Promotion Mechanism of H2O for Stereoselectivity in Pd(II)-catalyzed C―H Arylation of Diarylphosphinamides with Arylboronic Acids
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Research in Chinese Universities"
DOI: 10.1007/s40242-019-9013-9
Abstract: On the basis of a series of control experiments and nuclear magnetic resonance analyses, it is discovered that Boc-protected amino acid ligand coordinated to Pd center is partly replaced by N,N-dimethylformamide, and H2O can inhibit… read more here.
Keywords: mechanism; arylation diarylphosphinamides; stereoselectivity catalyzed; arylboronic acids ... See more keywords
Palladium catalyzed synthesis of mandelate derivatives from arylboronic acids and glyoxylate hemiacetals
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.05.035
Abstract: NHC-coordinated cyclometalated palladium(II) catalyzed addition of arylboronic acids to methyl 2-hydroxy-2-methoxyacetate gave corresponding various functionalized methyl mandelate derivatives in good yields. read more here.
Keywords: synthesis mandelate; palladium catalyzed; arylboronic acids; catalyzed synthesis ... See more keywords
Mn(OAc)3*2H2O promoted addition of arylboronic acids to quinoxalin-2-ones
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.12.085
Abstract: Abstract A simple method has been developed for the synthesis of 3-aryl quinoxalin-2-one derivatives through an oxidative cross-coupling of arylboronic acids with quinoxalin-2-ones using a readily available oxidant Mn(III) acetate dihydrate. This method provides 3-aryl… read more here.
Keywords: 2h2o promoted; quinoxalin ones; arylboronic acids; acids quinoxalin ... See more keywords
Aqueous bile salt accelerated cascade synthesis of 1,2,3-triazoles from arylboronic acids
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2018.09.064
Abstract: Abstract A facile, efficient and mild copper catalyzed strategy for cascade synthesis of various 1,4-disubstituted 1,2,3-triazoles from arylboronic acids, sodium azide and alkynes was developed by using aqueous bile salt NaDC solution as an accelerating… read more here.
Keywords: triazoles arylboronic; bile salt; aqueous bile; cascade synthesis ... See more keywords
Stereoselective O-Glycosylation of Glycals with Arylboronic Acids Using Air as the Oxygen Source.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.1c04378
Abstract: An open-air palladium-catalyzed O-glycosylation was developed using glycals and arylboronic acids with base additives at ambient conditions. The novel approach enabled facile access to various O-glycosides in high yields, with exclusive 1,4-cis-stereoselectivity tolerating reactive hydroxyl/amino… read more here.
Keywords: air; arylboronic acids; stereoselective glycosylation; glycosylation glycals ... See more keywords
Palladium-Catalyzed Highly Regioselective C6 Arylation of Pyrrolo[2,3-d]pyrimidine Derivatives with Arylboronic Acids.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.3c00680
Abstract: A mild and selective C6 arylation strategy for pyrrolo[2,3-d]pyrimidine derivatives with arylboronic acids at room temperature is described. This unified protocol has been achieved by the synergistic combination of Pd(II)/TEMPO catalysis and CF3CO2H promotion under… read more here.
Keywords: derivatives arylboronic; pyrrolo pyrimidine; arylboronic acids; pyrimidine derivatives ... See more keywords
Palladium/Copper-Catalyzed Oxidative Coupling of Arylboronic Acids with Isocyanides: Selective Routes to Amides and Diaryl Ketones.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b01548
Abstract: An efficient and alternative oxidative cross-coupling strategy starting from arylboronic acids and isocyanides for the selective synthesis of amides and diaryl ketones with palladium/copper catalysis is developed. Various substituted benzamides and benzophenones could be obtained… read more here.
Keywords: palladium copper; acids isocyanides; amides diaryl; arylboronic acids ... See more keywords
Surface Nanoarchitectonics of Boron Nitride Nanosheets for Highly Efficient and Sustainable ipso-Hydroxylation of Arylboronic Acids.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c21545
Abstract: One of the important industrial processes commonly employed in the pharmaceutical, explosive, and plastic manufacturing industries is ipso-hydroxylation of arylboronic acids. In this work, a straightforward, metal-free methodology for the synthesis of phenols from arylboronic… read more here.
Keywords: boron nitride; hydroxylation arylboronic; nitride nanosheets; hydroxylation ... See more keywords
Pd-Catalyzed Organometallic-Free Homologation of Arylboronic Acids Enabled by Chemoselective Transmetalation
Sign Up to like & getrecommendations! Published in 2023 at "ACS Catalysis"
DOI: 10.1021/acscatal.3c00921
Abstract: A Pd-catalyzed homologation of arylboronic acids is reported. Halomethylboronic acid pinacol esters (Bpin) undergo a remarkably facile, yet rare, oxidative addition enabled by an α-boryl effect. Simultaneous chemoselective transmetalation allows use of these metalloid reagents… read more here.
Keywords: chemoselective transmetalation; catalyzed organometallic; homologation arylboronic; arylboronic acids ... See more keywords
Nickel-Catalyzed Carbonylation of Secondary Trifluoromethylated, Difluoromethylated, and Nonfluorinated Aliphatic Electrophiles with Arylboronic Acids under 1 atm of CO
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DOI: 10.1021/acscatal.9b04038
Abstract: The nickel-catalyzed carbonylation of aliphatic electrophiles with the most straightforward CO remains challenging. Here, we describe an example of the nickel-catalyzed carbonylation of secondary alkyl halides with arylboronic acids under 1 atm of CO. The… read more here.
Keywords: aliphatic electrophiles; carbonylation secondary; arylboronic acids; catalyzed carbonylation ... See more keywords
Palladium-catalyzed Cascade Reactions of δ-ketonitriles with Arylboronic Acids: Synthesis of Pyridines.
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DOI: 10.1021/acscombsci.9b00198
Abstract: This study presents the first example of the Pd-catalyzed cascade reactions of 5-oxohexanenitrile with arylboronic acids, affording important synthon 2-methylpyridines that can be further translated through C(sp3)-H functionalization to construct pyridine derivatives. Furthermore, this chemistry… read more here.
Keywords: cascade reactions; ketonitriles arylboronic; palladium catalyzed; arylboronic acids ... See more keywords