TMSOTf-Promoted Addition of Alkynes to Aldehydes: A Novel Synthesis of Chroman-4-ones
作者:Ji Yeon Park、Punna Reddy Ullapu、Hyunah Choo、Jae Kyun Lee、Sun-Joon Min、Ae Nim Pae、Youseung Kim、Du-Jong Baek、Yong Seo Cho
DOI:10.1002/ejoc.200800782
日期:2008.11
A novel synthetic method to prepare chalcones 2 and chroman-4-ones 3 by TMSOTf-promotedaddition of alkynes 1 to various aldehydes has been developed. The ratios of chalcones 2, chroman-4-ones 3 and hydrated products 4 varied depending upon the substituents R (nBu, phenyl, H and TMS) on the alkynes 1. We also describe the transformation of the chalcones 2 to the corresponding chroman-4-ones 3 under
NOVEL BENZOPHENONE HYBRIDS AS POTENTIAL ANTICANCER AGENTS AND A PROCESS FOR THE PREPARATION THEREOF
申请人:Kamal Ahmed
公开号:US20100174074A1
公开(公告)日:2010-07-08
Disclosed herein are benzophenone hybrids with potent anticancer activities and processes for creation of the same.
本文披露了具有强烈抗癌活性的苯甲酮杂化物以及其制备过程。
US8394954B2
申请人:——
公开号:US8394954B2
公开(公告)日:2013-03-12
[EN] NOVEL BENZOPHENONE HYBRIDS AS POTENTIAL ANTICANCER AGENTS AND A PROCESS FOR THE PREPARATION THEREOF<br/>[FR] NOUVEAUX HYBRIDES DE BENZOPHÉNONE UTILISÉS COMME AGENTS ANTICANCÉREUX POTENTIELS ET PROCÉDÉ DE PRÉPARATION DE CEUX-CI
申请人:COUNCIL SCIENT IND RES
公开号:WO2008120235A1
公开(公告)日:2008-10-09
[EN] The present invention provides novel benzophenone hybrids as potential anticancer agents. More particularly, the present invention relates to N1-[4-chloro- 2-(2-chlorøbenzoyl)phenyl]-2-[4-(aryl) piperazinojacetamide with aliphatic chain length variations of formula (A). [FR] La présente invention concerne de nouveaux hybrides de benzophénone utilisés comme agents anticancéreux potentiels. Plus particulièrement, la présente invention concerne le N1-[4-chloro- 2-(2-chlorøbenzoyl)phényl]-2-[4-(aryl) pipérazino-acétamide comportant des variations de longueur de chaîne aliphatique de formule (A).
Barluenga's reagent with HBF<sub>4</sub>as an efficient catalyst for alkyne-carbonyl metathesis of unactivated alkynes
作者:Kosuke Murai、Keiichiro Tateishi、Akio Saito
DOI:10.1039/c6ob02090a
日期:——
Barluenga's reagent (IPy2BF4, Py = pyridine) treated with HBF4 efficiently catalyzes the inter- and intramolecular alkyne-carbonyl metathesis of unactivated alkynes with aldehydes or ketones, most of which proceed at room temperature. This work represents the first catalytic application of the Barluenga's reagent.