Creating stereocenters within acyclic systems by C–C bond cleavage of cyclopropanes

Y Cohen, A Cohen, I Marek - Chemical Reviews, 2020 - ACS Publications
Recent developments in the stereoselective synthesis of polysubstituted cyclopropanes
nowadays allow chemists to easily access these strained rings with high diastereo-and …

Recent advances in ring-opening of donor acceptor cyclopropanes using C-nucleophiles

K Ghosh, S Das - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
Ring-opening transformations of donor–acceptor cyclopropanes (DAC) with carbon-
centered nucleophiles is a simple, straight-forward approach to 1, 3-bifunctional compounds …

α‐Selective ring‐opening reactions of bicyclo [1.1. 0] butyl boronic ester with nucleophiles

L Guo, A Noble, VK Aggarwal - Angewandte Chemie, 2021 - Wiley Online Library
Abstract The reaction of bicyclo [1.1. 0] butyl pinacol boronic ester (BCB‐Bpin) with
nucleophiles has been studied. Unlike BCBs bearing electron‐withdrawing groups, which …

Catalytic asymmetric conjugate protosilylation and protoborylation of 2-trifluoromethyl enynes for synthesis of functionalized allenes

C Yang, ZL Liu, DT Dai, Q Li, WW Ma, M Zhao… - Organic …, 2020 - ACS Publications
The Cu-catalyzed 1, 4-protosilylation and protoborylation of trifluoromethyl-substituted
conjugated enynes were developed to access functionalized homoallenylsilanes and …

Borylated cyclopropanes as spring-loaded entities: Access to vicinal tertiary and quaternary carbon stereocenters in acyclic systems

AU Augustin, S Di Silvio, I Marek - Journal of the American …, 2022 - ACS Publications
Herein, we present the formation of acyclic frameworks bearing two consecutive
stereocenters of either tertiary or quaternary nature starting from easily accessible …

Lewis acid catalyzed ring-opening 1, 3-Aminothiolation of donor–acceptor cyclopropanes using sulfenamides

A Guin, T Rathod, RN Gaykar, T Roy, AT Biju - Organic letters, 2020 - ACS Publications
Yb (OTf) 3 catalyzed mild and regioselective ring-opening 1, 3-aminothiolation of donor–
acceptor (D–A) cyclopropanes using sulfenamides has been demonstrated. The insertion of …

Ring‐Opening 1, 3‐Aminochalcogenation of Donor–Acceptor Cyclopropanes: A Three‐Component Approach

AU Augustin, PG Jones, DB Werz - Chemistry–A European …, 2019 - Wiley Online Library
Abstract A 1, 3‐aminothiolation was realized by reacting 2‐substituted cyclopropane 1, 1‐
dicarboxylates with sulfonamides and N‐(arylthio) succinimides. Under Sn (OTf) 2 catalysis …

Transition metal-free synthesis of alkyl pinacol boronates

KK Das, S Paul, S Panda - Organic & Biomolecular Chemistry, 2020 - pubs.rsc.org
Alkyl pinacol boronic esters have been routinely used for the synthesis of complex target
molecules or high-value chemicals due to their non-toxicity, stability and commercial …

The resurrection of Murahashi coupling after four decades

S Hazra, CCC Johansson Seechurn, S Handa… - ACS …, 2021 - ACS Publications
Since the discovery of the pioneering cross-coupling name reactions in the 1970s, cross-
coupling involving organolithium reagents (Murahashi coupling) has been neglected for …

Palladium-catalyzed diastereo-and enantioselective desymmetric hydrophosphination of cyclopropenes

Y Zhang, Y Jiang, M Li, Z Huang, JJ Wang - Chem Catalysis, 2022 - cell.com
Cyclopropanes are unique three-member rings whose unusual bonding and inherent ring
strain make them valuable building blocks in modern organic synthesis. In this work, a Pd …