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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1638585Generated: November 2, 2026

Water → 3-Methyl-5-hydroxy-5,6,7,8-tetrahydroquinoline

https://huagongshe.com/reaction/1638585

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant3-Methyl-7,8-dihydroquinolin-5(6H)-oneHCID 595192—
ReactantSodium borohydrideHCID 4311764—
SolventMethanolHCID 887—
Product3-Methyl-5-hydroxy-5,6,7,8-tetrahydroquinolineHCID 14155577—

Reaction Steps

0.97 Gram of 7,8-dihydro-3-methylquinolin-5(6H)-one was dissolved in 20 ml of methanol, then to this solution was added 0.23 g of sodium borohydride under ice-cooled condition, the mixture was stirred at room temperature for 3 hours. To the reaction mixture was added water, then methanol was removed by evaporation, next extracted with chloroform, and the chloroform extract was dried with anhydrous magnesium sulfate. The solvent was removed by evaporation to obtain 0.98 g of 3-methyl-5-hydroxy-5,6,7,8-tetrahydroquinoline in the form of colorless oily substance.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04880815
Source datasetuspto-grants-1989_11
ORD IDord-e03d864b13f942d2b9519077eced2129
Source noteuspto-grants-1989_11