HFIP in organic synthesis

HF Motiwala, AM Armaly, JG Cacioppo… - Chemical …, 2022 - ACS Publications
1, 1, 1, 3, 3, 3-Hexafluoroisopropanol (HFIP) is a polar, strongly hydrogen bond-donating
solvent that has found numerous uses in organic synthesis due to its ability to stabilize ionic …

Transition-Metal-Catalyzed, Coordination-Assisted Functionalization of Nonactivated C(sp3)–H Bonds

B Liu, AM Romine, CZ Rubel, KM Engle… - Chemical reviews, 2021 - ACS Publications
Transition-metal-catalyzed, coordination-assisted C (sp3)–H functionalization has
revolutionized synthetic planning over the past few decades as the use of these directing …

Toolbox for distal C–H bond functionalizations in organic molecules

SK Sinha, S Guin, S Maiti, JP Biswas, S Porey… - Chemical …, 2021 - ACS Publications
Transition-metal-catalyzed C–H activation has developed a contemporary approach to the
omnipresent area of retrosynthetic disconnection. Scientific researchers have been tempted …

Hexafluoroisopropanol: the magical solvent for Pd-catalyzed C–H activation

T Bhattacharya, A Ghosh, D Maiti - Chemical Science, 2021 - pubs.rsc.org
Among numerous solvents available for chemical transformations, 1, 1, 1, 3, 3, 3-hexafluoro-
2-propanol (popularly known as HFIP) has attracted enough attention of the scientific …

Traditional and sustainable approaches for the construction of C–C bonds by harnessing C–H arylation

J Grover, G Prakash, N Goswami, D Maiti - Nature Communications, 2022 - nature.com
Biaryl scaffolds are found in natural products and drug molecules and exhibit a wide range
of biological activities. In past decade, the transition metal-catalyzed C–H arylation reaction …

Carboxylic acid directed γ-lactonization of unactivated primary C–H bonds catalyzed by Mn complexes: application to stereoselective natural product diversification

A Call, M Cianfanelli, P Besalú-Sala… - Journal of the …, 2022 - ACS Publications
Reactions that enable selective functionalization of strong aliphatic C–H bonds open new
synthetic paths to rapidly increase molecular complexity and expand chemical space …

Chiral transient directing groups in transition-metal-catalyzed enantioselective C–H bond functionalization

MI Lapuh, S Mazeh, T Besset - ACS Catalysis, 2020 - ACS Publications
Transition-metal-catalyzed C–H bond functionalization has known a rapid evolution in the
last years, offering modern strategies for reaching high molecular complexity in a step-and …

RETRACTED: Asymmetric remote C–H borylation of aliphatic amides and esters with a modular iridium catalyst

RL Reyes, M Sato, T Iwai, K Suzuki, S Maeda… - Science, 2020 - science.org
Site selectivity and stereocontrol remain major challenges in C–H bond functionalization
chemistry, especially in linear aliphatic saturated hydrocarbon scaffolds. We report the …

Enhancing Substrate–Metal Catalyst Affinity via Hydrogen Bonding: Pd(II)-Catalyzed β-C(sp3)–H Bromination of Free Carboxylic Acids

L Hu, G Meng, X Chen, JS Yoon, JR Shan… - Journal of the …, 2023 - ACS Publications
The achievement of sufficient substrate–metal catalyst affinity is a fundamental challenge for
the development of synthetically useful C–H activation reactions of weakly coordinating …

Recent advances in external-directing-group-free C–H functionalization of carboxylic acids without decarboxylation

J Das, DK Mal, S Maji, D Maiti - ACS Catalysis, 2021 - ACS Publications
The selective functionalization of C–H bonds is an extremely important topic in present-day
organic synthesis, as it utilizes the most abundant portion of a molecule as a tool for …