作者:David Wiedenfeld、Mark A. Minton、David R. Glass、Vladimir N. Nesterov、Kila D. Nsamenang、Dong Han
DOI:10.1055/s-2005-865296
日期:——
substituted p-dimethoxybenzenes to quinone ammonium salts. Five examples of quinone ammonium salts have been prepared with this procedure. In the first step, the aromatic species is reacted with N-(hydroxymethyl)trifluoroacetamide and trifluoroacetic acid. The trifluoroacetamide product is then oxidatively demethylated and finally hydrolyzed to afford the quinone ammonium salt.
Synthesis of Benzo- and Naphthoquinonyl Boronic Acids: Exploring the Diels-Alder Reactivity
作者:Marcos Veguillas、Maria C. Redondo、Isabel García、María Ribagorda、M. Carmen Carreño
DOI:10.1002/chem.200902796
日期:2010.3.22
dehydroboronation, depending on the substitution on both the quinone and diene partners. The boronic acid acts as a temporary controller, opening a direct access to trans‐fused meta‐regiosomeric adducts when 3‐methyl‐substituted 2‐quinonyl boronic acids react with dienes with a substituent at C‐1. A particularly valuable synthetic result was obtained in the reaction between 3,6‐dimethyl‐2‐quinonyl
The present invention provides methods for the use of compounds having formula (I) in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis, wherein R
1
-R
11
, t, X, Y, Z, and n are as defined herein.