A bidentate iodine (III)‐based halogen‐bond donor as a powerful organocatalyst

F Heinen, DL Reinhard, E Engelage… - Angewandte Chemie …, 2021 - Wiley Online Library
In contrast to iodine (I)‐based halogen bond donors, iodine (III)‐derived ones have only
been used as Lewis acidic organocatalysts in a handful of examples, and in all cases they …

Photochemical halogen-bonding assisted carbothiophosphorylation reactions of alkenyl and 1, 3-dienyl bromides

HF Piedra, V Gebler, C Valdés, M Plaza - Chemical Science, 2023 - pubs.rsc.org
Herein, we present a synthetic procedure for the facile and general preparation of novel S-
alkenyl and dienyl phosphoro (di) thioates for the first time. Extensive mechanistic …

Bifunctional Onium and Potassium Iodides as Nucleophilic Catalysts for the Solvent‐Free Syntheses of Carbonates, Thiocarbonates, and Oxazolidinones from …

S Shirakawa - The Chemical Record, 2023 - Wiley Online Library
The catalytic potential of organo‐onium iodides as nucleophilic catalysts is aptly
demonstrated in the synthesis of cyclic carbonates from epoxides and carbon dioxide (CO2) …

Halogen bonding organocatalysis enhanced through intramolecular hydrogen bonds

AMS Riel, DA Decato, J Sun… - Chemical …, 2022 - pubs.rsc.org
Recent results indicate a halogen bond donor is strengthened through direct interaction with
a hydrogen bond to the electron-rich belt of the halogen. Here, this Hydrogen Bond …

A Hypervalent Cyclic Dibenzoiodolium Salt as a Halogen‐Bond‐Donor Catalyst for the [4+ 2] Cycloaddition of 2‐Alkenylindoles

Y Nishida, T Suzuki, Y Takagi, E Amma… - …, 2021 - Wiley Online Library
A stable, hypervalent cyclic dibenzoiodolium salt acted as a strong halogen bonding (XB)‐
donor catalyst for [4+ 2] cycloaddition of 2‐alkenylindoles, and not as an oxidizing agent …

Synthesis of Vinyl and 1, 3‐Dienyl Sulfones Enabled by Photochemical Excitation of Halogen‐Bonding Complexes

HF Piedra, C Valdés, M Plaza - Advanced Synthesis & Catalysis, 2024 - Wiley Online Library
The photochemical catalyst‐free radical‐based synthesis of vinyl and 1, 3‐dienyl sulfones is
disclosed. Mechanistic investigations support that the transformations rely on a visible‐light …

Visible-light-driven synthesis of alkenyl thiocyanates: novel building blocks for assembly of diverse sulfur-containing molecules

HF Piedra, M Plaza - Chemical Science, 2024 - pubs.rsc.org
The first visible-light-induced protocol for the general preparation of alkenyl thiocyanates
from alkenyl bromides is presented. The reaction is simple, proceeds under very mild …

Nature of C− I⋅⋅⋅ π Halogen Bonding and its Role in Organocatalysis

S Portela, I Fernández - European Journal of Organic Chemistry, 2021 - Wiley Online Library
The nature of the C− I⋅⋅⋅ π halogen bonding and its mode of activation in organocatalysis
have been quantitatively explored in detail by means of Density Functional Theory (DFT) …

Aza‐Diels‐Alder Reaction of Danishefsky's Diene with Imine Catalyzed by N‐Heterocyclic Imidazole Halogen Bond Donors

C Zhao, C Sun, X Li, Y Zeng - ChemistrySelect, 2021 - Wiley Online Library
Recently, the halogen bonding catalysis in Aza‐Diels‐Alder reaction is increasing
gloriously. In this work, the mechanism of the Aza‐Diels‐Alder reaction between imine and …

Enantio-and diastereoselective double Mannich reaction of malononitrile with N-Boc imines using quinine-derived bifunctional organoiodine catalyst

S Kuwano, E Ogino, T Arai - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
A chiral quinine-derived organic base catalyst with halogen bond donor functionality was
used to catalyze the asymmetric double Mannich reaction of malononitrile with N-Boc and N …