Zincate-mediated rearrangement reaction of 2-(1-hydroxyalkyl)-1-alkylcyclopropanol
作者:Kenichi Nomura、Seijiro Matsubara
DOI:10.1039/b901043b
日期:——
A rearrangement of lithium alkoxide of 2-(1-hydroxyalkyl)-1-alkylcyclopropanol into lithium alkoxide of vic-diol was mediated with an organozincate complex.
Stereoselective Synthesis of β,γ-Unsaturated Ketones by Acid-Mediated Julia-Type Transformation from 2-(1-Hydroxyalkyl)-1-alkylcyclopropanols
作者:Seijiro Matsubara、Kenichi Nomura
DOI:10.1055/s-2008-1067077
日期:2008.5
An efficient transformation of 2-(1-hydroxyalkyl)-1-alkylcyclopropanols, obtained from α,β-unsaturated ketones, to β,γ-unsaturated ketones was achieved by trifluoroacetic acid (TFA)-mediated reaction.
The present invention is directed to novel cyclopropanated macrocyclic ketone and lactone compounds of the general formula:
wherein X is an atom or a functional group selected from the group consisting of O, N, S, R—CH, and CH2;
wherein R is a C1-C3 alkyl group;
wherein Y and W independently represent is a linear or branched alkyl or alkenyl group, optionally substituted, consisting of less than 10 and preferably less than 7 carbon atoms; and
wherein O is an oxygen atom,
and the use of these novel compounds in creating fragrances and scents in items such as perfumes, colognes, and personal care products.
The present invention is directed to novel cyclopropanated macrocyclic ketone and lactone compounds of the general formula
wherein X is an atom or a functional group selected from the group consisting of O, N, S, CH, or CH2;
wherein Y is a straight or branched hydrocarbon moiety consisting of 1 to 20 carbon atoms;
wherein W is a straight or branched hydrocarbon moiety of consisting of 1 to 20 carbon atoms; and
wherein O is an oxygen atom;
and the use of these novel compounds in creating fragrances, and scents in items such as perfumes, colognes and personal care products.
本发明涉及通式如下的新型环丙烷化大环酮和内酯化合物
其中 X 是原子或官能团,选自由 O、N、S、CH 或 CH2 组成的组;
其中 Y 是由 1 至 20 个碳原子组成的直链或支链烃分子
其中 W 是由 1 至 20 个碳原子组成的直链或支链烃分子;以及
其中 O 是氧原子;
以及这些新型化合物在香水、古龙水和个人护理产品等产品中用于制造香料和香味。
Cyclopropanated macrocyclic lactone
申请人:International Flavors & Fragrances Inc.
公开号:EP2301927A1
公开(公告)日:2011-03-30
The present invention is directed to a cyclopropanated macrocyclic lactone compound of the formula
and the use of this compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products.