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 …

Methods for the synthesis of donor-acceptor cyclopropanes

YV Tomilov, LG Menchikov, RA Novikov… - Russian Chemical …, 2018 - iopscience.iop.org
The interest in cyclopropane derivatives is caused by the facts that, first, the three-carbon
ring is present in quite a few natural and biologically active compounds and, second …

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 …

Photoinduced 1, 2-dicarbofunctionalization of alkenes with organotrifluoroborate nucleophiles via radical/polar crossover

MJ Cabrera-Afonso, A Sookezian, SO Badir… - Chemical …, 2021 - pubs.rsc.org
Alkene 1, 2-dicarbofunctionalizations are highly sought-after transformations as they enable
a rapid increase of molecular complexity in one synthetic step. Traditionally, these …

Photoinduced Vicinal 1, 2-Difunctionalization of Olefins for the Synthesis of Alkyl Sulfonamides

A Sookezian, GA Molander - Organic Letters, 2023 - ACS Publications
Alkyl sulfonamides are an important class of bioactive molecules. Historical syntheses have
relied on multistep sequences incorporating harsh reaction conditions. Photochemical …

Stereospecific 1, 3‐Aminobromination of Donor–Acceptor Cyclopropanes

S Das, CG Daniliuc, A Studer - … Chemie International Edition, 2017 - Wiley Online Library
Abstract Sn (OTf) 2‐catalyzed 1, 3‐aminobromination of donor–acceptor cyclopropanes with
various sulfonyl amides or electron‐poor anilines and N‐bromosuccinimide is reported …

Synthesis of 2-unsubstituted pyrrolidines and piperidines from donor–acceptor cyclopropanes and cyclobutanes: 1, 3, 5-triazinanes as surrogates for formylimines

LKB Garve, A Kreft, PG Jones… - The Journal of Organic …, 2017 - ACS Publications
A synthetic procedure to access 2-unsubstituted pyrrolidines and piperidines is presented. In
the presence of MgI2 as Lewis acid, donor–acceptor cyclopropanes or corresponding …

Ring-opening hydroarylation of monosubstituted cyclopropanes enabled by hexafluoroisopropanol

E Richmond, J Yi, VD Vuković, F Sajadi, CN Rowley… - Chemical …, 2018 - pubs.rsc.org
Ring-opening hydroarylation of cyclopropanes is typically limited to substrates bearing a
donor–acceptor motif. Here, the transformation is achieved for monosubstituted …

Multicomponent 1, 3-Bifunctionalization of Donor–Acceptor Cyclopropanes with Arenes and Nitrosoarenes

S Das, CG Daniliuc, A Studer - Organic letters, 2016 - ACS Publications
AlBr3-mediated multicomponent 1, 3-bifunctionalization of donor–acceptor cyclopropanes
using arenes and nitrosoarenes as coupling partners is presented. In the cascade, a C–C, a …

Iron catalyzed tandem ring opening/1, 6-conjugate addition of cyclopropanols with p-quinone methides: new access to γ, γ-diaryl ketones

SR Shirsath, SM Chandgude… - Chemical …, 2021 - pubs.rsc.org
An iron (III) catalyzed tandem ring opening/1, 6-conjugate addition of cyclopropanols to p-
quinone methides leading to γ, γ-diaryl ketones has been described. This catalytic protocol …