Recent advances in stereoselective ring expansion of spirocyclopropanes: Access to the spirocyclic compounds

T Sarkar, BK Das, K Talukdar, TA Shah… - ACS …, 2020 - ACS Publications
Spirocyclopropane represents a privileged structural scaffold for accessing synthetic
libraries of densely functionalized spirocarbo-and heterocyclic compounds. Due to the …

Recent synthetic strategies toward the synthesis of spirocyclic compounds comprising six-membered carbocyclic/heterocyclic ring systems

K Babar, AF Zahoor, S Ahmad, R Akhtar - Molecular Diversity, 2021 - Springer
Spirocyclic compounds fascinate the synthetic chemists due to their privileged ring system
and efficacy in drug discovery. Many natural compounds comprise spirocyclic moiety in their …

Heterocycles from cyclopropanes: applications in natural product synthesis

CA Carson, MA Kerr - Chemical Society Reviews, 2009 - pubs.rsc.org
The construction of heterocyclic compounds from activated cyclopropane derivatives offers
an alternative strategy for the preparation of molecules that may be of interest from a …

Charting biologically relevant spirocyclic compound space

G Müller, T Berkenbosch… - … A European Journal, 2017 - Wiley Online Library
Spirocycles frequently occur in natural products and experience increasing interest in drug
discovery, given their richness in sp3 centers and distinct three‐dimensionality. We have …

Recent developments in the stereocontrolled synthesis of highly substituted cyclopentane core structures: from drug discovery research to natural product synthesis

B Heasley - Current Organic Chemistry, 2014 - ingentaconnect.com
The cyclopentane carbocyclic ring system, while ubiquitous in nature, is not usually
considered a privileged core structure for the development of a drug candidate due, in part …

Diastereoselective Reductive Ring Expansion of Spiroketal Dihydropyranones to cis-Fused Bicyclic Ethers

L Zhu, L Song, R Tong - Organic letters, 2012 - ACS Publications
A novel double cascade synthetic strategy was developed for the diastereoselective
syntheses of cis-fused bicyclic ethers, featuring cascade Achmatowicz rearrangement …

Stereoselective synthesis of benzannulated spiroketals: influence of the aromatic ring on reactivity and conformation

G Liu, JM Wurst, DS Tan - Organic letters, 2009 - ACS Publications
A systematic stereocontrolled synthesis of benzannulated spiroketals has been developed,
using kinetic spirocyclization reactions of glycal epoxides, leading to a new AcOH-induced …

Cycloaddition Strategies for the Synthesis of Diverse Heterocyclic Spirocycles for Fragment‐Based Drug Discovery

TA King, HL Stewart, KT Mortensen… - European journal of …, 2019 - Wiley Online Library
In recent years the pharmaceutical industry has benefited from the advances made in
fragment‐based drug discovery (FBDD) with more than 30 fragment‐derived drugs currently …

Construction of spirolactones with concomitant formation of the fused quaternary centre–application to the synthesis of natural products

A Bartoli, F Rodier, L Commeiras, JL Parrain… - Natural product …, 2011 - pubs.rsc.org
Covering: up to the end of 2010 Polycyclic structures fused at a central carbon are of great
interest due to their appealing conformational features and their structural implications in …

Stereocontrolled transformations of cyclohexadienone derivatives to access stereochemically rich and natural product-inspired architectures

TH Al-Tel, V Srinivasulu, M Ramanathan… - Organic & …, 2020 - pubs.rsc.org
The last two decades or so have witnessed an upsurge in defining the art of designing
complex natural products and nature-inspired molecules. Throughout these decades …