Nickel-catalyzed enantioconvergent and diastereoselective allenylation of alkyl electrophiles: simultaneous control of central and axial chirality

A Hossain, RL Anderson, CS Zhang… - Journal of the …, 2024 - ACS Publications
In recent years, remarkable progress has been described in the development of methods
that simultaneously control vicinal stereochemistry, wherein both stereochemical elements …

Photoredox/Copper Dual-Catalyzed Phosphorothiolation of Propargylic Derivatives for the Switchable Synthesis of S-Alkyl, S-Vinyl and S-Allenyl Phosphorothioates

S Shi, H Chen, S Yang, H Dong, J Zhu, B Zheng… - Organic …, 2024 - ACS Publications
Herein, we report a photoredox/copper dual-catalyzed selective phosphorothiolation of
propargylic derivatives from easily accessible [P (O) SH] compounds. This reaction provides …

Axially chiral α-boryl-homoallenyl boronic esters as versatile toolbox for accessing centrally and axially chiral molecules

Y **, J Lee, W Jo, J Yu, SH Cho - Nature Communications, 2024 - nature.com
Axially chiral allenes bearing organoboron groups are highly sought-after building blocks in
organic synthesis due to their potential for generating a wide range of axially and centrally …

Polycyclic Compounds from Allenes via Palladium-Mediated intramolecular carbopalladation/nucleophilic substitution cascade processes

MD Jovanovic, MR Petkovic, VM Savic - Synthesis, 2021 - thieme-connect.com
In recent decades transition metals have made a substantial contribution to the development
of novel synthetic processes, with palladium catalysis being, arguably, at the forefront of this …

Photoredox/nickel dual-catalyzed regioselective alkylation of propargylic carbonates for trisubstituted allenes

ZZ Zhou, XR Song, S Du, KJ **a, WF Tian… - Chemical …, 2021 - pubs.rsc.org
Herein, a highly regioselective alkylation of propargylic carbonates for trisubstituted allenes
with alkyl 1, 4-dihydropyridine derivatives (1, 4-DHPs) is developed via a photoredox/nickel …

Photo-induced nickel-mediated cross-electrophile coupling for alkylated allenes via electron donor–acceptor complexes

ZZ Zhou, XF Zhai, SL Zhang, KJ **a, H Ding… - Organic Chemistry …, 2023 - pubs.rsc.org
Herein, a highly regioselective alkylation of propargylic carbonates for trisubstituted allenes
with alkyl N-hydroxyphthalimide (NHP) esters was developed via a nickel-mediated radical …

Photoredox/nickel dual-catalyzed deaminative cross-electrophile for allenylic alkylation with non-activated alkyl katritzky salts

ZZ Zhou, XF Zhai, KJ **a, XR Song, H Ding… - Organic Chemistry …, 2024 - pubs.rsc.org
Herein, we report the first allenylic alkylation with bench-stable aliphatic amine-derived
Katritzky salts via photoredox/nickel dual-catalyzed reductive deaminative cross-electrophile …

In Situ Quench Reactions of Enantioenriched Secondary Alkyllithium Reagents in Batch and Continuous Flow Using an I/Li‐Exchange

A Kremsmair, HR Wilke, JH Harenberg… - Angewandte Chemie …, 2023 - Wiley Online Library
We report a practical in situ quench (ISQ) procedure involving the generation of chiral
secondary alkyllithiums from secondary alkyl iodides (including functionalized iodides …

General stereoretentive preparation of chiral secondary mixed alkylmagnesium reagents and their use for enantioselective electrophilic aminations

A Kremsmair, HR Wilke, MM Simon, Q Schmidt… - Chemical …, 2022 - pubs.rsc.org
A general preparation of enantiomerically and diastereomerically enriched secondary
alkylmagnesium reagents was reported as well as their use for performing highly …

Rh(I)‐Catalyzed Decarboxylative Arylation of Alkynyl Cyclic Carbonates: Divergent Access to Substituted α‐Allenols and 1,3‐Butadienes

GS Sontakke, RK Shukla… - Advanced Synthesis & …, 2022 - Wiley Online Library
Rh (I)‐catalyzed decarboxylative arylation of alkynyl cyclic carbonates using commercially
available and low‐toxic aryl boronic acids has been disclosed. Depending on the nature of …