[EN] N-ARYL AND N-HETEROARYL PIPERIDINE DERIVATIVES AS LIVER X RECEPTOR β AGONISTS, COMPOSITIONS, AND THEIR USE<br/>[FR] DÉRIVÉS DE N-ARYLE ET DE N-HÉTÉROARYLE PIPÉRIDINE EN TANT QU'AGONISTES DES RÉCEPTEURS HÉPATIQUES X, COMPOSITIONS ET LEUR UTILISATION
申请人:MERCK SHARP & DOHME
公开号:WO2018068297A1
公开(公告)日:2018-04-19
Provided herein are certain substituted N-aryl and N-heteroaryl piperidine compounds of the formula (I) and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, L, R4, L1, Q, R5 and R 6 are as defined. The said novel compounds, and pharmaceutically acceptable compositions comprising a compound thereof, may be useful as Liver X-β receptor(LXRβ) agonists, and may be useful for treating or preventing pathologies related thereto. Such pathologies include, but are not limited to, inflammatory disease and diseases characterized by defects in cholesterol and lipid metabolism, such as Alzheimer's disease.
Pd‐Catalyzed Stereodivergent Allylic Amination of α‐Tertiary Allylic Alcohols towards α,β‐Unsaturated γ‐Amino Acids
作者:Jianing Xie、Chang Qiao、Marta Martínez Belmonte、Eduardo C. Escudero‐Adán、Arjan W. Kleij
DOI:10.1002/cssc.201900433
日期:2019.7.5
Tertiary allylic alcohols were conveniently converted into either (Z)‐ or (E)‐configured α,β‐unsaturated γ‐amino acids by treatment with secondary amines under Pd catalysis at ambient conditions. The key to control the stereochemical course of these formal allylic aminations was the presence of a suitable diphosphine ligand, with dppp [1,3‐bis(diphenylphosphino)propane, L12] providing high yields and
Electrophilic 1,4-Addition of Carbon Dioxide and Aldehydes to Enones
作者:Shintaro Okumura、Kaoru Torii、Yasuhiro Uozumi
DOI:10.1021/acs.orglett.3c01675
日期:2023.7.21
An umpoled electrophilic 1,4-addition to enones was achieved under photocatalytic conditions. Various enones reacted with CO2 in the presence of an iridium photocatalyst and a benzimidazoline reductant under blue-light irradiation to give the corresponding γ-keto carboxylic acids. Aldehydes also coupled with enones under similar photocatalytic conditions to afford γ-keto alcohols (homoaldols) that
在光催化条件下实现了烯酮的未极化亲电 1,4-加成。各种烯酮在铱光催化剂和苯并咪唑啉还原剂存在下在蓝光照射下与CO 2反应生成相应的γ-酮基羧酸。醛还在类似的光催化条件下与烯酮偶联,得到γ-酮醇(高醛醇),通过共沸后处理将其转化为二氢呋喃和四氢呋喃。D 2 O 在 β 位的区域选择性氘掺入表明 1,4-加成是通过高烯醇阴离子发生的。
Antioxidant and anti-inflammatory activity of compounds and preparations from African nutmeg seeds
申请人:Simon E. James
公开号:US20050003030A1
公开(公告)日:2005-01-06
The present invention provides methods for reducing the production of nitric oxide, inducible nitric oxide synthase protein and mRNA, and cyclooxygenase-2 protein and mRNA in cells both in vivo and in vitro via the administration of extracts and compounds derived from the seeds of
Pycnanthus angolensis
Warb. (
P. Kombo
), commonly known as African nutmeg. These extracts and compounds, namely,
kombo
butter,
kombo
butter acid extract, sargaquinoic acid, sargachromenol, and sargahydroquinoic acid, are also useful in the treatment and prevention of a battery of adverse health conditions in human, animal, and avian subjects that are advanced by the production of nitric oxide or its metabolites and/or by the activity of cyclooxygenase-2. Methods for the isolation of
kombo
butter acid extracts are also provided.