Phosphazenyl Phosphines: The Most Electron‐Rich Uncharged Phosphorus Brønsted and Lewis Bases

S Ullrich, B Kovačević, X **e… - Angewandte Chemie …, 2019 - Wiley Online Library
It was discovered that phosphazenyl phosphines (PAPs) can be stronger P‐superbases
than the corresponding Schwesinger type phosphazene N‐superbases. A simple synthetic …

Design of non-ionic carbon superbases: second generation carbodiphosphoranes

S Ullrich, B Kovačević, B Koch, K Harms… - Chemical …, 2019 - pubs.rsc.org
A new generation of carbodiphosphoranes (CDPs), incorporating pyrrolidine,
tetramethylguanidine, or tris (dimethylamino) phosphazene as substituents is introduced as …

One-Pot Reductive Methylation of Nitro-and Amino-Substituted (Hetero) Aromatics with DMSO/HCOOH: Concise Synthesis of Fluorescent Dimethylamino …

P Osuský, M Smolíček, J Nociarová… - The Journal of …, 2022 - ACS Publications
One-pot reductive N, N-dimethylation of suitable nitro-and amino-substituted (hetero) arenes
can be achieved using a DMSO/HCOOH/Et3N system acting as a low-cost but efficient …

A new family of 1, 4-diaryl-1, 3-butadiynes based on the “proton sponge”: synthesis, electronic and chemical properties

EA Filatova, SV Tsybulin, DA Rybin… - New Journal of …, 2022 - pubs.rsc.org
A new family of 1, 4-diaryl-1, 3-butadiynes containing two and four fragments of 1, 8-bis
(dimethylamino) naphthalene (DMAN or “proton sponge”) were synthesized using various 2 …

Organoboron derivatives of 1, 8-bis (dimethylamino) naphthalene: Synthesis, structure, stability, and reactivity

VG Bardakov, AA Yakubenko, VA Verkhov… - …, 2022 - ACS Publications
A series of ortho-, meta-, and para-boronic acids and their pinacol esters of 1, 8-bis
(dimethylamino) naphthalene (DMAN), including the very first naphtho [1, 8-cd][1, 2, 6] …

Synthesis of 2‐Aryl‐and 2, 7‐Diaryl‐1, 8‐bis (dimethylamino) naphthalenes. Overview of the “Buttressing effect” in 2, 7‐Disubstituted Proton Sponges

EA Filatova, AV Gulevskaya, AF Pozharskii… - …, 2020 - Wiley Online Library
Suzuki arylation of 2‐halogeno and 2, 7‐dihalogeno derivatives of 1, 8‐bis (dimethylamino)
naphthalene (proton sponge) was carried out. It was shown that the sterically hindered …

How strong is hydrogen bonding to amide nitrogen?

VY Mikshiev, AF Pozharskii, A Filarowski… - …, 2020 - Wiley Online Library
The protonation of the carboxamide nitrogen atom is an essential part of in vivo and in vitro
processes (cis‐trans isomerization, amides hydrolysis etc). This phenomenon is well studied …

Modeling Biologically Important NH···π Interactions Using peri-Disubstituted Naphthalenes

AF Pozharskii, OV Dyablo, OG Pogosova… - The Journal of …, 2020 - ACS Publications
For the first time, systematic studies of 8-aryl and 8-pyrrolyl derivatives of 1-
aminonaphthalene as simple, synthetically available, and nicely preorganized models were …

Phosphazenylphosphine: Die elektronenreichsten ungeladenen Brønsted‐und Lewis‐Phosphor‐Basen

S Ullrich, B Kovačević, X **e… - Angewandte …, 2019 - Wiley Online Library
Abstract Wir entdeckten, dass Phosphazenylphosphine (PAPs) stärkere P‐Superbasen
darstellen als ihre korrespondierenden Schwesinger‐Phosphazen‐N‐Superbasen. Ein …

On the nature of inter-and intramolecular interactions involving benzo [h] quinoline and 10-hydroxybenzo [h] quinoline: Electronic ground state vs excited state study

A Jezierska, B Kizior, BM Szyja, JJ Panek - Journal of Molecular Structure, 2021 - Elsevier
The inter-and intramolecular interactions of benzo [h] quinoline and 10-hydroxybenzo [h]
quinoline have been studied using quantum-chemical methods. Here, we report on results …