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Featured researches published by Petr Nesvadba.


Tetrahedron Letters | 1980

Oxidation of 1-substituted 2,4,6-triphenylpyridinium salts

Petr Nesvadba; Josef Kuthan

Abstract During the oxidation of 1,2,4,6-tetrasubstituted pyridinium salts 1 with potassium hexacyanoferrate(III) in alkali medium a contraction of pyridine ring is observed leading to 1,2,3,5-tetrasubstituted pyrroles 2 .


Collection of Czechoslovak Chemical Communications | 1977

Contribution to the study of cyclocondensations of cyanoacetic acid derivatives with benzylideneacetophenone

Josef Kuthan; Petr Nesvadba; Z. Donnerová; Petr Trška


Collection of Czechoslovak Chemical Communications | 1979

Some 3-cyano-4,6-diaryl-2-pyridones with luminiscent properties

Josef Kuthan; Petr Nesvadba; Milan Popl; Jan Fähnrich


Collection of Czechoslovak Chemical Communications | 1982

Oxidation of polysubstituted pyridinium salts

Petr Nesvadba; Josef Kuthan


Collection of Czechoslovak Chemical Communications | 1984

Oxidation of 1,2,3,4,6-substituted pyridinium salts with ferricyanide

Petr Nesvadba; Josef Kuthan


Collection of Czechoslovak Chemical Communications | 1983

A new heterocyclic ring closure in ferricyanide oxidation of 2,4,6-triphenylpyridinium salts

Petr Nesvadba; Petr Štrop; Josef Kuthan


Collection of Czechoslovak Chemical Communications | 1983

Oxidative elimination of phenyl group from α position of quaternary quinolinium salts

Petr Nesvadba; Josef Kuthan


ChemInform | 1984

A NEW HETEROCYCLIC RING CLOSURE IN FERRICYANIDE OXIDATION OF 2,4,6-TRIPHENYLPYRIDINIUM SALTS

Petr Nesvadba; Petr Štrop; Josef Kuthan


ChemInform | 1984

OXIDATION OF 1,2,3,4,6-SUBSTITUTED PYRIDINIUM SALTS WITH FERRICYANIDE

Petr Nesvadba; Josef Kuthan


ChemInform | 1982

OXIDATION OF POLYSUBSTITUTED PYRIDINIUM SALTS

Petr Nesvadba; Josef Kuthan

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Josef Kuthan

Czechoslovak Academy of Sciences

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Petr Trška

Institute of Chemical Technology in Prague

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Petr Štrop

Czechoslovak Academy of Sciences

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