Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Thomas J. Kuczmera"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1677-1683 (2024)
We present N-heterocycle-stabilized iodanes (NHIs) as suitable reagents for the mild oxidation of activated alcohols. Two different protocols, both involving activation by chloride additives, were used to synthesize benzylic ketones and aldehydes wit
Externí odkaz:
https://doaj.org/article/693e425617a64258a89c6be3ffd5c595
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 12-16 (2024)
N-Acyl carbazoles can be efficiently produced through a single-step process using amides and cyclic diaryliodonium triflates. This convenient reaction is facilitated by copper iodide in p-xylene, using the commonly found activating ligand diglyme. We
Externí odkaz:
https://doaj.org/article/bfca03577e594a99a66f93cdae36ca33
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 317-324 (2023)
A systematic investigation of imidazo- and pyrazoloiodazinium salts is presented. Besides a robust synthetic protocol that allowed us to synthesize these novel cyclic iodonium salts in their mono- and dicationic forms, we gained in-depth structural i
Externí odkaz:
https://doaj.org/article/e765c4aefe1c4b24822005f5c819d584
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 11, Pp 1808-1811 (2019)
The title compound, C14H14N2S2, was obtained by transmetallation of 2,2′-bis(trimethylstannyl)azobenzene with methyl lithium, and subsequent quenching with dimethyl disulfide. The asymmetric unit comprises two half-molecules, the other halves being
Externí odkaz:
https://doaj.org/article/b45bb73a78eb408490f5ba7959610a89
Autor:
Yulia A. Vlasenko, Thomas J. Kuczmera, Nikita S. Antonkin, Rashid R. Valiev, Pavel S. Postnikov, Boris J. Nachtsheim
Publikováno v:
Advanced Synthesis & Catalysis. 365:535-543
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c13745c272fe77539ecf607f2aa2616a
https://doi.org/10.1002/adsc.202201001
https://doi.org/10.1002/adsc.202201001
Publikováno v:
Chemistry (Weinheim an Der Bergstrasse, Germany)
This article describes the application of N‐heterocyclic iod(az)olium salts (NHISs) as highly reactive organocatalysts. A variety of mono‐ and dicationic NHISs are described and utilized as potent XB‐donors in halogen‐bond catalysis. They wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1b0efc7eb786bea553c6c46191dc41f
https://doi.org/10.1002/chem.202101961
https://doi.org/10.1002/chem.202101961
Autor:
Yulia A. Vlasenko, Thomas J. Kuczmera, Nikita S. Antonkin, Pavel S. Postnikov, Boris J. Nachtsheim
Diaryliodonium salts are established electrophilic arylation reagents both in transition metal-catalyzed and transition metal-free reaction methods. Herein we present the application of azole-stabilized diaryliodonium salts with additional thiophen-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51cec3351f6e3fb94ec20f14a89f7cf6
https://doi.org/10.26434/chemrxiv-2022-qmknd
https://doi.org/10.26434/chemrxiv-2022-qmknd
Publikováno v:
European Journal of Organic Chemistry. 2022
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff99a61ca6f321fca4282c66e3f3f1b3
https://doi.org/10.1002/ejoc.202200276
https://doi.org/10.1002/ejoc.202200276
Herein we describe the first systematic investigation of cyclic iodonium salts (iodoliums and iodazoliums) and their performance as XB-donors in a variety of benchmark reactions. It was found that further N-alklyation of the N-heterocycle has a signi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2775af160018477882482a6806df2a7e
https://doi.org/10.26434/chemrxiv.14567472.v1
https://doi.org/10.26434/chemrxiv.14567472.v1
The synthesis of iodolopyrazolium triflates via an oxidative cyclization of 3-(2-iodophenyl)-1H-pyrazoles is described. The reaction is characterized by a broad substrate scope, and various applications of these novel cyclic iodolium salts acting as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3376c9d0d778659fa408b6951aff55fd
https://doi.org/10.26434/chemrxiv.12746204.v1
https://doi.org/10.26434/chemrxiv.12746204.v1