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Comparison of Catalytic Efficiency of Imidazolyl- and Oxazolylpyridine Complexes on Allylic Oxidation
Year: 2006
Type of publication: článek ve sborníku
Name of source: International Conference on Organic Chemistry ?Organic Chemistry Since Butlerov and Beilstein until Present?
Publisher name: Sankt-Petěrburgskij Gosudarstvenij Universitet
Place: Sankt Peterburg
Page from-to: 553-554
Titles:
Language Name Abstract Keywords
cze Srovnání katalytické účinnosti imidazolyl- a oxazolylpyridinových komplexů při allylové oxidaci Titulní komplexy byly syntetizovány tříkrokovou syntézou z opticky čistých 2-amino-2,3-dimethylbutanamidů. Takto získané (R)- a (S)-1-alkyl-4-isopropyl-4-methyl-4,5-dihydro-1H-imidazol-5-on-2-yl)pyridiny, (R,R)- a (S,S)-2,6-bis(1-alkyl-4-isopropyl-4-methyl-4,5-dihydro-1H-imidazol-5-on-2-yl)pyridiny, (S)-4-isopropyl-4-methyl-4,5-dihydro-oxazol-2-yl)pyridiny, (R,R)- a (S,S)-2,6-bis(4-isopropyl-4-methyl-4,5-dihydro-oxazol-2-yl)pyridiny tvoří komplexy s triflátem měďnatým. Tyto komplexy oxazolin- a 1H-imidazolin-5-onových ligandů byly testovány jako katalyzátory Kharash-Sosnovského allylové oxidace různých cykloalkenů.
eng Comparison of Catalytic Efficiency of Imidazolyl- and Oxazolylpyridine Complexes on Allylic Oxidation Title complexes were synthesised by three step synthesis from optically pure 2-amino-2,3-dimethylbutanamides. Thus obtained (R)- and (S)-1-alkyl-4-isopropyl-4-methyl-4,5-dihydro-1H-imidazol-5-on-2-yl)pyridines, (R,R)- and (S,S)-2,6-bis(1-alkyl-4-isopropyl-4-methyl-4,5-dihydro-1H-imidazol-5-on-2-yl)pyridines, (S)-4-isopropyl-4-methyl-4,5-dihydro-oxazol-2-yl)pyridines (R,R)- and (S,S)-2,6-bis(4-isopropyl-4-methyl-4,5-dihydro-oxazol-2-yl)pyridines form complexes with copper(II) triflate. The copper(II) triflate complexes of both oxazoline and 1H-imidazoline-5-one ligands were tested as catalysts of Kharash-Sosnovsky allylic oxidation reaction of various cycloalkenes. Catalytic Efficiency, Imidazolylpyridines, Oxazolylpyridines, Allylic Oxydation

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