Facile Deoxygenation of Hydroxylated Flavonoids by Palladium-Catalysed Reduction of its Triflate Derivatives

An efficient procedure to deoxygenate hydroxy substituted flavonoids, isoflavonoids and related compounds via their trifluoromethanesulfonates is presented. Their reduction with formic acid in the presence of a catalytic amount of palladium acetate, triethylamine and 1,3-bis(diphenylphosphanyl) prop...

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Published inZeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 60; no. 7; pp. 792 - 796
Main Authors Kövér, József, Antus, Sándor
Format Journal Article
LanguageEnglish
Published BERLIN Verlag der Zeitschrift für Naturforschung 01.07.2005
Walter De Gruyter
Subjects
Chemistry
Chemistry, Inorganic & Nuclear
Chemistry, Organic
Flavonoids
Palladium(II) Acetate
Physical Sciences
Reduction
Science & Technology
REARRANGEMENT
palladium(II) acetate
ISOFLAVONES
ACID
ANALOGS
CHROMONES
PHENOLS
EFFICIENT SYNTHESIS
PRECOCENES
PTEROCARPANS
flavonoids
reduction
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Abstract An efficient procedure to deoxygenate hydroxy substituted flavonoids, isoflavonoids and related compounds via their trifluoromethanesulfonates is presented. Their reduction with formic acid in the presence of a catalytic amount of palladium acetate, triethylamine and 1,3-bis(diphenylphosphanyl) propane (dppp) in DMF results in their des-hydroxy derivatives without affecting other functional groups.
AbstractList An efficient procedure to deoxygenate hydroxy substituted flavonoids, isoflavonoids and related compounds via their trifluoromethanesulfonates is presented. Their reduction with formic acid in the presence of a catalytic amount of palladium acetate, triethylamine and 1,3-bis(diphenylphosphanyl)propane (dppp) in DMF results in their des-hydroxy derivatives without affecting other functional groups.
Author Antus, Sándor
Kövér, József
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  givenname: Sándor
  surname: Antus
  fullname: Antus, Sándor
  email: antuss@tigris.klte.hu
  organization: Department of Organic Chemistry, University of Debrecen, H-4010 Debrecen, P. O. Box 20, Hungary
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crossref_primary_10_1080_00304948_2013_798567
crossref_primary_10_1007_s10593_021_02990_8
Cites_doi 10.1021/np9904509
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Issue 7
Keywords REARRANGEMENT
palladium(II) acetate
ISOFLAVONES
ACID
ANALOGS
CHROMONES
PHENOLS
EFFICIENT SYNTHESIS
PRECOCENES
PTEROCARPANS
flavonoids
reduction
Language English
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PublicationTitle Zeitschrift für Naturforschung. B, A journal of chemical sciences
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Walter De Gruyter
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Snippet An efficient procedure to deoxygenate hydroxy substituted flavonoids, isoflavonoids and related compounds via their trifluoromethanesulfonates is presented....
Source Web of Science
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StartPage 792
SubjectTerms Chemistry
Chemistry, Inorganic & Nuclear
Chemistry, Organic
Flavonoids
Palladium(II) Acetate
Physical Sciences
Reduction
Science & Technology
Title Facile Deoxygenation of Hydroxylated Flavonoids by Palladium-Catalysed Reduction of its Triflate Derivatives
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