3,4-Diethoxybenzaldehyde → HCID 19983262, compound

HRID 1460210Notes

Reaction equation

HRID 1460210 reaction equation
[CH3:1][O:2][CH:3]([O:17][CH3:18])[C:4]1[CH:9]=[C:8]([O:10][CH3:11])[C:7]([O:12][CH3:13])=[C:6]([O:14][CH3:15])[C:5]=1Br.[CH2:19]([O:21][C:22]1[CH:23]=[C:24]([CH:27]=[CH:28][C:29]=1[O:30][CH2:31][CH3:32])[CH:25]=[O:26])[CH3:20]>>[CH3:1][O:2][CH:3]([O:17][CH3:18])[C:4]1[CH:9]=[C:8]([O:10][CH3:11])[C:7]([O:12][CH3:13])=[C:6]([O:14][CH3:15])[C:5]=1[C:25]([C:24]1[CH:27]=[CH:28][C:29]([O:30][CH2:31][CH3:32])=[C:22]([O:21][CH2:19][CH3:20])[CH:23]=1)([OH:26])[C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1

Participants

3

Reactant 2

HCID 748473,4-DiethoxybenzaldehydeHCID 159144582-Bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal

Product 1

HCID 19983262HCID 19983262, compoundYield 76%

Procedure

2-bromo-3,4,5-trimethoxybenzaldehyde dimethylacetal and 3,4-diethoxybenzaldehyde are reacted in the same manner as described in Example 1-(1), whereby 2-(3,4-diethoxyphenyl-α-hydroxybenzyl)-3,4,5-trimethoxybenzaldehyde dimethylacetal is obtained as pale yellow syrup.

Sources & evidence

ORD record
ord-b3dbad5bcb7847f592483cfd819c55b0
Source dataset
uspto-grants-1991_12
Patent number
US05070103

Reaction notes

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