Catalytic enantioselective ring-opening reactions of cyclopropanes

V Pirenne, B Muriel, J Waser - Chemical Reviews, 2020 - ACS Publications
This review describes the development of enantioselective methods for the ring opening of
cyclopropanes. Both approaches based on the reaction of nonchiral cyclopropanes 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 …

Donor–Acceptor Cyclopropanes as an Expedient Building Block Towards the Construction of Nitrogen‐Containing Molecules: An Update

P Singh, RK Varshnaya, R Dey… - Advanced Synthesis & …, 2020 - Wiley Online Library
Nitrogen‐containing molecules are the key structural constituent of many pharmaceutical
compounds that play a pivotal role in drug development. Owing to their multifaceted …

Nucleophilic ring opening of Donor–Acceptor cyclopropanes catalyzed by a Brønsted Acid in hexafluoroisopropanol

E Richmond, VD Vuković, J Moran - Organic letters, 2018 - ACS Publications
A general, Brønsted acid catalyzed method for the room temperature, nucleophilic ring
opening of donor–acceptor cyclopropanes in fluorinated alcohol solvent, HFIP, is described …

Protic Ionic Liquid as Reagent, Catalyst, and Solvent: 1‐Methylimidazolium Thiocyanate

IA Andreev, NK Ratmanova… - Angewandte Chemie …, 2021 - Wiley Online Library
We propose a new concept of the triple role of protic ionic liquids with nucleophilic anions: a)
a regenerable solvent, b) a Brønsted acid inducing diverse transformations via general acid …

Donor‐Acceptor Cyclopropanes in the Synthesis of Carbocycles

OA Ivanova, IV Trushkov - The Chemical Record, 2019 - Wiley Online Library
Donor‐acceptor cyclopropanes not only participate in a broad range of ring openings with
nucleophiles, electrophiles, radical and red‐ox agents, but also are excellent substrates for …

Catalytic (3+ 2) annulation of donor–acceptor aminocyclopropane monoesters and indoles

V Pirenne, EGL Robert, J Waser - Chemical Science, 2021 - pubs.rsc.org
The efficient catalytic activation of donor–acceptor aminocyclopropanes lacking the
commonly used diester acceptor is reported here in a (3+ 2) dearomative annulation with …

Iron-Catalyzed Reductive Ring Opening/gem-Difluoroallylation of Cyclopropyl Ketones

B Yuan, C Zhang, H Dong, C Wang - Organic Letters, 2023 - ACS Publications
By merging C–C and C–F bond cleavage, we developed a regioselective ring opening/gem-
difluoroallylation of cyclopropyl ketones with α-trifluoromethylstyrenes, which proceeds …

Ring-Opening 1, 3-Carbothiolation of Donor–Acceptor Cyclopropanes Using Alkyl Halides and In Situ Generated Dithiocarbamates

A Guin, S Deswal, AT Biju - The Journal of Organic Chemistry, 2022 - ACS Publications
Two-step, ring-opening 1, 3-carbothiolation of donor–acceptor (D–A) cyclopropanes
employing alkyl halides and in situ generated dithiocarbamates (from amines and CS2) has …

MgI2-Catalyzed Nucleophilic Ring-Opening Reactions of Donor–Acceptor Cyclopropanes with Indoline-2-thiones

P Tang, YY Wei, L Wen, HJ Ma, Y Yang… - The Journal of Organic …, 2022 - ACS Publications
MgI2-catalyzed nucleophilic ring-opening reactions of donor–acceptor cyclopropanes with
indoline-2-thiones as easy-to-handle sulfur nucleophiles were investigated. A series of …