Cyclohexene Derivatives and Their Use as Odorants

摘要

The present invention relates to a process for the production of formyl cyclohexene derivatives which are suitable as odorants as such or as intermediates for the preparation of further odorants. In particular the present invention relates to a domino-methylenation-Diels-Alder reaction of α,&bgr;-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes