Recyclizations of 3-formylchromones with binucleophiles

AS Plaskon, OO Grygorenko, SV Ryabukhin - Tetrahedron, 2012 - Elsevier
Chromones are widely recognized as an important class of biologically active compounds of
both natural and synthetic origin. 1 e8 The less known but very useful application of the …

Synthesis of heterocyclic analogs of isoflavone and homoisoflavone based on 3-formylchromone

SS Shatokhin, VA Tuskaev, SC Gagieva… - Russian Chemical …, 2021 - Springer
The review is focused on recent developments of chemistry of synthetic analogs of natural
compounds, isoflavone and homoisoflavone. The possible synthetic strategies to access …

Acetamidine in heterocycle synthesis

N Kaur, N Yadav, Y Verma - Synthetic Communications, 2023 - Taylor & Francis
Heterocycles represent the most important and diverse variety of natural products.
Nowadays there are plenty of heterocycles that are known, the quantity is growing …

Three-Component, One-Pot Synthesis of 2,4,5-Substituted Pyrimidines Library for Screening against Human Hepatocellular Carcinoma BEL-7402 Cells (J. Comb. Chem. 2007 …

F Xie, S Li, D Bai, L Lou, Y Hu - Journal of Combinatorial …, 2007 - ACS Publications
Three-Component, One-Pot Synthesis of 2,4,5-Substituted Pyrimidines Library for
Screening against Human Hepatocellular Carcinoma Page 1 Additions and Corrections …

Three-Component One-Pot Approach to Synthesize Benzopyrano[4,3-d]pyrimidines

D Li, S Duan, Y Hu - Journal of Combinatorial Chemistry, 2010 - ACS Publications
A novel benzopyrano [4, 3-d] pyrimidine scaffold was generated via a three-component one-
pot reaction from iodochromone, alkyne, and an amidine through a Sonogashira coupling …

Re-cyclization of 3-(E)-methyl 3-(4-oxo-4H-chromen-3-yl) acrylate with amines and their potential mechanism

Y Zhang, Z Lv, M Zhang, K Li - Tetrahedron, 2013 - Elsevier
The synthesis of 2-pyridone derivatives from different substituted amines and various 3-(E)-
methyl 3-(4-oxo-4H-chromen-3-yl) acrylate derivatives was proposed and described. The …

Fluorinated pyrones, chromones and coumarins

VY Sosnovskikh - Fluorine in Heterocyclic Chemistry Volume 2: 6 …, 2014 - Springer
The synthesis, reactivity and applications of fluorinated α-and γ-pyrones, chromones and
coumarins are reviewed. The literature data clearly indicate that these heterocycles are very …

A simple one-pot synthesis of 2, 6-disubstituted 4-(polyfluoroalkyl) pyridines and-pyrimidines by reaction of 2-polyfluoroalkylchromones with aromatic methyl ketimines …

VY Sosnovskikh, BI Usachev, AY Sizov… - Synthesis, 2004 - thieme-connect.com
The reaction of 2-polyfluoroalkylchromones with ketimines, derived from aromatic methyl
ketones and isopropylamine, gives 2, 6-diaryl-4-polyfluoroalkylpyridines in moderate to low …

Three-component, one-pot synthesis of novel 2, 4-substituted 5-azolylthiopyrimidine library for screening against anti-influenza virus A

G Cheng, S Li, J Li, Y Hu - Bioorganic & medicinal chemistry letters, 2008 - Elsevier
A novel one-pot synthesis of 2, 4-substituted 5-azolylthiopyrimidines is achieved by
sequential Michael-addition of 3-iodochromones with mercaptoazole (or mercaptotriazoles) …

Synthesis of 4-aryl-3 (5)-(2-hydroxyphenyl) pyrazoles by reaction of isoflavones and their 4-thio analogues with hydrazine derivatives

A Lévai, AMS Silva, JAS Cavaleiro… - Australian Journal of …, 2007 - CSIRO Publishing
4-Aryl-3 (5)-2-(hydroxyphenyl) pyrazoles have been prepared by the reaction of isoflavones
and their 4-thio analogues with hydrazine hydrate and phenylhydrazine in hot pyridine. The …