Conjugated ynones in organic synthesis

C Nájera, LK Sydnes, M Yus - Chemical Reviews, 2019 - ACS Publications
This review article will consider the preparation and application of ynones in synthetic
organic chemistry. Concerning the preparation of these bifunctional compounds, several …

Tandem Reactions of Ynones: via Conjugate Addition of Nitrogen‐, Carbon‐, Oxygen‐, Boron‐, Silicon‐, Phosphorus‐, and Sulfur‐Containing Nucleophiles

Y Li, J Yu, Y Bi, G Yan, D Huang - Advanced Synthesis & …, 2019 - Wiley Online Library
Ynones are widely used in organic synthesis. Their great success is rooted in their multiple
functional groups. This review focus on advance of ynones in published in the decade 2009 …

Indole-ynones as privileged substrates for radical dearomatizing spirocyclization cascades

N Inprung, HE Ho, JA Rossi-Ashton, RG Epton… - Organic …, 2022 - ACS Publications
Indole-ynones have been established as general substrates for radical dearomatizing
spirocyclization cascade reactions. Five distinct and varied synthetic protocols have been …

Indole synthesis using silver catalysis

AK Clarke, HE Ho, JA Rossi‐Ashton… - Chemistry–An Asian …, 2019 - Wiley Online Library
Indoles are amongst the most important classes of heteroaromatics in organic chemistry,
commonly found in biologically active natural products and therapeutically useful …

A thiol-mediated three-step ring expansion cascade for the conversion of indoles into functionalized quinolines

N Inprung, MJ James, RJK Taylor, WP Unsworth - Organic letters, 2021 - ACS Publications
An operationally simple, high yielding three-step cascade process is described for the direct
conversion of indole-tethered ynones into functionalized quinolines. A single “multitasking” …

“Back-to-Front” indole synthesis using silver (i) catalysis: unexpected c-3 pyrrole activation mode supported by DFT

AK Clarke, JM Lynam, RJK Taylor, WP Unsworth - ACS Catalysis, 2018 - ACS Publications
An efficient silver (I)-catalyzed method is reported for the synthesis of substituted indoles,
most notably 5-hydroxy-derivatives, via π-acidic alkyne activation. Most methods for the …

Visible-light induced metal-free cascade Wittig/hydroalkylation reactions

P Miao, R Li, X Lin, L Rao, Z Sun - Green Chemistry, 2021 - pubs.rsc.org
Cascade reactions are green and powerful transformations for building multiple carbon–
carbon bonds in one step. Through a relay olefination and radical addition process, we were …

[HTML][HTML] Ynones in dearomative spirocyclisation processes; a review

RJK Taylor, WP Unsworth - Tetrahedron Chem, 2024 - Elsevier
This review concentrates on our research into the discovery of novel ynone-based
dearomative spirocyclisation processes, whilst placing the new chemistry into the context of …

Pyridoxal-5′-phosphate–dependent bifunctional enzyme catalyzed biosynthesis of indolizidine alkaloids in fungi

GZ Dai, WB Han, YN Mei, K Xu… - Proceedings of the …, 2020 - National Acad Sciences
Indolizidine alkaloids such as anticancer drugs vinblastine and vincristine are exceptionally
attractive due to their widespread occurrence, prominent bioactivity, complex structure, and …

Ynones in Reflex‐Michael Addition, CuAAC, and Cycloaddition, as Well as their Use as Nucleophilic Enols, Electrophilic Ketones, and Allenic Precursors

ZY Wang, KK Wang, R Chen, H Liu… - European Journal of …, 2020 - Wiley Online Library
The great success of ynones in synthesis is rooted in their multiple functional groups.
Herein, reactions triggered by the reflex‐Michael addition, ynones in copper (I)‐catalyzed …