Machine Learning to Develop Peptide Catalysts─ Successes, Limitations, and Opportunities

T Schnitzer, M Schnurr, AF Zahrt, N Sakhaee… - ACS Central …, 2024 - ACS Publications
Peptides have been established as modular catalysts for various transformations. Still, the
vast number of potential amino acid building blocks renders the identification of peptides …

Pseudo-Diastereodivergent Synthesis of Chiral Fluorenes Bearing Bis-1,3-Nonadjacent Stereogenic Centers via Organocatalytic Desymmetrization of meso …

F Jiang, T Meng, Y Zhou, Z Xiong, Y Zhao… - Organic Letters, 2023 - ACS Publications
We report an enantio-and diastereodivergent synthesis of enantioenriched fluorenes
bearing bis-1, 3-nonadjacent stereocenters with broad substrate scope and high …

Quantitative and Nondestructive Colorimetric Amine Detection Method for the Solid-Phase Peptide Synthesis as an Alternative to the Kaiser Test

T Umeno, M Fujihara, S Matsumoto, N Iizuka… - Analytical …, 2023 - ACS Publications
Solid-phase peptide synthesis (SPPS) is an essential technique for the synthesis of peptide.
For half a century, many amine detection methods have been developed to monitor coupling …

Organocatalytic Asymmetric Synthesis of Sulfonyl-Substituted Furans via a Cascade 1, 6-Addition/Cyclization/Enantioselective Protonation Pathway

PF Lian, ZH Li, XY Qiu, TM Ding, SY Zhang - ACS Catalysis, 2024 - ACS Publications
An efficient cascade 1, 6-addition/cyclization/enantioselective protonation pathway between
ene–yne–ketones and sodium sulfinates was realized. This protocol provides practical …

Stereodivergent Construction of 1, 5/1, 7‐Nonadjacent Tetrasubstituted Stereocenters Enabled by Pd/Cu‐Cocatalyzed Asymmetric Heck Cascade Reaction

P Li, Z Liu, X Huo, W Zhang - Angewandte Chemie, 2024 - Wiley Online Library
The construction of chiral motifs containing nonadjacent stereocenters in an enantio‐and
diastereoselective manner has long been a challenging task in synthetic chemistry …

Copper (I)‐Catalyzed Asymmetric 1, 4‐Hydroarsination of α, β‐Unsaturated Compounds

JZ Xiao, ZX Cai, ZZ Pan, Y Wang, N Jiang… - Angewandte …, 2025 - Wiley Online Library
Abstract Herein, a copper (I)‐catalyzed asymmetric 1, 4‐hydroarsination of β‐substituted α, β‐
unsaturated esters is achieved in moderate to excellent yields with high to excellent …

Construction of 1, 3‐Nonadjacent Stereogenic Centers Through Enantioselective Addition of α‐Thioacetamides to α‐Substituted Vinyl Sulfones Catalyzed by Chiral …

A Kondoh, R Ojima, S Ishikawa, M Terada - Advanced Science, 2024 - Wiley Online Library
An enantioselective addition reaction for the construction of 1, 3‐nonadjacent stereogenic
centers is developed by means of a chiral strong Brønsted base catalyst. The chiral sodium …

Organocatalytic Enantioselective Synthesis of [5.7]-Fused ε-Sultam N,O-Heterocycles via (3 + 2)-Annulation of Seven-Membered Cyclic N-Sulfonylimines with γ …

Y Du, P Han, T Wang, YQ Wang - The Journal of Organic …, 2024 - ACS Publications
A highly stereoselective protocol for the (3+ 2)-annulation of biphenyl-bridged seven-
membered cyclic N-sulfonylimines with γ-hydroxy-α, β-unsaturated ketones was developed …

Peptide Catalyzed Conjugate Additions to β‐Nitroacrylates–Steric Bulk Increases the Reaction Rate

A Budinská, L Schmutz, M Schnurr… - … A European Journal, 2024 - Wiley Online Library
The organocatalytic conjugate addition of aldehydes to β‐nitroacrylates provides direct
access to β‐ester‐γ‐nitroaldehydes and, thereby, common structural motifs of many …

Enantioselective Synthesis of Planar Chiral Ferrocene Triflones

M Wen, W Erb, F Mongin, JP Hurvois… - Advanced Synthesis …, 2024 - Wiley Online Library
A multi‐gram scale synthesis of ferrocenetriflone was optimised from ferrocenesulfonyl
fluoride and Me3SiCF3 (Ruppert reagent). Enantioselective deprotolithiations were then …