ChemInform Abstract: Construction of an All-Carbon Quaternary Stereocenter by Organocatalytic Enantioselective α-Functionalization of α-Substituted β-Ketocarbonyls with Electron Deficient Vinylarenes

The enantioselective reaction of ketones (II) and (VI) with vinylarenes (I) gives rise to desired dicarbonyl compounds (III) and (VII), which are readily converted into chiral pyrazolones (V) and (VIII), respectively.

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Veröffentlicht in:	ChemInform 2015-12, Vol.46 (48), p.no-no
Hauptverfasser:	Liu, Shizhou, Tong, Mengchao, Yu, Yang, Xie, Hexin, Li, Hao, Wang, Wei
Format:	Artikel
Sprache:	eng
Schlagworte:	annulation reactions C-C bond formation diastereoselective syntheses diastereoselective syntheses, enantioselective syntheses (incl. cis/trans‐isomerism) enantioselective syntheses (incl. cis/trans-isomerism) organocatalysis pyrazole derivatives ring closure reactions ring closure reactions, annulation reactions
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creator	Liu, Shizhou Tong, Mengchao Yu, Yang Xie, Hexin Li, Hao Wang, Wei
description	The enantioselective reaction of ketones (II) and (VI) with vinylarenes (I) gives rise to desired dicarbonyl compounds (III) and (VII), which are readily converted into chiral pyrazolones (V) and (VIII), respectively.
doi_str_mv	10.1002/chin.201548140
format	Article
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subjects	annulation reactions C-C bond formation diastereoselective syntheses diastereoselective syntheses, enantioselective syntheses (incl. cis/trans‐isomerism) enantioselective syntheses (incl. cis/trans-isomerism) organocatalysis pyrazole derivatives ring closure reactions ring closure reactions, annulation reactions
title	ChemInform Abstract: Construction of an All-Carbon Quaternary Stereocenter by Organocatalytic Enantioselective α-Functionalization of α-Substituted β-Ketocarbonyls with Electron Deficient Vinylarenes
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