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04704390
Source datasetuspto-grants-1987_11
ORD IDord-4d4b354b4f8b435585fd534459a315f7
Source noteuspto-grants-1987_11