Results 21 to 30 of about 6,068,014 (260)

Recent Advances on Synthetic Methodology Merging C–H Functionalization and C–C Cleavage

open access: yesMolecules, 2020
The functionalization of C–H bonds has become a major thread of research in organic synthesis that can be assessed from different angles, for instance depending on the type of catalyst employed or the overall transformation that is carried out.
Hamid Azizollahi   +1 more
doaj   +1 more source

Ru-Catalyzed Selective C–H Functionalization of Pyridotriazoles with Acrylates

open access: yesSynOpen, 2021
Ruthenium-catalyzed efficient and selective C–H alkenylation of pyridotriazoles with acrylates is described. The combination of metals (Ru and Fe) plays a crucial role in achieving quantitative yields of the desired products.
Abhisek Joshi   +2 more
doaj   +1 more source

When metal-catalyzed C–H functionalization meets visible-light photocatalysis

open access: yesBeilstein Journal of Organic Chemistry, 2020
While aiming at sustainable organic synthesis, over the last decade particular attention has been focused on two modern fields, C–H bond activation, and visible-light-induced photocatalysis.
Lucas Guillemard, Joanna Wencel-Delord
doaj   +1 more source

Photoredox C–H functionalization leads the site-selective phenylalanine bioconjugation

open access: yesScientific Reports, 2022
Site-selectively chemical bioconjugation of peptides and proteins can improve the therapeutic exploration of modified protein drugs. Only 3.8% natural abundance of phenylalanine in protein and nearly 90% of proteins contain at least one phenylalanine ...
Yue Weng   +3 more
doaj   +1 more source

Modern strategies for C–H functionalization of heteroarenes with alternative coupling partners

open access: yesChem, 2021
Summary Heteroarenes containing oxygen, nitrogen, and/or sulfur are important in numerous aspects of chemistry and everyday life. C–H functionalization of heteroarenes represents the fastest and most atom-economical approach for the synthesis of complex ...
Binlin Zhao   +2 more
semanticscholar   +1 more source

From Pd(OAc)2 to Chiral Catalysts: The Discovery and Development of Bifunctional Mono-N-Protected Amino Acid Ligands for Diverse C–H Functionalization Reactions

open access: yesAccounts of Chemical Research, 2020
Conspectus. The functionalization of unactivated carbon–hydrogen (C–H) bonds is a transformative strategy for the rapid construction of molecular complexity given the ubiquitous presence of C–H bonds in organic molecules.
Qian Shao   +4 more
semanticscholar   +1 more source

Diversification of pharmaceutical molecules via late-stage C(sp2)–H functionalization

open access: yesGreen Synthesis and Catalysis, 2023
C–H late-stage functionalization has gradually become a powerful approach for the rapid optimization of lead compounds’ bioactivity. Significant advances in this field have been achieved in the past few years, mainly, the C–H functionalization system in (
Weidong Shang   +3 more
doaj   +1 more source

Transition-metal-free electrochemical-induced active C(sp3)-H functionalization

open access: yesGreen Chemistry Letters and Reviews, 2023
Direct C–H bond functionalization is the most effective technique to construct C–X (X = C, N, O, S, etc.), which could simplify the conventional synthesis methods.
Xiaolong Ma   +4 more
doaj   +1 more source

Engineered and Artificial Metalloenzymes for Selective C–H Functionalization

open access: yesCurrent Opinion in Green and Sustainable Chemistry, 2021
The direct functionalization of C–H bonds constitutes a powerful strategy to construct and diversify organic molecules. However, controlling the chemo- and site-selectivity of this transformation in particularly complex molecular settings represents a ...
Xinkun Ren, R. Fasan
semanticscholar   +1 more source

Strategies to transform remote C(sp3)-H bonds of amino acid derivatives

open access: yesTetrahedron Chem, 2022
Amino acids and peptides play an important role in nature as well as in the pharmaceutical industry. Therefore, transformation of amino acids and peptides into their unnatural derivatives via step and atom economical ways is highly demanding. Although, a
Supreeta Sen   +2 more
doaj   +1 more source

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