Combining Photo‐Organo Redox‐ and Enzyme Catalysis Facilitates Asymmetric C‐H Bond Functionalization
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201801692
Abstract: In this study, we combined photo‐organo redox catalysis and biocatalysis to achieve asymmetric C–H bond functionalization of simple alkane starting materials. The photo‐organo catalyst anthraquinone sulfate (SAS) was employed to oxyfunctionalise alkanes to aldehydes and… read more here.
Keywords: organo; bond functionalization; organo redox; photo organo ... See more keywords
Oxidation-induced ortho-selective C–H bond functionalization of 2-naphthylamine derivative
Sign Up to like & getrecommendations! Published in 2018 at "Science China Chemistry"
DOI: 10.1007/s11426-018-9218-5
Abstract: Selective C–H bond functionalization has been emerged as a versatile strategy for the construction of new chemical bonds. In the past decades, the directing group (DG)-assisted C–H bond activation has been developed as one of… read more here.
Keywords: oxidation induced; bond; bond functionalization; selective bond ... See more keywords
C-Ni bond functionalization in the reaction of binuclear cyclometallated Ni(II) complexes with chlorophosphines
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Saudi Chemical Society"
DOI: 10.1016/j.jscs.2020.101178
Abstract: Abstract This manuscript reports successful C-H nickellation of the aryl phosphinites (i-Pr2P(O-aryl) derived from un-substituted/substituted phenols: C6H5OH, 4-R-C6H4OH (R = F, MeO). Nickellation was observed with the phosphinites at an ortho-C-H position to generate Br-bridged dimers [{κP,κC-(i-Pr)2PO-aryl}cNi(μ-Br)]2… read more here.
Keywords: bond functionalization; reaction binuclear; functionalization reaction; reaction ... See more keywords
Synthesis of diaryl sulfides through C H bond functionalization of arylamides with cobalt salt and elemental sulfur
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2019.02.032
Abstract: Abstract A cobalt(II)-mediated, highly chemoselective thioarylation reaction of arylamides with elemental sulfur was reported. This reaction led to the formation of various symmetric diaryl sulfides in yields of up to 65% under mild reaction conditions.… read more here.
Keywords: elemental sulfur; synthesis diaryl; sulfides bond; diaryl sulfides ... See more keywords
Propargyl α-aryl-α-diazoacetates as robust reagents for the effective C H bond functionalization of 1,3-diketones via scandium catalysis
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2019.06.026
Abstract: Abstract Propargyl α-aryl-α-diazoacetate a new class of reagent is developed for the effective C H bond functionalization of 1,3-diketones at room temperature. The combination of scandium triflate and propargyl α-aryl-α-diazoacetate proved to be efficient catalyst-reagent… read more here.
Keywords: functionalization diketones; effective bond; propargyl aryl; bond functionalization ... See more keywords
N-Pyridylimidates as Traceless Acyl Equivalents for Directed C-O Bond Functionalization.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c03961
Abstract: Directing groups are a common strategy to target traditionally inert bonds, with an easily removable directing group being ideal. Herein we disclose our method for rhodium-catalyzed C-O bond functionalization of N-pyridylimidates using a recyclable and… read more here.
Keywords: pyridylimidates traceless; traceless acyl; bond; bond functionalization ... See more keywords
Palladium-Catalyzed C-H Bond Functionalization of 6,6-Diphenylfulvenes: An Easier Access to C1-Arylated and C1,C4-Diarylated Fulvenes.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b00900
Abstract: Conditions allowing the palladium-catalyzed regioselective direct arylation of fulvene derivatives are reported. The nature of the aryl source exhibits an important influence on the yield. The reaction of fulvenes with aryl bromides gave poor yields,… read more here.
Keywords: diphenylfulvenes easier; bond functionalization; functionalization diphenylfulvenes; palladium catalyzed ... See more keywords
N-Bromosuccinimide (NBS)-Catalyzed C-H Bond Functionalization: An Annulation of Alkynes with Electron Withdrawing Group (EWG)-Substituted Acetyl Indoles for the Synthesis of Carbazoles.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b03021
Abstract: An N-bromosuccinimide-catalyzed intermolecular annulation of acetyl indoles with alkynes was developed, allowing for regioselective formation of valuable carbazoles through direct C-H bond functionalization. The readily available catalyst, wide substrate scope, gram scale synthesis, and mild… read more here.
Keywords: bond functionalization; annulation; synthesis; acetyl indoles ... See more keywords
Trifunctionalization of Allenes via Cobalt-Catalyzed MHP-Assisted C–H Bond Functionalization and Molecular Oxygen Activation
Sign Up to like & getrecommendations! Published in 2018 at "ACS Catalysis"
DOI: 10.1021/acscatal.8b01720
Abstract: We have developed an approach for the cobalt-catalyzed trifunctionalization of allenes to form versatile 3-acylquinolines in the presence of molecular oxygen with moderate to good yields in high regioselectivity. C–H bond functionalization of benzoic hydrazides… read more here.
Keywords: molecular oxygen; bond functionalization; trifunctionalization allenes; cobalt catalyzed ... See more keywords
Rieske Oxygenase Catalyzed C–H Bond Functionalization Reactions in Chlorophyll b Biosynthesis
Sign Up to like & getrecommendations! Published in 2022 at "ACS Central Science"
DOI: 10.1021/acscentsci.2c00058
Abstract: Rieske oxygenases perform precise C–H bond functionalization reactions in anabolic and catabolic pathways. These reactions are typically characterized as monooxygenation or dioxygenation reactions, but other divergent reactions are also catalyzed by Rieske oxygenases. Chlorophyll(ide) a… read more here.
Keywords: rieske; bond functionalization; cao; rieske oxygenase ... See more keywords
Pentamethylcyclopentadienyl rhodium(III)–chiral disulfonate hybrid catalysis for enantioselective C–H bond functionalization
Sign Up to like & getrecommendations! Published in 2018 at "Nature Catalysis"
DOI: 10.1038/s41929-018-0106-5
Abstract: Though Cp*Rh(iii) complexes are prominent and versatile catalysts for C–H bond functionalization reactions, catalytic stereocontrol is difficult due to the lack of vacant coordination sites. Here, we report a hybrid strategy for inducing chirality without… read more here.
Keywords: bond functionalization; rhodium iii; bond; pentamethylcyclopentadienyl rhodium ... See more keywords