DÉRIVÉS DE CYCLOHEXÈNE ET LEUR UTILISATION COMME SUBSTANCES ODORIFÉRANTES

• 收藏
• 分享

专利权人:

Givaudan SA

发明人:

申请号：

EP16181761.4

公开号：

EP3112338A3

申请日:

2008.08.07

申请国别(地区):

EP

年份:

2017

代理人:

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,β-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes. Compounds of Formula (IVa) and their use as flavor or fragrance as well as compounds of Formula (IVb) are also claimed.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/