Ru-Catalyzed Benzannulation of Vinyl Sulfoxonium Ylide with Electron-Deficient Alkynes and Alkenes

DS Davas, DK Gopalakrishnan, D Kumar… - Organic Letters, 2022 - ACS Publications
Herein, we report carbene-mediated benzannulation of vinyl sulfoxonium ylides with
electron-deficient alkynes and alkenes to synthesize oxygenated arenes. This protocol …

[HTML][HTML] Synthesis of 2-Azetidinones via Cycloaddition Approaches: An Update

FM Cordero, D Giomi, F Machetti - Reactions, 2024 - mdpi.com
The present review is a comprehensive update of the synthesis of monocyclic β-lactams via
cycloaddition reactions. According to the IUPAC definition of cycloaddition, both elementary …

Direct Trifluoromethylthiolation of Aziridines: Cation-Controlled Diverse Synthesis of Trifluoromethylthiolated Isothiocyanates and Amines

J Xin, T Chen, P Tang - Organic Letters, 2022 - ACS Publications
The direct trifluoromethylthiolation of aziridines with AgSCF3 and iodides is reported. The β-
trifluoromethylthiolated isothiocyanates and amines were selectively obtained by the …

Stereoselective Synthesis of Conjugated Di-and Trienamides via a Dienolate Enabled Anionic Cascade

J Bao, SJ Nick, AS Lanin… - The Journal of …, 2023 - ACS Publications
We report a stereoselective synthesis of conjugated di-and trienamides from the direct one
pot γ-selective union of a dienolate and chiral nonconjugated and conjugated sulfinyl …

Direct Asymmetric Synthesis of α‐Aminoimines from 1,2‐Bis‐N‐Sulfinylimines by Using Allyl Boronic Acids

S Bhunia, G Karan, S Snehil… - Angewandte Chemie …, 2024 - Wiley Online Library
A unique direct asymmetric synthesis of α‐aminoimines is realized, through rapid and
exclusive mono‐allylation of chiral bis‐N‐sulfinylimines using allylboronic acids. The highly …

One Step Selective Counterion Dependent Formation of Conjugated Chiral N-Sulfinylimines from Aldehydes

JR Groch, NR Lauta, JT Njardarson - Organic Letters, 2023 - ACS Publications
We report a detailed study on the synthesis and aldehyde vinylogation applications of chiral
N-sulfinyl imine phosphonate reagents. Two complementary scalable reagent routes, from …

Anionic Amino-Cope Rearrangement Cascade Synthesis of 2, 4-Substituted Benzoate Esters from Acyclic Building Blocks

MH Qureshi, JT Njardarson - Organic letters, 2022 - ACS Publications
We report a new anionic cascade for assembling 2, 4-substituted benzoate esters in one pot
from racemic β-fluoro-substituted conjugated tert-butylsulfinyl imines and 3-substituted …

Dienolate Annulation Approach for Assembly of Densely Substituted Aromatic Architectures

KA Scott, JR Groch, I Chogii, MD Delost… - The Journal of …, 2021 - ACS Publications
The efficient assembly of complex aromatic structures from simple acyclic building blocks is
reported. An anion-cascade union of an enoate and a conjugated imine affords …

Anionic Diels–Alder Chemistry of Cyclic Sodium Dien-1-olates Delivering Highly Stereoselective and Functionalized Polycyclic Adducts

JK Huang, KS Shia - Organic Letters, 2021 - ACS Publications
Anionic Diels–Alder chemistry of electron-deficient cross-conjugated vinylogous alkenones,
providing highly stable sodium dienolate ion pairs as electron-rich dienes in the presence of …

[图书][B] Improving the Cope Rearrangements of 3, 3-Dicyano-1, 5-Dienes Through Chemoselective Reduction and Substrate Modification

MD Mannchen - 2023 - search.proquest.com
Kinetic and thermodynamic challenges associated with the Cope rearrangements of 3, 3-
dicyano-1, 5-dienes have been studied and circumvented through reaction development …