Hydrochloric Acid → HCID 54106909, compound

HRID 1422048Notes

Reaction equation

HRID 1422048 reaction equation
[OH:1][C:2]1[CH:12]=[CH:11][C:5]2[C:6](=[O:10])[CH:7]=[CH:8][O:9][C:4]=2[CH:3]=1.[CH3:13][O:14][C:15]1[CH:16]=[C:17]([CH:20]=[CH:21][C:22]=1[O:23][CH3:24])[CH:18]=O.Cl.CO>O>[CH3:13][O:14][C:15]1[CH:16]=[C:17]([CH:18]=[C:7]2[C:6](=[O:10])[C:5]3[CH:11]=[CH:12][C:2]([OH:1])=[CH:3][C:4]=3[O:9][CH2:8]2)[CH:20]=[CH:21][C:22]=1[O:23][CH3:24]

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 8419VeratraldehydeHCID 54092797-Hydroxy-4-benzopyrone

Product 1

HCID 54106909HCID 54106909, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

After 7-hydroxy-4(4H)-benzopyranone 1.0 g and 3,4-dimethoxybenzaldehyde 1.22 g were added to a mixture of concentrated hydrochloric acid 50 ml and methanol 40 ml, the mixture was refluxed for 1.5 hours and cooled to room temperature, water 100 ml was added and the mixture was allowed to stand for 30 minutes. The precipitated crystals were filtered.

Workup

  1. temperaturethe mixture was refluxed for 1.5 hours
  2. filtrationThe precipitated crystals were filtered

Sources & evidence

ORD record
ord-84683e2b0b38484f9aedc0f5660e8ab3
Source dataset
uspto-grants-2000_06
Patent number
US06080781

Reaction notes

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