Hydrochloric Acid → 1-Hydroxy-ethoxy-2-naphthoic acid

HRID 1390179Notes

Reaction equation

HRID 1390179 reaction equation
[OH:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[C:5](O)=[CH:4][C:3]=1[C:13]([OH:15])=[O:14].Cl.[CH2:17]([OH:19])[CH3:18]>>[OH:19][CH:17]([O:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]=[CH:4][C:3]=1[C:13]([OH:15])=[O:14])[CH3:18]

Participants

4

Reactant 3

HCID 313Hydrochloric AcidHCID 6711,4-Dihydroxy-2-naphthoic acidHCID 702Ethanol

Product 1

HCID 706005381-Hydroxy-ethoxy-2-naphthoic acid

Procedure

By refluxing an ethanol solution of 1,4-dihydroxy-2-naphthoic acid under heating and passing hydrogen chloride gas through the solution for 5 hours, 1-hydroxy-ethoxy-2-naphthoic acid having a melting point of 190-195° C was obtained.

Workup

  1. temperatureunder heating
  2. customfor 5 hours

Sources & evidence

ORD record
ord-649ef98fe7e44e65981611e121cf164d
Source dataset
uspto-grants-1979_02
Patent number
US04138258

Reaction notes

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