79-69-6 → HCID 53812241, compound

HRID 1196177Notes

Reaction equation

[CH3:1][C:2]1[CH:3]([CH:11]=[CH:12][C:13](=[O:15])[CH3:14])[C:4]([CH3:10])([CH3:9])[CH:5]([CH3:8])[CH2:6][CH:7]=1.CC1(C)CC1CCC(C)=C=CCC(=O)C>>[CH3:10][C:4]1([CH3:9])[CH2:8][CH:5]1[CH2:6][CH2:7][C:2]([CH3:1])=[CH:3][CH:11]=[CH:12][C:13](=[O:15])[CH3:14]

Participants

Reactant 2

HCID 660979-69-6

HCID 57114791HCID 57114791, compound

Product 1

HCID 53812241HCID 53812241, compound

Procedure

A process for the manufacture of 4-(2,5,6,6-tetramethyl-2-cyclohexen-1-yl)-3-buten-2-one and 4-(2,5,6,6-tetramethyl-1-cyclohexen-1-yl-3-buten-2-one which process comprises isomerizing 8-(2',2'-dimethylcyclopropyl)-6-methyl-4,5-octadien-2-one in the presence of a base or an acid to form 8-(2',2'-dimethylcyclopropyl)-6-methyl-3,5-octadien-2-one and cyclizing said 8-(2',2'-dimethylcyclopropyl)-6-methyl-3,5-ocatadien-2-one.

Sources & evidence

ORD record: ord-e90a17f3d9a24d8b9f082ddaff399ec1
Source dataset: uspto-grants-1992_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05113021

Reaction notes

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