Formaldehyde → 2,3-Dimethylbenzaldehyde

HRID 1025251Notes

Reaction equation

HRID 1025251 reaction equation
[CH2:1]=[O:2].[C:3]1(O)C=CC=CC=1.S(=O)(=O)(O)O.[C:15]1([CH3:22])[CH:20]=[CH:19][CH:18]=[C:17](C)[CH:16]=1>>[C:15]1([CH3:22])[CH:16]=[CH:17][CH:18]=[C:19]([CH:1]=[O:2])[C:20]=1[CH3:3]

Participants

5

Reactant 4

HCID 712FormaldehydeHCID 996PhenolHCID 1118Sulfuric AcidHCID 7929M-Xylene

Product 1

HCID 342242,3-Dimethylbenzaldehyde

Procedure

A 2-liter flask equipped with a thermometer, a reflux condenser, and a stirrer was charged with 480 parts of 50% formalin, 110 parts of phenol, 202 parts of 98% industrial sulfuric acid, and 424 parts of m-xylene. The resulting mixture was allowed to react at 84 to 88° C. for 4 hours.

Workup

  1. customA 2-liter flask equipped with a thermometer, a reflux condenser, and a stirrer
  2. customto react at 84 to 88° C. for 4 hours

Sources & evidence

ORD record
ord-6deac67a02814a23a2efec3649b50da9
Source dataset
uspto-grants-2014_05
Patent number
US08728626B2

Reaction notes

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