Synthesis and relative binding affinity to steroid receptors and antiproliferative activity on MCF-7 cells of 2,3-disubstituted indenes
摘要:
The study of the relative binding affinity of a set of 2,3-disubstituted indenes to the receptors of steroid hormones indicates a weak effect of some derivatives on estrogen, progesterone and androgen receptors. The antiproliferative effect on human MCF-7 cells also shows a weak activity for three derivatives. (C) 1999 Elsevier Science S.A. All rights reserved.
Chemospecific Cyclizations of α‐Carbonyl Sulfoxonium Ylides on Aryls and Heteroaryls
作者:Daniel Clare、Benjamin C. Dobson、Phillip A. Inglesby、Christophe Aïssa
DOI:10.1002/anie.201910821
日期:2019.11.4
The functionalization of aryl and heteroaryls using α‐carbonylsulfoxoniumylides without the help of a directing group has remained so far a neglected area, despite the advantageous safety profile of sulfoxoniumylides. Described herein are the cyclizations of α‐carbonylsulfoxoniumylides onto benzenes, benzofurans and N‐p‐toluenesulfonyl indoles in the presence of a base in HFIP, whereas pyrroles
Gold-Catalyzed Carboalkoxylations of 2-Ethynylbenzyl Ethers to form 1- and 2-Indanones Chemoselectively: Effects of Ligands and Solvents
作者:Chiou-Dong Wang、Yi-Feng Hsieh、Rai-Shung Liu
DOI:10.1002/adsc.201300988
日期:2014.1.13
acidic [tris(pentafluorophenyl)phosphine]gold hexafluoroantimonate [P(C6F5)3AuSbF6] in nitromethane (MeNO2) preferably gives 1‐indanones whereas [(ortho‐biphenyl)di(tert‐butyl)phosphine]gold triflimide [P(tBu)2(o‐biphenyl)AuNTf2] in dichloroethane tends to form 2‐indanone derivatives. For 2‐indanone products, we isolated two indenyl methyl ethers for deuterium labeling analyses, providing evidence for
使用合适的催化剂和溶剂,可以从2-乙炔基苄基醚选择性合成1-和2-茚满酮化合物。硝基甲烷(MeNO 2)中的高酸性[三(五氟苯基)膦]六氟锑酸金[P(C 6 F 5)3 AuSbF 6 ]优选产生1-茚满酮,而[(邻-联苯基)二(叔丁基)膦]三氟化金[P(t Bu)2(o-联苯)AuNTf 2]在二氯乙烷中往往会形成2-茚满酮衍生物。对于2-茚满酮产品,我们分离了两个茚基甲基醚进行氘标记分析,为π-炔烃活化提供了证据。
KIRKIACHARIAN, B. S.;KOUTSOURAKIS, P. G., SYNTHESIS (BRD),(1990) N, C. 815-816