Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2118487Generated: October 25, 2026

1-Bromo-4-chlorobutane → 7-(4-Chlorobutoxy)-4H-1-benzopyran-4-one

https://huagongshe.com/reaction/2118487

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Bromo-4-chlorobutaneHCID 81364—
Reactant7-Hydroxy-4-benzopyroneHCID 5409279—
Reactant7-(3-Chloropropoxy)-4H-1-benzopyran-4-oneHCID 10847563—
Product7-(4-Chlorobutoxy)-4H-1-benzopyran-4-oneHCID 13923967—

Reaction Steps

The title compound, mp 75°-78° C. was prepared as described above for 7-(3-chloropropoxy)-4H-1-benzopyran-4-one, starting from 1-bromo-4-chlorobutane and 7-hydroxy-4H-1-benzopyran-4-one.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04678787
Source datasetuspto-grants-1987_07
ORD IDord-50bb70c4ab7b4d9591fabeb7028b36a1
Source noteuspto-grants-1987_07