Palladium and copper catalyzed Sonogashira cross coupling an excellent methodology for CC bond formation over 17 years: A review
Sonogashira coupling involves coupling of vinyl/aryl halides with terminal acetylenes
catalyzed by transition metals, especially palladium and copper. This is a well known …
catalyzed by transition metals, especially palladium and copper. This is a well known …
Vinylic tellurides: from preparation to their applicability in organic synthesis
The first organotellurium compound was reported more than 150 years ago with the
synthesis of diethyl telluride by Wöhler in 1840. 1 From its first discovery to the middle of the …
synthesis of diethyl telluride by Wöhler in 1840. 1 From its first discovery to the middle of the …
Advances in organic tellurium chemistry
N Petragnani, HA Stefani - Tetrahedron, 2005 - Elsevier
Four decades after the pioneering use of tellurium compounds in organic synthesis, it is
unnecessary to emphasize the rising interest directed toward this field of chemistry. This is …
unnecessary to emphasize the rising interest directed toward this field of chemistry. This is …
A convenient and efficient copper-catalyzed synthesis of unsymmetrical and symmetrical diaryl chalcogenides from arylboronic acids in ethanol at room temperature
A simple and convenient approach for the synthesis of unsymmetrical diaryl chalcogenides
(Te, Se, and S) has been developed by copper-catalyzed cross-coupling reaction of …
(Te, Se, and S) has been developed by copper-catalyzed cross-coupling reaction of …
Ultrasound-assisted synthesis of Z and E stilbenes by Suzuki cross-coupling reactions of organotellurides with potassium organotrifluoroborate salts
R Cella, HA Stefani - Tetrahedron, 2006 - Elsevier
Palladium (0)-catalyzed cross-coupling reactions between potassium aryl-and
vinyltrifluoroborate salts and aryl-and vinylic tellurides proceeds readily to afford the desired …
vinyltrifluoroborate salts and aryl-and vinylic tellurides proceeds readily to afford the desired …
PMHS-mediated couplings of alkynes or benzothiazoles with various electrophiles: Application to the synthesis of (−)-akolactone A
WP Gallagher, RE Maleczka - The Journal of Organic Chemistry, 2003 - ACS Publications
Polymethylhydrosiloxane (PMHS) in combination with CsF facilitates the cross-coupling of
alkynes or benzothiazoles with an array of vinyl, styryl, and aryl halides or nonaflates as well …
alkynes or benzothiazoles with an array of vinyl, styryl, and aryl halides or nonaflates as well …
Suzuki− Miyaura cross-coupling reactions of aryl tellurides with potassium aryltrifluoroborate salts
R Cella, RLOR Cunha, AES Reis… - The Journal of …, 2006 - ACS Publications
Palladium (0)-catalyzed cross-coupling between potassium aryltrifluoroborate salts and aryl
tellurides proceeds readily to afford the desired biaryls in good to excellent yield. The …
tellurides proceeds readily to afford the desired biaryls in good to excellent yield. The …
Selenium and tellurium electrophiles in organic synthesis
This chapter highlights the utility of electrophilic achiral and chiral organoselenium reagents
in organic synthesis. A range of reactions from alkene functionalizations, the …
in organic synthesis. A range of reactions from alkene functionalizations, the …
[HTML][HTML] Negishi cross-coupling of organotellurium compounds: synthesis of biaryls, aryl-, and diaryl acetylenes
HA Stefani, JM Pena, F Manarin, RA Ando, DM Leal… - Tetrahedron letters, 2011 - Elsevier
A functional group tolerant palladium-catalyzed Negishi coupling of diaryl tellurides with
organozinc has been developed. This methodology permits efficient preparation of biaryls …
organozinc has been developed. This methodology permits efficient preparation of biaryls …
Synthesis of 5‐Organotellanyl‐1H‐1,2,3‐triazoles: Functionalization of the 5‐Position Scaffold by the Sonogashira Cross‐Coupling Reaction
HA Stefani, SNS Vasconcelos… - European Journal of …, 2013 - Wiley Online Library
An efficient synthesis of 5‐organotellanyl‐1H‐1, 2, 3‐triazole compounds was accomplished
through [3+ 2] cycloaddition reaction of organic azides and (organotellanyl) alkynes …
through [3+ 2] cycloaddition reaction of organic azides and (organotellanyl) alkynes …