Results 31 to 40 of about 26,610,004 (213)

Stereoselective C−B and C−H Bonds Functionalization of polyBorylated Alkenes [PDF]

open access: yes, 2023
Alkenes are fundamental functional groups which feature in various materials and bioactive molecules; however, efficient divergent strategies for their stereodefined synthesis are difficult.
Narendra K., Vaishanv   +3 more
core   +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

Radical‐Promoted Distal C‐H Functionalization of C(sp3) Centers with Fluorinated Moieties

open access: yes, 2020
International audienceDue to their unique properties, fluorinated scaffolds are pivotal compounds in pharmaceuticals, agrochemicals and materials science.
Tatiana Besset   +5 more
core   +1 more source

Multitask Prediction of Site Selectivity in Aromatic C-H Functionalization Reactions [PDF]

open access: yes, 2019
Aromatic C-H functionalization reactions are an important part of the synthetic chemistry toolbox. Accurate prediction of site selectivity can be crucial for prioritizing target compounds and synthetic routes in both drug discovery and process chemistry.
Klavs F. Jensen (5815258)   +8 more
core   +1 more source

Enantioselective Single and Dual a-C–H Bond Functionalization of Cyclic Amines via Enzymatic Carbene Transfer [PDF]

open access: yes, 2022
Cyclic amines are ubiquitous structural motifs found in pharmaceuticals and biologically active natural products, making methods for their elaboration via direct C–H functionalization of considerable synthetic value.
Bo M. , Couture   +5 more
core   +2 more sources

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

Organocatalytic Asymmetric α-C-H Functionalization of Alkyl Amines [PDF]

open access: yes, 2023
Catalytic enantioselective α-C–H functionalization of achiral amines could provide an ideal synthetic approach toward chiral amines. The alkyl amines constitute the most diverse and synthetically important class of achiral amines.
Cheng, Cheng   +9 more
core   +2 more sources

C-H Functionalization Reactions of Unprotected N-Heterocycles by Gold Catalyzed Carbene Transfer [PDF]

open access: yes, 2020
The C-H functionalization reaction of N-heterocycles with unprotected N-H group is one of the most step-economic strategies to introduce functional groups without the need of installation and removal of protecting groups.
Polina, Aseeva   +5 more
core   +2 more sources

Use of Emerging C–H Functionalization Methods to Implement Strategies for the Divergent Total Syntheses of Bridged Polycyclic Natural Products [PDF]

open access: yes, 2023
Carbon–hydrogen (C–H) bonds are ubiquitous in complex natural products. Over the past three decades, many methods to convert C–H bonds distal from functional groups, which were generally considered inert, have been developed.
Richmond, Sarpong, Goh, Sennari
core   +1 more source

C-H Functionalization via Iron-Catalyzed Carbene-Transfer Reactions

open access: yesMolecules, 2020
The direct C-H functionalization reaction is one of the most efficient strategies by which to introduce new functional groups into small organic molecules.
Claire Empel   +2 more
doaj   +1 more source

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