Piperonal → HCID 328733, compound

Reaction equation

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

Participants

Reactant 2

HCID 8438Piperonal

HCID 13004Cyclopropyl methyl ketone

Product 1

HCID 328733HCID 328733, compound

Procedure

2-(3,4-Methylenedioxyphenyl)vinyl cyclopropyl ketone [III; Ar is 3,4-methylenedioxyphenyl, R is H] was prepared from 8.4 g. of cyclopropyl methyl ketone and 15 g. of piperonal according to the procedure described above in Preparation A1 affording 21.5 g., m.p. 85°-87° C. when crystallized from ethanol.

Workup

customaffording 21.5 g
custom, m.p. 85°-87° C. when crystallized from ethanol

Sources & evidence

ORD record: ord-78f612be684c4d7d9b827c4abfc20df2
Source dataset: uspto-grants-1980_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04227015

Reaction notes

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