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Терпеновые лиганды как основа каталитических систем для асимметрического окисления фенилфенацилсульфида

Терпеновые лиганды как основа каталитических систем для асимметрического окисления фенилфенацилсульфида

Abstract

For the first time the terpenes ligands (1S, 2S, 5S)-3-[(2-[(2-gidroksibenziliden)amino] ethyl)imino]-2,6,6-trimetilbitsiklo[3.1. l]heptane-2-ol and 3-((2-[(2-hydroxy-2,6,6-trimetilbitsiklo[3.1. l]hepta-3-ilido)amino]ethyl)imino)-2,6,6-trimetilbitsiklo[3.1.1]heptane-2-ol were obtained. The efficiency of complexes on the basis terpen and salen ligands in asymmetric sulfoxidation was compared. The catalytic systems on the basis terpen ligands were used for the asymmetric oxidation of phenylfenacyl sulfide. The maximum enantiomeric excesses of phenylfenacyl sulfoxide were 47%.

Впервые получены терпеновые лиганды (1S,2S,5S)-3-[{2-[(2-гидроксибензилиден)амино]этил}имино]-2,6,6-триметил-бицикло[3 1 1]гептан-2-ол и 3-({2-[(2-гидрокси-2,6,6-триметилбицикло[3 1 1]гепт-3-илиден)амино]этил} имино)-2,6,6-триметилбицикло[3 1 1]гептан-2-ол. Проведено сопоставление эффективности комплексов на основе терпеновых и саленовых лигандов в асимметрическом сульфоксидировании.Впервые в асимметрическом окислении фенилфенацилсульфида использованы каталитические системы на основе терпеновых лигандов с образованием сульфоксида с энантиомерным избытком 47%.

Keywords

ТЕРПЕНЫ, ЛИГАНДЫ, КАТАЛИТИЧЕСКИЕ СИСТЕМЫ, ХИРАЛЬНЫЕ ОСНОВАНИЯ ШИФФА, АСИММЕТРИЧЕСКОЕ ОКИСЛЕНИЕ, СУЛЬФОКСИДИРОВАНИЕ, ФЕНИЛФЕНАЦИЛСУЛЬФИД, ИЗОПРОПИЛАТ ТИТАНА, АЦЕТИЛАЦЕТОНАТ ВАНАДИЛА(1V), ДИОКСИД ХЛОРА, ACETYLACETONATE VANADIUM (IV)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold