Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 324510Generated: October 30, 2026

Sodium borohydride → (+/-)-7-Chloro-1-(2-hydroxyethyl)-2-methyl-4h-benzo[5,6]cyclohepta[1,2-d]imidazol-4-ol

https://huagongshe.com/reaction/324510

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium borohydrideHCID 4311764—
Reactant7-Chloro-1-(2-hydroxyethyl)-2-methyl-4H-benzo[5,6]cyclohepta[1,2-d]imidazol-4-oneHCID 22003591—
CatalystAcetoneHCID 180—
SolventEthanolHCID 702—
Product(+/-)-7-Chloro-1-(2-hydroxyethyl)-2-methyl-4h-benzo[5,6]cyclohepta[1,2-d]imidazol-4-olHCID 22003582—

Reaction Steps

A mixture of the product of step (i) (0.79 g) in ethanol (100 ml) was treated with sodium borohydride (0.207 g) followed by heating at reflux for 4 hours. The mixture was treated with a few drops of acetone and then concentrated under reduced pressure to dryness. Used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06218376B1
Source datasetuspto-grants-2001_04
ORD IDord-b66e2b2a9e4341a1a088fc45133d9dea
Source noteuspto-grants-2001_04