Hydroxyphenylacetic acid → HCID 20296129, compound

HRID 225307Notes

Reaction equation

HRID 225307 reaction equation
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]([OH:11])=[O:10])=[CH:4][CH:3]=1.[ClH:12].[CH2:13]=O>>[Cl:12][CH2:13][C:7]1[CH:6]=[C:5]([CH2:8][C:9]([OH:11])=[O:10])[CH:4]=[CH:3][C:2]=1[OH:1]

Participants

4

Procedure

4-Hydroxybenzeneacetic acid, 0.5 mole, is added to concentrated hydrochloric acid, 50 ml, then 0.5 mole of formaldehyde in the form of a 34-38% solution of formalin is added. Hydrogen chloride is bubbled through the reaction mixture for 60 minutes while maintaining the temperature of the reaction mixture at 35° to 45° C. The reaction mixture is poured into water and the title compound is extracted from the solution with ethyl acetate. The ethyl acetate is dried over magnesium sulfate, filtered and removed to give the title compound.

Workup

  1. customHydrogen chloride is bubbled through the reaction mixture for 60 minutes
  2. temperaturewhile maintaining the temperature of the reaction mixture at 35° to 45° C
  3. additionThe reaction mixture is poured into water
  4. extractionthe title compound is extracted from the solution with ethyl acetate
  5. dry with materialThe ethyl acetate is dried over magnesium sulfate
  6. filtrationfiltered
  7. customremoved

Sources & evidence

ORD record
ord-957556a4e4754128af0b0e99c6d2da60
Source dataset
uspto-grants-1980_11
Patent number
US04236002

Reaction notes

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