[HTML][HTML] Catalytic asymmetric synthesis of 1, 2-diamines

F Foubelo, C Nájera, MG Retamosa… - Chemical Society …, 2024 - pubs.rsc.org
The asymmetric catalytic synthesis of 1, 2-diamines has received considerable interest,
especially in the last ten years, due to their presence in biologically active compounds and …

Recent Advances in Catalytic Asymmetric Syntheses of Functionalized Heterocycles via Halogenation/Chalcogenation of Carbon‐Carbon Unsaturated Bonds

S Liu, BQ Zhang, WY Xiao, YL Li… - Advanced Synthesis & …, 2022 - Wiley Online Library
Abstract Halogen (fluorine, chlorine, bromine, iodine) or chalcogen (sulfur, selenium)‐
containing heterocycles are widely recognized as key building blocks in many natural …

Palladium-catalyzed asymmetric sequential hydroamination of 1, 3-enynes: enantioselective syntheses of chiral imidazolidinones

Q Li, X Fang, R Pan, H Yao, A Lin - Journal of the American …, 2022 - ACS Publications
Pd-catalyzed sequential hydroamination of readily available 1, 3-enynes is reported. The
redox-neutral process provides an efficient route to synthesize a broad scope of …

Asymmetric Intermolecular Iodinative Difunctionalization of Allylic Sulfonamides Enabled by Organosulfide Catalysis: Modular Entry to Iodinated Chiral Molecules

L Liao, X Xu, J Ji, X Zhao - Journal of the American Chemical …, 2022 - ACS Publications
Electrophilic halogenation of alkenes is a powerful transformation offering a convenient
route for the construction of valuable functionalized molecules. However, as a highly …

Catalyst-free visible-light-mediated iodoamination of olefins and synthetic applications

S Engl, O Reiser - Organic Letters, 2021 - ACS Publications
Herein we report a catalyst-and metal-free visible-light-mediated protocol enabling the
iodoamination of miscellaneous olefins. This protocol is characterized by high yields under …

Catalytic, Enantioselective Synthesis of Cyclic Carbamates from Dialkyl Amines by CO2-Capture: Discovery, Development, and Mechanism

R Yousefi, TJ Struble, JL Payne, M Vishe… - Journal of the …, 2018 - ACS Publications
Cyclic carbamates are a common feature of small-molecule therapeutics, offering a
constrained hydrogen bond acceptor that is both polar and sterically small. Methods for their …

Mechanistic Details of Asymmetric Bromocyclization with BINAP Monoxide: Identification of Chiral Proton-Bridged Bisphosphine Oxide Complex and Its Application to …

K Yamashita, R Hirokawa, M Ichikawa… - Journal of the …, 2022 - ACS Publications
The mechanism of our previously reported catalytic asymmetric bromocyclization reactions
using 2, 2′-bis (diphenylphosphino)-1, 1′-binaphthyl (BINAP) monoxide was examined in …

Catalytic dealkylative synthesis of cyclic carbamates and ureas via hydrogen atom transfer and radical-polar crossover

T Nagai, N Mimata, Y Terada, C Sebe… - Organic Letters, 2020 - ACS Publications
Guided by the transition-metal hydrogen atom transfer and radical-polar crossover concepts,
we developed a functional-group-tolerant and scalable method for the synthesis of cyclic …

[HTML][HTML] Enantioselective iodolactonization to prepare ε-lactone rings using hypervalent iodine

JL Payne, Z Deng, AL Flach, JN Johnston - Chemical Science, 2022 - pubs.rsc.org
Despite the rapid growth of enantioselective halolactonization reactions in recent years,
most are effective only when forming smaller (6, 5, 4-membered) rings. Seven-membered ε …

N-Halo reagents: Modern synthetic approaches for heterocyclic synthesis

VSC de Andrade, MCS de Mattos - Synthesis, 2019 - thieme-connect.com
Heterocyclic chemistry is an essential frontier in science and a source of novel biologically
active compounds. The development of innovative synthetic methodologies that allows …