Mukaiyama-Michael reactions with α-substituted acroleins - a useful tool for the synthesis of the pectenotoxins and other natural product targets
PublisherUniversity of Jyväskylä
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Organocatalytic Oxa-Michael/Michael/Michael/Aldol Condensation Quadruple Domino Sequence : Asymmetric Synthesis of Tricyclic Chromanes Kumar, Mukesh; Chauhan, Pankaj; Bailey, Stephen J.; Jafari, Ehsan; von Essen, Carolina; Rissanen, Kari; Enders, Dieter (American Chemical Society, 2018)An efficient and highly stereoselective one-pot, four-component synthesis of functionalized tricyclic chromanes has been achieved through an organocatalyzed quadruple domino reaction. The reaction sequence involves an ...
Toxicological and bioactivity evaluation of blackcurrant press cake, sea buckthorn leaves and bark from Scots pine and Norway spruce extracts under a green integrated approach Pap, Nora; Reshamwala, Dhanik; Korpinen, Risto; Kilpeläinen, Petri; Fidelis, Marina; Furtado, Marianna M.; Sant’Ana, Anderson S.; Wen, Mingchun; Zhang, Liang; Hellström, Jarkko; Marnilla, Pertti; Mattila, Pirjo; Sarjala, Tytti; Yang, Baoru; dos Santos Lima, Amanda; Azevedo, Luciana; Marjomäki, Varpu; Granato, Daniel (Elsevier, 2021)Aqueous extracts from blackcurrant press cake (BC), Norway spruce bark (NS), Scots pine bark (SP), and sea buckthorn leaves (SB) were obtained using maceration and pressurized hot water and tested for their bioactivities. ...
N-Heterocyclic Carbene Catalyzed Quadruple Domino Reactions through α,β-Unsaturated Acyl Azolium Intermediates : Asymmetric Synthesis of Cyclopenta[c]chromenones Liu, Qiang; Chen, Xiang-Yu; Puttreddy, Rakesh; Rissanen, Kari; Enders, Dieter (Wiley, VCH Verlag GmbH & Co. KGaA, 2018)An N‐heterocyclic carbene catalyzed domino sequence via α,β‐unsaturated acyl azolium intermediates has been developed. This strategy provides a convenient enantioselective route to functionalized tricyclic coumarin derivatives ...
Kuula, Jaana (University of Jyväskylä, 2016)Caused by industrial and military use as well as other sources of chemical, biological, radiological, nuclear and high-yield explosive (CBRNE) materials, the global threat of weapons of mass destruction (WMDs) remains ...
Stereocontrol in Diphenylprolinol Silyl Ether Catalyzed Michael Additions : Steric Shielding or Curtin-Hammett Scenario? Földes, Tamás; Madarász, Ádám; Révész, Ágnes; Dobi, Zoltán; Varga, Szilárd; Hamza, Andrea; Nagy, Péter R.; Pihko, Petri; Pápai, Imre (American Chemical Society, 2017)The enantioselectivity of amine-catalyzed reactions of aldehydes with electrophiles is often explained by simple steric arguments emphasizing the role of the bulky group of the catalyst that prevents the approach of ...