The effect of 2-hydroxyl group on the A ring: conversion of 5,7-dehydroxydihydroflavonol (CP1’) to 3-oxo-flavan-4-ol (CP3-1’).

Flavonoids as peroxynitrite scavengers: the role of the hydroxyl groups.

Beerens - Heijnen, C.G.M.
Haenen, G.R.M.M.
van Acker, F.A.A.
van der Vijgh, W.J.F.
Bast, A.

January 2001

Toxicol In Vitro 2001 Feb;15(1):3-6 Related Articles, Books, LinkOut Flavonoids as peroxynitrite sc...

CO-ORDINATION BETWEEN DIFFERENT METFIODS OF SYNTHESIS OF DIHYDROFLAVANOLS AND THEIR STEREOCHEMISTRY

A. B. KULKARNI
C. G. JOSHI

March 1957

Stereochemical configurations assigned in a previous publication to dihydroflavanols are further sup...

Determination of methoxy group in the C-ring of a flavone using 1 H NMR

Suraj B. Kalidhar

June 2011

IITT College of Engineering, Kala Amb, Sirmour-173 030, Himachal Pradesh, India E-mail : sbkalidhar@...

Substitution Effect of Hydroxyl Groups on the 1H and 13C Chemical Shifts in Hydroxyflavonols

Sunhee Lee
Younghee Park
Byoung-ho Moon
Eunjung Lee
Sungwon Hong
Yoongho Lim

January 2008

Flavonoids belong to the secondary metabolites naturally occurring in plants. They have C6-C3-C6 fra...

Calculation results for conversion of dihydroflavonol (CP1) to 2-flaven-3,4-diol (CP4-1) via route B in a neutral aqueous environment.

Hajime Sato (76981)
Chao Wang (146527)
Mami Yamazaki (753989)
Kazuki Saito (86281)
Masanobu Uchiyama (1466110)

June 2018

<p>Calculation results for conversion of dihydroflavonol (CP1) to 2-flaven-3,4-diol (CP4-1) via rout...

Table 1. Nomenclature and structures of hydroxyflavone derivatives and their scavenging effects. O

Younghee Park
Sunhee Lee
Yoonkyung Woo
Yoongho Lim
Derivative Nomenclature
R Scavenging

January 2009

Primuletin, chrysin, and luteolin show vasorelaxing, anti-oxidative, and chemopreventive effects, re...

Pro- and Antioxidant Activity of Three Selected Flavan Type Flavonoids: Catechin, Eriodictyol and Taxifolin

Vladimir Chobot

November 2016

The flavanol (±)-catechin shows an OH group but no 4-keto group on ring C (C3), and no conjugation b...

Understanding the cardioprotective effects of flavonols: discovery of relaxant flavonols without antioxidant activity

Qin, C
Chen, X
Hughes, R
Williams, S
Woodman, O

January 2008

3?,4?-Dihydroxyflavonol (DiOHF) is a cardioprotective flavonol that can reduce injury after myocardi...

Nuclear oxidation in flavones and related compounds. Part XXXVI. Oxidation of some hydroxy isoflavones

Narasimhachari, N.
Ramachandra Row, L.
Seshadri, T. R.

January 1952

Using methods of nuclear oxidation 7 : 8-dihydroxy-2-methyl isoflavone, 5 : 7 : 8-trihydroxyisoflavo...

Ring-isomeric change in isoflavones: synthesis of 5,7-dimethoxy-6-hydroxyisoflavone, muningin and 5,7-dihydroxy-6-methoxyisoflavone

Dhar, M. L.
Seshadri, T. R.

January 1959

The above mentioned compounds have been prepared by methods involving isomeric change from the more ...

Flavonoids hydroxyl group position effect on inducing ssDNA damage mediated by cupric ions

Elmegerhi, Suad Ahmed

January 2020

2020 Fall.Includes bibliographical references.To view the abstract, please see the full text of the ...

OPEN ACCESS CC Structure of Flavones and Flavonols. Part II: Role of Position on the O-H Bond Dissociation Enthalpy

Maria Hr. Vakarelska-popovska
Zhivko As. Velkov

January 2013

The influence of pH on antioxidant properties and the mechanism of antioxidant action of hydroxyflavones.

Lemanska, K.
Szymusiak, H.
Tyrakowska, B.
Zielinksi, R.
Soffers, A.E.M.F.
Rietjens, I.M.C.M.

January 2001

The effect of the pH on antioxidant properties of a series of hydroxyflavones was investigated. The ...

Ring expansion of 2-benzylidenecoumaran-3-ones-a synthesis of flavones

Fitzgerald, D. M.
O'Sullivan, J. F.
Philbin, E. M.
Wheeler, T. S.

January 1955

The action of ethanolic potassium cyanide on certain 2- benzylidene- coumaran - 3-ones gives the cor...

Structural and mechanistic studies on anthocyanidin synthase catalysed oxidation of flavanone substrates: the effect of C-2 stereochemistry on product selectivity and mechanism.

Welford, R
Clifton, I
Turnbull, J
Wilson, S
Schofield, C

January 2005

During the biosynthesis of the tricyclic flavonoid natural products in plants, oxidative modificatio...

Flavonoids as peroxynitrite scavengers: the role of the hydroxyl groups.

Beerens - Heijnen, C.G.M.
Haenen, G.R.M.M.
van Acker, F.A.A.
van der Vijgh, W.J.F.
Bast, A.

January 2001

Toxicol In Vitro 2001 Feb;15(1):3-6 Related Articles, Books, LinkOut Flavonoids as peroxynitrite sc...

CO-ORDINATION BETWEEN DIFFERENT METFIODS OF SYNTHESIS OF DIHYDROFLAVANOLS AND THEIR STEREOCHEMISTRY

A. B. KULKARNI
C. G. JOSHI

March 1957

Stereochemical configurations assigned in a previous publication to dihydroflavanols are further sup...

Determination of methoxy group in the C-ring of a flavone using 1 H NMR

Suraj B. Kalidhar

June 2011

IITT College of Engineering, Kala Amb, Sirmour-173 030, Himachal Pradesh, India E-mail : sbkalidhar@...

Substitution Effect of Hydroxyl Groups on the 1H and 13C Chemical Shifts in Hydroxyflavonols

Sunhee Lee
Younghee Park
Byoung-ho Moon
Eunjung Lee
Sungwon Hong
Yoongho Lim

January 2008

Flavonoids belong to the secondary metabolites naturally occurring in plants. They have C6-C3-C6 fra...

Calculation results for conversion of dihydroflavonol (CP1) to 2-flaven-3,4-diol (CP4-1) via route B in a neutral aqueous environment.

Hajime Sato (76981)
Chao Wang (146527)
Mami Yamazaki (753989)
Kazuki Saito (86281)
Masanobu Uchiyama (1466110)

June 2018

<p>Calculation results for conversion of dihydroflavonol (CP1) to 2-flaven-3,4-diol (CP4-1) via rout...

Table 1. Nomenclature and structures of hydroxyflavone derivatives and their scavenging effects. O

Younghee Park
Sunhee Lee
Yoonkyung Woo
Yoongho Lim
Derivative Nomenclature
R Scavenging

January 2009

Primuletin, chrysin, and luteolin show vasorelaxing, anti-oxidative, and chemopreventive effects, re...

Pro- and Antioxidant Activity of Three Selected Flavan Type Flavonoids: Catechin, Eriodictyol and Taxifolin

Vladimir Chobot

November 2016

The flavanol (±)-catechin shows an OH group but no 4-keto group on ring C (C3), and no conjugation b...

Understanding the cardioprotective effects of flavonols: discovery of relaxant flavonols without antioxidant activity

Qin, C
Chen, X
Hughes, R
Williams, S
Woodman, O

January 2008

3?,4?-Dihydroxyflavonol (DiOHF) is a cardioprotective flavonol that can reduce injury after myocardi...

Nuclear oxidation in flavones and related compounds. Part XXXVI. Oxidation of some hydroxy isoflavones

Narasimhachari, N.
Ramachandra Row, L.
Seshadri, T. R.

January 1952

Using methods of nuclear oxidation 7 : 8-dihydroxy-2-methyl isoflavone, 5 : 7 : 8-trihydroxyisoflavo...

Ring-isomeric change in isoflavones: synthesis of 5,7-dimethoxy-6-hydroxyisoflavone, muningin and 5,7-dihydroxy-6-methoxyisoflavone

Dhar, M. L.
Seshadri, T. R.

January 1959

The above mentioned compounds have been prepared by methods involving isomeric change from the more ...

Flavonoids hydroxyl group position effect on inducing ssDNA damage mediated by cupric ions

Elmegerhi, Suad Ahmed

January 2020

2020 Fall.Includes bibliographical references.To view the abstract, please see the full text of the ...

OPEN ACCESS CC Structure of Flavones and Flavonols. Part II: Role of Position on the O-H Bond Dissociation Enthalpy

Maria Hr. Vakarelska-popovska
Zhivko As. Velkov

January 2013

The influence of pH on antioxidant properties and the mechanism of antioxidant action of hydroxyflavones.

Lemanska, K.
Szymusiak, H.
Tyrakowska, B.
Zielinksi, R.
Soffers, A.E.M.F.
Rietjens, I.M.C.M.

January 2001

The effect of the pH on antioxidant properties of a series of hydroxyflavones was investigated. The ...

Ring expansion of 2-benzylidenecoumaran-3-ones-a synthesis of flavones

Fitzgerald, D. M.
O'Sullivan, J. F.
Philbin, E. M.
Wheeler, T. S.

January 1955

The action of ethanolic potassium cyanide on certain 2- benzylidene- coumaran - 3-ones gives the cor...

Structural and mechanistic studies on anthocyanidin synthase catalysed oxidation of flavanone substrates: the effect of C-2 stereochemistry on product selectivity and mechanism.

Welford, R
Clifton, I
Turnbull, J
Wilson, S
Schofield, C

January 2005

During the biosynthesis of the tricyclic flavonoid natural products in plants, oxidative modificatio...

Flavonoids as peroxynitrite scavengers: the role of the hydroxyl groups.

Beerens - Heijnen, C.G.M.
Haenen, G.R.M.M.
van Acker, F.A.A.
van der Vijgh, W.J.F.
Bast, A.

January 2001

Toxicol In Vitro 2001 Feb;15(1):3-6 Related Articles, Books, LinkOut Flavonoids as peroxynitrite sc...

CO-ORDINATION BETWEEN DIFFERENT METFIODS OF SYNTHESIS OF DIHYDROFLAVANOLS AND THEIR STEREOCHEMISTRY

A. B. KULKARNI
C. G. JOSHI

March 1957

Stereochemical configurations assigned in a previous publication to dihydroflavanols are further sup...

Determination of methoxy group in the C-ring of a flavone using 1 H NMR

Suraj B. Kalidhar

June 2011

IITT College of Engineering, Kala Amb, Sirmour-173 030, Himachal Pradesh, India E-mail : sbkalidhar@...

The effect of 2-hydroxyl group on the A ring: conversion of 5,7-dehydroxydihydroflavonol (CP1’) to 3-oxo-flavan-4-ol (CP3-1’).

Abstract

Extracted data

The effect of 2-hydroxyl group on the A ring: conversion of 5,7-dehydroxydihydroflavonol (CP1’) to 3-oxo-flavan-4-ol (CP3-1’).

Abstract

Extracted data

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