Piperonal → 2-(3,4-Methylenedioxyphenyl)vinyl 1-methylcyclopropyl ketone

HRID 2051938Notes

Reaction equation

HRID 2051938 reaction equation
[CH3:1][C:2]([C:4]1([CH3:7])[CH2:6][CH2:5]1)=[O:3].[CH:8]1[C:13]([CH:14]=O)=[CH:12][C:11]2[O:16][CH2:17][O:18][C:10]=2[CH:9]=1>>[CH3:7][C:4]1([C:2]([CH:1]=[CH:14][C:13]2[CH:8]=[CH:9][C:10]3[O:18][CH2:17][O:16][C:11]=3[CH:12]=2)=[O:3])[CH2:6][CH2:5]1

Participants

3

Reactant 2

HCID 8438PiperonalHCID 74067Methyl 1-methylcyclopropyl ketone

Product 1

HCID 537125712-(3,4-Methylenedioxyphenyl)vinyl 1-methylcyclopropyl ketone

Procedure

2-(3,4-Methylenedioxyphenyl)vinyl 1-methylcyclopropyl ketone [III; Ar is 3,4-methylenedioxyphenyl, R is CH3 ] was prepared from 25.6 g. of 1-methylcyclopropyl methyl ketone and 39.3 g. of piperonal according to the procedure described above in Preparation Al, affording 29.5 g. of crystalline product.

Workup

  1. customaffording 29.5 g

Sources & evidence

ORD record
ord-2743a89fb59c4a64a6d65b4e642e275f
Source dataset
uspto-grants-1980_01
Patent number
US04182729

Reaction notes

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