Controllable synthesis of 3-iodo-2 H-quinolizin-2-ones and 1, 3-diiodo-2 H-quinolizin-2-ones via electrophilic cyclization of azacyclic ynones

WW Yang, JW Zhang, LL Chen, JY Fu, JY Zhu… - Chemical …, 2019 - pubs.rsc.org
An effective electrophilic annulation reaction of azacyclic ynones was reported, divergently
affording various functionalized 3-iodo-2H-quinolizin-2-ones and 1, 3-diiodo-2H-quinolizin-2 …

Catalyst- and Additive-Free Annulation of Ynediones and (Iso)Quinoline N-Oxides: An Approach to Synthesis of Pyrrolo[2,1-a]Isoquinolines and Pyrrolo[1,2-a] …

WW Yang, YF Ye, LL Chen, JY Fu, JY Zhu… - The Journal of …, 2020 - ACS Publications
A simple and effective annulation of ynediones and (iso) quinoline N-oxides was developed
to afford various functionalized pyrrolo [2, 1-a] isoquinolines and pyrrolo [1, 2-a] quinolines …

Solvent-controlled divergent annulation of ynones and (iso) quinoline N-oxides: of 3-((iso) quinolin-1-yl)-4 H-chromen-4-ones and 13 H-isoquinolino [2, 1-a] quinolin …

WW Yang, LL Chen, P Chen, YF Ye… - Chemical …, 2020 - pubs.rsc.org
An effective annulation of ynones and (iso) quinoline N-oxides was developed to deliver
various functionalized 3-((iso) quinolin-1-yl)-4H-chromen-4-ones and 13H-isoquinolino [2, 1 …

Electrophile-driven regioselective synthesis of functionalized quinolines

S Ali, HT Zhu, XF Xia, KG Ji, YF Yang, XR Song… - Organic …, 2011 - ACS Publications
Highly substituted 3-iodoquinolines bearing different alkyl and aryl moieties can be
synthesized in moderate to excellent yields (up to 99%) by 6-endo-dig iodocyclization of 2 …

An Unprecedented Tandem Annulation of ω-Azido-1-alkynes with Diaryliodonium Salts: A Facile Synthesis of Polycyclic Quinolines

J Chen, C Chen, J Chen, H Gao, H Qu - Synlett, 2014 - thieme-connect.com
Polysubstituted quinolines are synthesized through an unprecedented cascade annulation
of ω-azido-1-alkynes with diaryliodonium salts, which serve as C2-building blocks. The …

Access to C4-functionalized quinolines via copper-catalyzed tandem annulation of alkynyl imines with diazo compounds

R Zhu, G Cheng, C Jia, L Xue, X Cui - The Journal of Organic …, 2016 - ACS Publications
An efficient synthesis of C4-functionalized quinolines through copper-catalyzed tandem
annulation of alkynyl imines with diazo compounds is described. This transformation …

Thermally Induced Denitrogenative Annulation for the Synthesis of Dihydroquinolinimines and Chroman‐4‐imines

CH Chou, YY Chen, B Rajagopal, HC Tu… - Chemistry–An Asian …, 2016 - Wiley Online Library
A rapid growth in synthetic methods for the preparation of diverse organic molecules using N‐
sulfonyl‐1, 2, 3‐triazoles is of great interest in organic synthesis. Transition metals are …

A facile synthesis of substituted 2-alkylquinolines through [3+ 3] annulation between 3-ethoxycyclobutanones and aromatic amines at room temperature

G Shan, X Sun, Q Xia, Y Rao - Organic Letters, 2011 - ACS Publications
An efficient single-step approach toward the synthesis of 2-alkylquinolines is described.
Through a Lewis acid mediated [3+ 3] annulation reaction between 3-ethoxycyclobutanones …

A highly diastereoselective [5+ 1] annulation to 2, 2, 3-trisubstituted tetrahydroquinoxalines via intramolecular Mannich-type trapping of ammonium ylides

XY Guan, M Tang, ZQ Liu, WH Hu - Chemical Communications, 2019 - pubs.rsc.org
A novel tandem intermolecular ammonium ylide formation/intramolecular Mannich-type [5+
1] cyclization reaction of aryl diazoacetates and ortho-aminophenyl imine derivatives was …

Site-Selective Electrophilic Cyclization and Subsequent Ring-Opening: A Synthetic Route to Pyrrolo[1,2-a]quinolines and Indolizines

T Aggarwal, S Kumar, DK Dhaked… - The Journal of …, 2012 - ACS Publications
An efficient strategy for the synthesis of pyrrolo [1, 2-a] quinolines and indolizines from
pyranoquinolines via site-selective electrophilic cyclization and subsequent opening of …