Metal-free synthesis of secondary amines by the reaction of tosyl triazene and aryl boronic acid

2018 ◽  
Vol 48 (6) ◽  
pp. 656-662 ◽  
Author(s):  
Manas Jyoti Sarma ◽  
Prodeep Phukan
Keyword(s):  
Boronic Acid ◽  
Secondary Amines ◽  
Metal Free ◽  
Aryl Boronic Acid

scholarly journals Recent Advances in Transition-Metal-Free (4+3)-Annulations

Synthesis ◽  
2021 ◽  
Author(s):  
Heather Lam ◽  
Mark Lautens ◽  
Xavier Abel-Snape ◽  
Martin F. Köllen
Keyword(s):  
Transition Metal ◽  
Boronic Acid ◽  
Lewis Acids ◽  
Acid Catalysis ◽  
Heterocyclic Carbenes ◽  
Bronsted Acids ◽  
Metal Free ◽  
Previous Review ◽  
Dual Activation ◽  
Metal Catalyzed

Abstract(4+3)-Annulations are incredibly versatile reactions which combine a 4-atom synthon and a 3-atom synthon to form both 7-membered carbocycles as well as heterocycles. We have previously reviewed transition-metal-catalyzed (4+3)-annulations. In this review, we will cover examples involving bases, NHCs, phosphines, Lewis and Brønsted acids as well as some rare examples of boronic acid catalysis and photocatalysis. In analogy to our previous review, we exclude annulations involving cyclic dienes like furan, pyrrole, cyclohexadiene or cyclopentadiene, as Chiu, Harmata, Fernándes and others have recently published reviews encompassing such substrates. We will however discuss the recent additions (2010–2020) to the literature on (4+3)-annulations involving other types of 4-atom-synthons.1 Introduction2 Bases3 Annulations Using N-Heterocyclic Carbenes3.1 N-Heterocyclic Carbenes (NHCs)3.2 N-Heterocyclic Carbenes and Base Dual-Activation4 Phosphines5 Acids5.1 Lewis Acids5.2 Brønsted Acids6 Boronic Acid Catalysis and Photocatalysis7 Conclusion

scholarly journals Sequential catalysis: exploiting a single rhodium(i) catalyst to promote an alkyne hydroacylation–aryl boronic acid conjugate addition sequence

2017 ◽  
Vol 8 (1) ◽  
pp. 536-540 ◽  
Author(s):  
Maitane Fernández ◽  
Matthias Castaing ◽  
Michael C. Willis
Keyword(s):  
Boronic Acid ◽  
Conjugate Addition ◽  
Controlled Assembly ◽  
Bond Forming ◽  
Bond Forming Reactions ◽  
Acid Conjugate ◽  
Aryl Boronic Acid

We demonstrate that a single Rh(i) complex can promote two mechanistically distinct C–C bond-forming reactions – alkyne hydroacylation and aryl boronic acid conjugate addition – to deliver substituted ketone products from the controlled assembly of three readily available fragments.

scholarly journals Mechanism of Cu-Catalyzed Aryl Boronic Acid Halodeboronation Using Electrophilic Halogen: Development of a Base-Catalyzed Iododeboronation for Radiolabeling Applications

2019 ◽  
Vol 21 (7) ◽  
pp. 2488-2492 ◽  
Author(s):  
John J. Molloy ◽  
Kerry M. O’Rourke ◽  
Carolina P. Frias ◽  
Nikki L. Sloan ◽  
Matthew J. West ◽  
...  
Keyword(s):  
Boronic Acid ◽  
Aryl Boronic Acid

Cu(acac)2-CatalyzedN-Arylations of Phenylurea with Aryl Boronic Acid

2012 ◽  
Vol 42 (11) ◽  
pp. 1704-1714 ◽  
Author(s):  
Sandip Gavade ◽  
Ravi Balaskar ◽  
Madhav Mane ◽  
Pramod N. Pabrekar ◽  
Dhananjay Mane
Keyword(s):  
Boronic Acid ◽  
Aryl Boronic Acid

Nucleophilic trifluormethylation of aryl boronic acid under heterogeneous Cu(INA) 2 catalysis at room temperature: The catalytic copper-based protocol

2017 ◽  
Vol 436 ◽  
pp. 60-66 ◽  
Author(s):  
Tu V. Nguyen ◽  
Toan D. Ong ◽  
Anh H.M. Lam ◽  
Vu. T. Pham ◽  
Nam T.S. Phan ◽  
...  
Keyword(s):  
Boronic Acid ◽  
Room Temperature ◽  
Aryl Boronic Acid

Properties of a Model Aryl Boronic Acid and Its Boroxine

2012 ◽  
Vol 101 (9) ◽  
pp. 3190-3198 ◽  
Author(s):  
William A. Marinaro ◽  
Loren J. Schieber ◽  
Eric J. Munson ◽  
Victor W. Day ◽  
Valentino J. Stella
Keyword(s):  
Boronic Acid ◽  
Aryl Boronic Acid

ChemInform Abstract: Pd-Catalyzed Oxidative C-H Arylation of Heterocycle Embedded Thiophene/Furan with Aryl Boronic Acid/Ester.

ChemInform ◽  
2015 ◽  
Vol 46 (14) ◽  
pp. no-no
Author(s):  
R. Srinivasan ◽  
R. Senthil Kumaran ◽  
N. S. Nagarajan
Keyword(s):  
Boronic Acid ◽  
Acid Ester ◽  
Aryl Boronic Acid

Spectroscopic behavior, FMO, NLO and NBO analysis of two novel aryl boronic acid derivatives: Experimental and theoretical insights

2019 ◽  
Vol 1181 ◽  
pp. 474-487 ◽  
Author(s):  
Kalpana Sharma ◽  
Raveendra Melavanki ◽  
S.S. Patil ◽  
Raviraj Kusanur ◽  
N.R. Patil ◽  
...  
Keyword(s):  
Boronic Acid ◽  
Nbo Analysis ◽  
Boronic Acid Derivatives ◽  
Spectroscopic Behavior ◽  
Aryl Boronic Acid
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