Chitosan supported Pd0 nanoparticles encaged in Al or Al-Fe pillared montmorillonite and their catalytic activities in Sonogashira coupling reactions
Sign Up to like & getrecommendations! Published in 2020 at "Applied Clay Science"
DOI: 10.1016/j.clay.2020.105721
Abstract: Abstract In this study, the excellent chelating capability of chitosan (CS) and remarkable physical properties of Al or Al-Fe pillared montmorillonite (Mt) (i.e. high adsorption/diffusion capacity, thermal stability, and mechanical property, etc.) have been combined… read more here.
Keywords: pillared montmorillonite; sonogashira coupling; chitosan supported; coupling reactions ... See more keywords
Recent advances in polymer supported palladium complexes as (nano)catalysts for Sonogashira coupling reaction
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2019.110645
Abstract: Abstract Palladium (Pd) complexes supported on the polymers have been widely used in various organic syntheses endeavors because of their thermal stability, high catalytic activities and recyclability. This article provides contemporary advancements in the deployment… read more here.
Keywords: palladium complexes; sonogashira coupling; advances polymer; recent advances ... See more keywords
Stacking MFI zeolite structures for improved Sonogashira coupling reactions
Sign Up to like & getrecommendations! Published in 2019 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2018.09.039
Abstract: Abstract We designed a zeolite stacking structure by using hydraulic pressing and programmed temperature calcination synthesis procedures. ZSM-5 type zeolites with particle sizes of approximately 100 nm, 1 μm and 2 μm were used to synthesize stacking ZSM-5… read more here.
Keywords: stacking mfi; structure; zsm; coupling reactions ... See more keywords
Synthesis of new 2-substituted pyrazolo[5,1-b][1,3]oxazoles via Sonogashira coupling reactions in water
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron"
DOI: 10.1016/j.tet.2017.04.062
Abstract: Abstract New 2-substituted pyrazolo[5,1- b ][1,3]oxazoles are synthesized through the Sonogashira coupling reaction of 2-iodomethyl-6-methylpyrazolo[5,1- b ][1,3]oxazole with terminal alkynes in the presence of a palladium catalyst. This process is carried out in the absence… read more here.
Keywords: synthesis new; water; sonogashira coupling; new substituted ... See more keywords
Palladium-Catalyzed Sonogashira Coupling of a Heterocyclic Phosphonium Salt with a Terminal Alkyne.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01800
Abstract: An efficient Sonogashira coupling of a heterocyclic phosphonium salt with a terminal alkyne via C-P bond cleavage was developed. The reactions proceeded smoothly in the presence of palladium catalyst, copper(I) iodide, and N,N-diisopropylethylamine (DIPEA) in… read more here.
Keywords: coupling heterocyclic; phosphonium salt; heterocyclic phosphonium; sonogashira coupling ... See more keywords
Palladium-Supported Polydopamine-Coated NiFe2O4@TiO2: A Sole Photocatalyst for Suzuki and Sonogashira Coupling Reactions under Sunlight Irradiation
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c03603
Abstract: The effective utilization of solar energy in synthetic organic chemistry has gained extensive attention owing to its enormous energy and environmentally benign nature. In this context, we designed and synthesized a magnetically retrievable, sole palladium… read more here.
Keywords: sunlight irradiation; spectroscopy; microscopy; sonogashira coupling ... See more keywords
Efficient access to materials-oriented aromatic alkynes via the mechanochemical Sonogashira coupling of solid aryl halides with large polycyclic conjugated systems
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Science"
DOI: 10.1039/d1sc05257h
Abstract: Sonogashira coupling represents an indispensable tool for the preparation of organic materials that contain C(sp)–C(sp2) bonds. Improving the efficiency and generality of this methodology has long been an important research subject in materials science. Here,… read more here.
Keywords: materials oriented; sonogashira coupling; mechanochemical sonogashira; coupling solid ... See more keywords
Sonogashira coupling of the ethynyl monocarborane [CB11H11-12-CCH].
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt01048h
Abstract: The Sonogashira cross coupling between the monocarborane cluster 12-ethynylmonocarba-closo-dodecaborate [CB11H11-12-CCH]- and bromoarenes under Pd catalysis has been developed, providing access to aryl carboranyl alkynes in yields of 42-95%. The transformations proceed under mild conditions and… read more here.
Keywords: monocarborane; coupling ethynyl; sonogashira coupling; ethynyl monocarborane ... See more keywords
Assessing the environmental benefit of palladium-based single-atom heterogeneous catalysts for Sonogashira coupling
Sign Up to like & getrecommendations! Published in 2022 at "Green Chemistry"
DOI: 10.1039/d2gc01853e
Abstract: The Pd–Cu catalysed Sonogashira coupling of terminal alkynes and aryl halides is a cornerstone synthetic strategy for C–C bond formation. Homogeneous organometallic systems conventionally applied are typically not reusable and require efficient downstream Pd removal… read more here.
Keywords: assessing environmental; heterogeneous catalysts; single atom; benefit palladium ... See more keywords
Photoinduced inverse Sonogashira coupling reaction
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Science"
DOI: 10.1039/d2sc01933g
Abstract: Alkynes are widely used in chemistry, medicine and materials science. Here we demonstrate a transition-metal and photocatalyst-free inverse Sonogashira coupling reaction between iodoalkynes and (hetero)arenes or alkenes under visible-light irradiation. Mechanistic and computational studies suggest… read more here.
Keywords: coupling reaction; inverse sonogashira; chemistry; sonogashira coupling ... See more keywords