Nor-camphanyl-substituted pyrans, method for their synthesis...

Details Nor-camphanyl-substituted pyrans, method for their synthesis... Nor-camphanyl-substituted pyrans, method for their synthesis...

C - Chemistry, Metallurgy

07

D

167/321, 260/360

C07D 309/18 (2006.01) C11B 9/00 (2006.01)

Patent

CA 1128536

Abstract Norcamphanyl-subfitituted pyrans useful as olfactory components of perfume fo mulations, and having the formula: Image wherein the dashed lines represent either a carbon- carbon single bond or a carbon-carbon double bond, and R is either hydrogen or methyl, are prepared by reacting camphene epoxide or 2,2-dimethyl12.2.llheptane-3-carbox- aldehyde with 2-methyl-l-penten-4-ol or 2-methyl-l-buten- 4-ol in the presence of an acid catalyst.

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