3-Methyl-2-butenal → HCID 86734446, compound

HRID 1415465Notes

Reaction equation

HRID 1415465 reaction equation
[C:1]12([C:8]([CH3:10])=[O:9])[CH2:7][CH:4]([CH2:5][CH2:6]1)[CH2:3][CH2:2]2.[CH3:11][C:12]([CH3:16])=[CH:13][CH:14]=O>[O-2].[Zn+2]>[CH3:11][C:12]([CH3:16])=[CH:13][CH:14]=[CH:10][C:8]([C:1]12[CH2:7][CH:4]([CH2:5][CH2:6]1)[CH2:3][CH2:2]2)=[O:9]

Participants

4

Reactant 2

HCID 610203-Methyl-2-butenalHCID 1275750280606-49-1

Product 1

HCID 86734446HCID 86734446, compoundYield 88%

Reagents, catalysts & solvents 1

HCID 3007857Zinc OxideCatalyst

Procedure

100 Parts of methyl norbornyl ketone, 50 parts of 3,3-dimethyl-acrolein and 15 parts of zinc oxide are heated for 5 hours at 180° C and a pressure of 55 atmospheres. 85.7 Parts of (4-methyl-1,3-pentadienyl)-norbornyl ketone is obtained having a boiling point of 110° C at 0.01 mm analogously to Example 9. The yield is 88% of theory at a conversion of 80% of theory based on 3,3-dimethylacrolein.

Sources & evidence

ORD record
ord-d011f83e690e4adeadfea3011e48b9b7
Source dataset
uspto-grants-1977_01
Patent number
US04005147

Reaction notes

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