申请人:Givaudan SA
公开号:US08304380B2
公开(公告)日:2012-11-06
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,β-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes.
本发明涉及一种生产适用于作为气味剂的甲酰基环己烯衍生物的方法,或作为制备进一步气味剂的中间体的方法。特别地,本发明涉及利用1,3-丁二烯存在下,通过α,β-不饱和醛与甲醛进行多米诺-亚甲基化-迪尔斯-阿尔德反应的方法。