Direct Access to Versatile Electrophiles via Catalytic Oxidative Cyanation of Alkenes
作者:De-Wei Gao、Ekaterina V. Vinogradova、Sri Krishna Nimmagadda、Jose M. Medina、Yiyang Xiao、Radu M. Suciu、Benjamin F. Cravatt、Keary M. Engle
DOI:10.1021/jacs.8b03704
日期:2018.7.5
discovery. Reactions that directly transform inexpensive chemical feedstocks into versatile carbon electrophiles would therefore be highly enabling. Herein, we report the catalytic, regioselective oxidative cyanation of conjugated and nonconjugated alkenes using a homogeneous copper catalyst and a bystanding N-F oxidant to furnish branched alkenyl nitriles that are difficult to prepare using existing methods
The present invention relates to: a novel dienal compound which has an aromatic odor useful for use as a compound flavor raw material or the like; and a flavor composition containing the dienal compound. The dienal compound according to the present invention is characterized by being represented by general formula (1):
(wherein R represents an alkyl group having 8 to 10 carbon atoms; and a wavy line represents a cis form, a trans form, or a mixture of a cis form and a trans form).
[EN] ODORANT SECONDARY ALCOHOLS AND THEIR COMPOSITIONS<br/>[FR] ALCOOLS SECONDAIRES ODORANTS ET LEURS COMPOSITIONS
申请人:S H KELKAR & COMPANY LTD
公开号:WO2019228903A1
公开(公告)日:2019-12-05
The present invention relates to new classes of odorous alcohols (odorants) derived from 2,3- dimethylbutene which are useful as fragrance or flavor materials in particular in providing natural piney olfactory notes with a complex profile to perfume, aroma or deodorizing/masking compositions.
[EN] USES OF VANADIUM TO OXIDIZE ALDEHYDES AND OZONIDES<br/>[FR] UTILISATIONS DE VANADIUM POUR OXYDER DES ALDÉHYDES ET DES OZONIDES
申请人:P2 SCIENCE INC
公开号:WO2018053289A1
公开(公告)日:2018-03-22
The present invention relates to uses of vanadium to convert aldehydes and ozonides into their respective acids and/or ketones. More particularly, this invention relates to the oxidative work-ups following ozonolysis using vanadium, using vanadium during ozonolysis, and using vanadium to oxidize aldehydes in general. The invention also relates to methods comprising the ozonolysis of oleyl alcohol in the presence of either an acid or an alcohol.