Glyoxylic Acid → HCID 12810649, compound

HRID 1979954Notes

Reaction equation

HRID 1979954 reaction equation
[C:1]([OH:5])(=[O:4])[CH:2]=[O:3].[CH3:6][C:7]([C:9]1[CH:14]=[C:13]([O:15][CH3:16])[CH:12]=[CH:11][C:10]=1[O:17][CH3:18])=[O:8]>O>[CH3:18][O:17][C:10]1[CH:11]=[CH:12][C:13]([O:15][CH3:16])=[CH:14][C:9]=1[C:7](=[O:8])[CH2:6][CH:2]([OH:3])[C:1]([OH:5])=[O:4]

Participants

4

Reactant 2

HCID 760Glyoxylic AcidHCID 709912',5'-Dimethoxyacetophenone

Product 1

HCID 12810649HCID 12810649, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

22.2 g of glyoxylic acid, 50 wt.% in water, are heated under reduced pressure until about 80% of the water present has been eliminated; then, after cooling, 54 g of 2,5-dimethoxyacetophenone are added, i.e., an excess of 100% over theoretical.

Workup

  1. temperaturethen, after cooling

Sources & evidence

ORD record
ord-f2883e041b87416881f91512851bf80b
Source dataset
uspto-grants-1984_11
Patent number
US04483868

Reaction notes

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