Recent developments for the deuterium and tritium labeling of organic molecules

S Kopf, F Bourriquen, W Li, H Neumann… - Chemical …, 2022 - ACS Publications
Organic compounds labeled with hydrogen isotopes play a crucial role in numerous areas,
from materials science to medicinal chemistry. Indeed, while the replacement of hydrogen by …

Challenges and breakthroughs in selective amide activation

M Feng, H Zhang, N Maulide - Angewandte Chemie, 2022 - Wiley Online Library
In contrast to ketones and carboxylic esters, amides are classically seen as comparatively
unreactive members of the carbonyl family, owing to their unique structural and electronic …

Direct synthesis of enamides via electrophilic activation of amides

P Spieß, M Berger, D Kaiser… - Journal of the American …, 2021 - ACS Publications
A novel, one-step N-dehydrogenation of amides to enamides is reported. This reaction
employs the unlikely combination of LiHMDS and triflic anhydride, which serves as both the …

Catalyst‐Dependent Stereospecific [3,3]‐Sigmatropic Rearrangement of Sulfoxide‐Ynamides: Divergent Synthesis of Chiral Medium‐Sized N,S‐Heterocycles

GY Zhu, JJ Zhou, LG Liu, X Li, XQ Zhu, X Lu… - Angewandte …, 2022 - Wiley Online Library
Medium‐sized N, S‐heterocycles have received tremendous interest due to their biological
activities and potential medical applications. However, asymmetric synthesis of these …

Free Amino Group Transfer via α‐Amination of Native Carbonyls

M Feng, AJ Fernandes, A Sirvent… - Angewandte Chemie …, 2023 - Wiley Online Library
We report herein a straightforward transfer of a free amino group (NH2) from a commercially
available nitrogen source to unfunctionalized, native carbonyls (amides and ketones) …

Electrochemical α-deuteration of amides

S Ning, C Wu, L Zheng, M Liu, Y Zhang, X Che… - Green …, 2023 - pubs.rsc.org
Precise deuterium incorporation of bioactive molecules is highly desirable in order to
improve ADME properties and monitor pharmacokinetics. Organic electrochemistry offers a …

Membrane-free selective oxidation of thioethers with water over a nickel phosphide nanocube electrode

S Han, C Wang, Y Shi, C Liu, Y Yu, S Lu… - Cell Reports Physical …, 2021 - cell.com
Developing a membrane-free oxidation reaction, especially using water as the oxygen
source, to generate high-value chemicals with high selectivity for replacing low-value O 2 …

Sulfonium Rearrangements Enable the Direct Preparation of Sulfenyl Imidinium Salts

CR Gonçalves, I Klose, S Placidi, D Kaiser… - Angewandte …, 2024 - Wiley Online Library
Sulfenyl imidinium salts are a virtually unexplored class of intermediates in organic
chemistry. Herein, we demonstrate how sulfonium rearrangements can be deployed to …

Interrupted Furan–Yne Cyclization: Access to Unsaturated Dicarbonyl Compounds and Their Subsequent Transformation into Functionalized Pyridazines

YA Vasev, ER Nasibullina, AS Makarov… - Organic …, 2023 - ACS Publications
The key carbenoid intermediate of transition-metal-catalyzed furan–yne cyclization in
Hashmi phenol synthesis could be efficiently intercepted with water under the developed …

Revelation of bimolecular tautomerization induced by the concerted and radical interactions in lignin pyrolysis

W Xie, B Hu, W Zhang, H Li, G Song, J Liu… - Journal of Energy …, 2023 - Elsevier
Bimolecular interactions play crucial roles in lignin pyrolysis. The tautomerization of key
intermediates has a significant impact on the formation of stable products, whereas …