The copper-catalyzed oxidative radical process of site selective C–N bond cleavage in twisted amides: batch and continuous-flow chemistry

K Govindan, NQ Chen, HY Chen, SCN Hsu… - Catalysis Science & …, 2023 - pubs.rsc.org
Due to the significance of amide bonds, it is crucial to develop a new catalytic strategy to
produce amides by selective C–N bond cleavage, one of the most potent and rapid …

Structures of the Most Twisted Thioamide and Selenoamide: Effect of Higher Chalcogens of Twisted Amides on N− C (X) Resonance

Q Zhao, G Li, P Nareddy, F Jordan… - Angewandte Chemie …, 2022 - Wiley Online Library
Amide bond replacement with planar isosteric chalcogen analogues has an important
implication for the properties of the N− C (X) linkage in structural chemistry, biochemistry and …

Halide Abstraction-Mediated Synthesis of a Highly Twisted Amide

M Xu, KK Bullard, J Bacsa… - The Journal of Organic …, 2024 - ACS Publications
Highly strained [3.2. 1] bicyclic twisted amide 2 and corresponding amidium 10 were
synthesized for the first time through Ag (I)-mediated halide abstraction. After initial …

Construction of 2-Amino-2′-ketonyl Biaryls via Acid-Mediated Ring Opening of 9H-Fluoren-9-ols with Organic Azides

S Yang, B Hong, J Feng, Z Gu - Organic Letters, 2021 - ACS Publications
A direct cross-coupling between 9 H-fluoren-9-ols and organic azides for the synthesis of
steric hindered 2-amino-2′-ketonyl biaryls was reported. The reaction featured an acid …

A G4 approach to computing the Hammett substituent constants σp, σm, σ, σ+, and σ+m

A Yett, PR Rablen - Journal of Physical Organic Chemistry, 2023 - Wiley Online Library
By performing appropriate empirical scaling of G4 energy differences, it is possible to
calculate Hammett substituent constants σp, σm, σ−, σ+, and σ+ m with a typical accuracy …