Efficient construction of 5H-1,4-benzodiazepine derivatives by a catalyst-free direct aerobic oxidative annulation strategy.
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DOI: 10.1002/cssc.202100703
Abstract: A catalyst-free direct aerobic oxidative annulation reaction of 2-aminobenzylic amines and α- hydroxyl ketones can efficiently afford the versatile 5 H -1,4-benzodiazepine derivatives by employing air as the economic and green oxidant under mild conditions.… read more here.
Keywords: direct aerobic; free direct; oxidative annulation; benzodiazepine ... See more keywords
Mask-Free Direct Printing of Highly Customizable, Conformable, Robust, and Recyclable Microelectrodes for Advanced Curvy Electronics.
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DOI: 10.1002/smll.202410201
Abstract: Highly conformal and mechanically robust curvy electronics that seamlessly adapt to sophisticated and unpredictable 3D geometries provide breakthrough solutions in advanced fields such as health monitoring, wireless energy transmission, and human-computer interface. Nevertheless, existing material… read more here.
Keywords: free direct; direct printing; mask free; skin ... See more keywords
Metal-Free Direct Deoxygenative Borylation of Aldehydes and Ketones.
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DOI: 10.1021/jacs.0c03813
Abstract: Direct conversion of aldehydes and ketones into alkylboronic esters via deoxygenative borylation represents an unknown yet highly desirable transformation. Herein, we present a one-step and metal-free method for carbonyl deoxy-borylation under mild conditions. A wide… read more here.
Keywords: free direct; borylation; aldehydes ketones; deoxygenative borylation ... See more keywords
Amide-assisted radical strategy: metal-free direct fluorination of arenes in aqueous media
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DOI: 10.1039/c7gc00356k
Abstract: A metal- and initiator-free direct fluorination of arenes with the assistance of an amide group is developed. This reaction proceeded under simple aqueous conditions with good functional group tolerance and ortho–para selectivity, and is highly… read more here.
Keywords: free direct; direct fluorination; metal; fluorination arenes ... See more keywords
A ligand-free direct heteroarylation approach for benzodithiophenedione-based simple small molecular acceptors toward high efficiency polymer solar cells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry A"
DOI: 10.1039/d0ta12288b
Abstract: Simple fused-ring nonfullerene acceptor BDDEH with benzobithiophenedione as core unit is obtained through organostannane-free and ligand-free direct heteroarylation approach for the first time, which delivers a high efficiency of 12.59% in PSCs. read more here.
Keywords: free direct; ligand free; high efficiency; heteroarylation approach ... See more keywords