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专利信息
专利号:US-2025034074-A1
优先权日:2021-11-25
标题:Process for preparing a cyclic diene
发明人:JACOBY DENIS; CHAPPUIS SIMONE; KELLER FABRICE
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) comprising the reaction of a compound of the formula (II) with a base having a boiling point superior to the boiling point of the compound of formula (I). Moreover, the compound of formula (I) and the compound of formula (II) are also part of the invention.
专利号:US-2024327367-A1
优先权日:2021-07-30
标 题 :Process for preparing a oxacylohexane or oxacylopentane derivative
发明人:DAPSENS PIERRE-YVES; VILCOQ LEA
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for the preparation of a cycloether of formula (I) comprising the cyclisation of compound of formula (II) performed in the presence of heterogenous acidic catalyst.