Chalcogen bonding catalysis of a nitro‐Michael reaction

P Wonner, A Dreger, L Vogel… - Angewandte Chemie …, 2019 - Wiley Online Library
Chalcogen bonding is the non‐covalent interaction between Lewis acidic chalcogen
substituents and Lewis bases. Herein, we present the first application of dicationic tellurium …

Chalkogenbrückenkatalyse einer Nitro‐Michael‐Reaktion

P Wonner, A Dreger, L Vogel, E Engelage… - Angewandte …, 2019 - Wiley Online Library
Chalkogenbrücken sind nicht‐kovalente Wechselwirkungen zwischen Lewis‐aziden
Chalkogensubstituenten und Lewis‐Basen. Hierin präsentieren wir die erste Anwendung …

Preorganization: a powerful tool in intermolecular halogen bonding in solution

MHH Voelkel, P Wonner, SM Huber - ChemistryOpen, 2020 - Wiley Online Library
Preorganization is a powerful tool in supramolecular chemistry which has been utilized
successfully in intra‐and intermolecular halogen bonding. In previous work, we had …

New Mesoporous Silica-Supported Organocatalysts Based on (2S)-(1,2,4-Triazol-3-yl)-Proline: Efficient, Reusable, and Heterogeneous Catalysts for the Asymmetric …

O Sánchez-Antonio, KA Romero-Sedglach… - Molecules, 2020 - mdpi.com
Novel organocatalytic systems based on the recently developed (S)-proline derivative (2 S)-
[5-(benzylthio)-4-phenyl-(1, 2, 4-triazol)-3-yl]-pyrrolidine supported on mesoporous silica …

Unexpected reactivity of graphene oxide with DBU and DMF

R Ramírez-Jiménez, M Franco, E Rodrigo… - Journal of Materials …, 2018 - pubs.rsc.org
An unusual reaction between GO, DBU and DMF, that typically uses base and solvent, has
been thoroughly analyzed providing valuable basic knowledge about the reactivity of GO …

2‐Azanorbornane‐Based Amino Alcohol Organocatalysts for Asymmetric Michael Reaction of β‐Keto Esters with Nitroolefins

R Togashi, M Chennapuram, C Seki… - European Journal of …, 2019 - Wiley Online Library
New optically active 2‐azanorbornane‐based amino alcohol organocatalysts were
designed and synthesized, and these catalysts were successfully employed in the …

Conformationally flexible C3-symmetric 1, 3-oxazoles as molecular scaffolds

SR Shah, RR Thakore, TA Vyas, B Sridhar - Synlett, 2016 - thieme-connect.com
Flexible-arm, C 3-symmetric tris-oxazoles are synthesized for their applications in
supramolecular chemistry and materials science. The C 3-symmetry is introduced starting …

A nanoporous metal–organic framework as a renewable size-selective hydrogen-bonding catalyst in water

Y Liu, J Ma, P Wu, JJ Zheng, X Tian, M Jiang… - Dalton …, 2019 - pubs.rsc.org
A novel squaramide-containing metal–organic framework (MOF) material has been
designed and synthesized. A detailed X-ray crystal structure analysis showed that four …

Amino amide organocatalysts for asymmetric michael addition of β-Keto esters with β-nitroolefins

IA Owolabi, M Chennapuram, C Seki… - Bulletin of the …, 2019 - academic.oup.com
Asymmetric Michael addition of β-keto esters with trans-β-nitroolefins using chiral amino
amide organocatalyst was tried and afforded synthetically useful chiral Michael adducts in …

Simple primary β-amino alcohols as organocatalysts for the asymmetric Michael addition of β-keto esters to nitroalkenes

Z Begum, H Sannabe, C Seki, Y Okuyama, E Kwon… - RSC …, 2021 - pubs.rsc.org
Simple primary β-amino alcohols act as an efficient organocatalysts in the asymmetric
Michael addition of β-keto esters with nitroalkenes affording highly pure chiral Michael …