Asymmetric ylide reactions: epoxidation, cyclopropanation, aziridination, olefination, and rearrangement

AH Li, LX Dai, VK Aggarwal - Chemical reviews, 1997 - ACS Publications
Although the first ylide appeared as early as the 1900s, the recognition of these structurally
interesting compounds as synthetically useful reagents was only realized after the birth of …

Catalytic, asymmetric sulfur ylide-mediated epoxidation of carbonyl compounds: scope, selectivity, and applications in synthesis

VK Aggarwal, CL Winn - Accounts of chemical research, 2004 - ACS Publications
The reaction of sulfur ylides with carbonyl compounds to give epoxides is an important
synthetic method. This Account charts the recent advances in rendering this process both …

Nucleophilic Dearomatizing (DNAr) Reactions of Aromatic C,H-Systems. A Mature Paradigm in Organic Synthesis

F Lopez Ortiz, MJ Iglesias, I Fernández… - Chemical …, 2007 - ACS Publications
Nucleophilic Dearomatizing (DNAr) Reactions of Aromatic C,H-Systems. A Mature Paradigm in
Organic Synthesis | Chemical Reviews ACS ACS Publications C&EN CAS Find my institution Log …

Sigmatropic rearrangements of 'onium'ylids

JB Sweeney - Chemical Society Reviews, 2009 - pubs.rsc.org
Rearrangement reactions occupy a special place within the canon of organic synthesis, by
virtue of the inherently high efficiency of chemical processes which form and break bonds by …

A new protocol for the in situ generation of aromatic, heteroaromatic, and unsaturated diazo compounds and its application in catalytic and asymmetric epoxidation of …

VK Aggarwal, E Alonso, I Bae, G Hynd… - Journal of the …, 2003 - ACS Publications
A variety of metalated tosylhydrazone salts derived from benzaldehyde have been prepared
and were reacted with benzaldehyde in the presence of tetrahydrothiophene (THT)(20 …

An isothiourea-catalyzed asymmetric [2, 3]-rearrangement of allylic ammonium ylides

TH West, DSB Daniels, AMZ Slawin… - Journal of the American …, 2014 - ACS Publications
Benzotetramisole promotes the catalytic asymmetric [2, 3]-rearrangement of allylic
quaternary ammonium salts (either isolated or prepared in situ from p-nitrophenyl …

Recent advances in the Stevens rearrangement of ammonium ylides. Application to the synthesis of alkaloid natural products

JA Vanecko, H Wan, FG West - Tetrahedron, 2006 - Elsevier
Conclusions The past decade has seen an increased appreciation for the synthetic utility of
the Stevens rearrangement. An important component of this growth has been the …

Enantioselective synthesis of vinylcyclopropanes and vinylepoxides mediated by camphor-derived sulfur ylides: rationale of enantioselectivity, scope, and limitation

XM Deng, P Cai, S Ye, XL Sun, WW Liao… - Journal of the …, 2006 - ACS Publications
By a sidearm approach, camphor-derived sulfur ylides 1 were designed and synthesized for
the cyclopropanation of electron-deficient alkenes and epoxidation of aldehydes. Under the …

A water-soluble ruthenium glycosylated porphyrin catalyst for carbenoid transfer reactions in aqueous media with applications in bioconjugation reactions

CM Ho, JL Zhang, CY Zhou, OY Chan… - Journal of the …, 2010 - ACS Publications
Water-soluble [RuII (4-Glc-TPP)(CO)](1, 4-Glc-TPP= meso-tetrakis (4-(β-d-glucosyl) phenyl)
porphyrinato dianion) is an active catalyst for the following carbenoid transfer reactions in …

Recent advances in asymmetric [1, 2]-stevens-type rearrangement via metal carbenes

CY Shi, B Zhou, MY Teng, LW Ye - Synthesis, 2023 - thieme-connect.com
The [1, 2]-Stevens rearrangement is a widely used transformation in synthetic organic
chemistry. However, enantioselective versions are relatively limited and most of them rely on …