Rhodium-Catalyzed Ketone Methylation Using Methanol Under Mild Conditions: Formation of α-Branched Products
作者:Louis K. M. Chan、Darren L. Poole、Di Shen、Mark P. Healy、Timothy J. Donohoe
DOI:10.1002/anie.201307950
日期:2014.1.13
The rhodium‐catalyzed methylation of ketones has been accomplished using methanol as the methylating agent and the hydrogen‐borrowing method. The sequence is notable for the relatively low temperatures that are required and for the ability of the reaction system to form α‐branched products with ease. Doubly alkylated ketones can be prepared from methyl ketones and two different alcohols by using a
The present invention relates to compounds of Formula I, or pharmaceutically acceptable salts, esters, or prodrugs thereof: ( i ) which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising a compound of the present invention.
[EN] CARBONYL CONTAINING COMPOUNDS FOR CONTROLLING AND REPELLING CIMICIDAE POPULATIONS<br/>[FR] COMPOSÉS CONTENANT UN CARBONYLE POUR MAÎTRISER ET REPOUSSER DES POPULATIONS DE CIMICIDAE
申请人:SEMIOSBIO TECHNOLOGIES INC
公开号:WO2012129702A1
公开(公告)日:2012-10-04
Compositions and methods for controlling and/or repelling bedbugs are provided. The compositions comprise one or more compounds having bedbug repellant activity. Such compounds may be, for example, naturally occurring semiochemicals or structural or functional analogs of naturally occurring semiochemicals. Exemplary compounds are compounds of general formula (I).
Olfactory signature and odorant mixture having the same
申请人:Yeda Research and Development Co. Ltd.
公开号:US11062794B2
公开(公告)日:2021-07-13
An odorant mixture is disclosed. The odorant mixture comprises N odorant components wherein N equals at least 20. Each odorant component is characterized by a multidimensional vector of attributes. A z score of an average of characteristic distances between vectors corresponding to odorant components in the mixture and vectors corresponding to odorant components in a group of M odorant components but not in the mixture is less than 2.
本发明公开了一种气味剂混合物。气味剂混合物包括 N 种气味剂成分,其中 N 至少等于 20。每个气味成分由一个多维属性向量表征。混合物中的气味成分对应向量与 M 组气味成分中但不在混合物中的气味成分对应向量之间的平均特征距离的 Z 值小于 2。
Carbonyl containing compounds for controlling and repelling Cimicidae populations
申请人:Gilbert Michael
公开号:US11116212B2
公开(公告)日:2021-09-14
Compositions and methods for controlling and/or repelling bedbugs are provided. The compositions comprise one or more compounds having bedbug repellant activity. Such compounds may be, for example, naturally occurring semiochemicals or structural or functional analogs of naturally occurring semiochemicals. Exemplary compounds are compounds of general formula (I).