A new 5-HT1A silent antagonist 14 (5-HT1A IC50 = 2.2 nM) antagonizes the effects of agonists on reciprocal forepaw treading behavior, on neuronal firing in the rat dorsal raphe, and on 5-HT1A release in the raphe and hippocampus. While 14 alone was inactive in the social interaction paradigm, it completely reversed the social interaction activity of the serotonergic compounds (buspirone, 1, and 2). (C) 2002 Elsevier Science Ltd. All rights reserved.
4-AZETIDINYL-1-PHENYL-CYCLOHEXANE ANTAGONISTS OF CCR2
申请人:Zhang Xuqing
公开号:US20100267689A1
公开(公告)日:2010-10-21
The present invention comprises compounds of Formula (I):
wherein: X, R
1
, R
2
, R
3
, and R
4
are as defined in the specification. The invention also comprises a method of preventing, treating or ameliorating a syndrome, disorder or disease, wherein said syndrome, disorder or disease is type II diabetes, obesity and asthma. The invention also comprises a method of inhibiting CCR2 activity in a mammal by administration of a therapeutically effective amount of at least one compound of Formula (I).
efficient catalytic asymmetric hydrogenation of racemic α‐arylcyclohexanones with an ethylene ketal group at the 5‐position of the cyclohexane ring via dynamic kinetic resolution has been developed, giving chiral α‐arylcyclohexanols with two contiguous stereocenters with up to 99% ee and >99:1 cis/trans‐selectivity. Using this highly efficient asymmetric hydrogenation reaction as a key step, (−)‐α‐lycorane
Optimization of TRPV6 Calcium Channel Inhibitors Using a 3D Ligand‐Based Virtual Screening Method
作者:Céline Simonin、Mahendra Awale、Michael Brand、Ruud van Deursen、Julian Schwartz、Michael Fine、Gergely Kovacs、Pascal Häfliger、Gergely Gyimesi、Abilashan Sithampari、Roch‐Philippe Charles、Matthias A. Hediger、Jean‐Louis Reymond
DOI:10.1002/anie.201507320
日期:2015.12
the first potent and selective inhibitor of TRPV6, a calciumchannel overexpressed in breast and prostate cancer, and its use to test the effect of blocking TRPV6‐mediated Ca2+‐influx on cell growth. The inhibitor was discovered through a computational method, xLOS, a 3D‐shape and pharmacophore similarity algorithm, a type of ligand‐basedvirtualscreening (LBVS) method described briefly here. Starting
Synthesis of Fluorenes and Dibenzo[<i>g,p</i>]chrysenes through an Oxidative Cascade
作者:Cody F. Dickinson、Glenn P. A. Yap、Marcus A. Tius
DOI:10.1021/acs.joc.1c02583
日期:2022.1.21
We have developed robust, operationally simple syntheses of fluorenes and of dibenzo[g,p]chrysenes through oxidative cascade processes. These structures that are commonly encountered in optoelectronic materials, dyes, and pharmaceutical products are accessible from 1,4-dioxaspiro[4.5]decan-8-one. The reactions are conducted open to air with inexpensive, safe CuBr2 or CuCl2.
concise and efficient total synthesis of honokiol, a biphenyl-type neolignan is accomplished in six steps using readily available and cost-effective reagents. The synthetic route involves mainly the Grignard reaction, iodine mediated aromatization, and Claisenrearrangement as key steps. A predominant formation of honokiol (1a) was observed in the Claisenrearrangement under microwave irradiation whereas