5,6,7-Trimethyl-2,3-dihydro-1-benzofuran-4-carbaldehyde → 4-(5,6,7-Trimethyl-2,3-dihydro-1-benzofuran-4-yl)but-3-en-2-one

HRID 1980801Notes

Reaction equation

HRID 1980801 reaction equation
[CH3:1][C:2]1[C:10]([CH3:11])=[C:9]([CH3:12])[C:5]2[O:6][CH2:7][CH2:8][C:4]=2[C:3]=1[CH:13]=O>CC(C)=O>[CH3:1][C:2]1[C:10]([CH3:11])=[C:9]([CH3:12])[C:5]2[O:6][CH2:7][CH2:8][C:4]=2[C:3]=1[CH:13]=[CH:4][C:5](=[O:6])[CH3:9]

Participants

3

Reactant 1

HCID 204004935,6,7-Trimethyl-2,3-dihydro-1-benzofuran-4-carbaldehyde

Product 1

HCID 542835654-(5,6,7-Trimethyl-2,3-dihydro-1-benzofuran-4-yl)but-3-en-2-one

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

1-(2,3-Dihydro-5,6,7-trimethylbenzo[b]furan-4-yl)but-1-en-3-one was prepared from 2,3-dihydro-5,6,7-trimethylbenzo[b]furan-4-carboxaldehyde and acetone following essentially the same procedure as that described in Example 1 part (i), and was obtained as a brown oil.

Workup

  1. customwas obtained as a brown oil

Sources & evidence

ORD record
ord-044fee3530a54897ab052cb51d720a79
Source dataset
uspto-grants-1985_04
Patent number
US04511391

Reaction notes

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