Efficient and Selective Multicomponent Oxidative Coupling of Two Different Aliphatic Primary Amines into Thioamides by Elemental Sulfur

2012 ◽  
Vol 14 (16) ◽  
pp. 4274-4277 ◽  
Author(s):  
Thanh Binh Nguyen ◽  
Ludmila Ermolenko ◽  
Ali Al-Mourabit
Keyword(s):  
Oxidative Coupling ◽  
Elemental Sulfur ◽  
Primary Amines

Effect of exposed facets of bismuth vanadate, controlled by ethanolamine, on oxidative coupling of primary amines

2021 ◽  
Author(s):  
Sadanan Boochakiat ◽  
Doldet Tantraviwat ◽  
Oraphan Thongsook ◽  
Soraya Pornsuwan ◽  
Andrew Nattestad ◽  
...  
Keyword(s):  
Oxidative Coupling ◽  
Bismuth Vanadate ◽  
Primary Amines ◽  
Exposed Facets

scholarly journals A dual biomimetic process for the selective aerobic oxidative coupling of primary amines using pyrogallol as a precatalyst. Isolation of the [5 + 2] cycloaddition redox intermediates

2020 ◽  
Vol 22 (6) ◽  
pp. 1894-1905 ◽  
Author(s):  
Martine Largeron ◽  
Patrick Deschamps ◽  
Karim Hammad ◽  
Maurice-Bernard Fleury
Keyword(s):  
Oxidative Coupling ◽  
Low Cost ◽  
Primary Amines ◽  
Processing Step

Low-cost pyrogallol precatalyst undergoes an oxidative self-processing step for delivering the active organocatalyst in situ through a dual biomimetic process.

ChemInform Abstract: Ruthenium-Catalyzed Oxidative Coupling of Primary Amines with Internal Alkynes Through C-H Bond Activation: Scope and Mechanistic Studies.

ChemInform ◽  
2015 ◽  
Vol 46 (39) ◽  
pp. no-no
Author(s):  
Sara Ruiz ◽  
Pedro Villuendas ◽  
Manuel A. Ortuno ◽  
Agusti Lledos ◽  
Esteban P. Urriolabeitia
Keyword(s):  
Oxidative Coupling ◽  
Bond Activation ◽  
Primary Amines ◽  
Mechanistic Studies ◽  
Internal Alkynes

scholarly journals Recent Advances in the Synthesis of Isothiocyanates Using Elemental Sulfur

Catalysts ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1081
Author(s):  
András Gy. Németh ◽  
Péter Ábrányi-Balogh
Keyword(s):  
Natural Products ◽  
Best Practices ◽  
Organic Synthesis ◽  
Elemental Sulfur ◽  
Biologically Active ◽  
Primary Amines ◽  
Pharmaceutical Ingredients ◽  
Recent Developments ◽  
In Situ Generation

Isothiocyanates (ITCs) are biologically active molecules found in several natural products and pharmaceutical ingredients. Moreover, due to their high and versatile reactivity, they are widely used as intermediates in organic synthesis. This review considers the best practices for the synthesis of ITCs using elemental sulfur, highlighting recent developments. First, we summarize the in situ generation of thiocarbonyl surrogates followed by their transformation in the presence of primary amines leading to ITCs. Second, carbenes and amines afford isocyanides, and the further reaction of this species with sulfur readily generates ITCs under thermal, catalytic or basic conditions. Additionally, we also reveal that in the catalyst-free reaction of isocyanides and sulfur, two—until this time overlooked and not investigated—different mechanistic pathways exist.

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