Hydroxyalkylation-Initiated Radical Cyclization of N-Allylbenzamide for Direct Construction of Isoquinolinone

W Zhou, S Ni, H Mei, J Han, Y Pan - Organic letters, 2015 - ACS Publications
A metal-free hydroxyalkylation-initiated radical six-membered heterocycle formation reaction
of N-allylbenzamide is developed. This reaction proceeds through C (sp3)–H bond …

[HTML][HTML] Cascade alkylarylation of substituted N-allylbenzamides for the construction of dihydroisoquinolin-1 (2H)-ones and isoquinoline-1, 3 (2H, 4H)-diones

P Qian, B Du, W Jiao, H Mei, J Han… - Beilstein Journal of …, 2016 - beilstein-journals.org
An oxidative reaction for the synthesis of 4-alkyl-substituted dihydroisoquinolin-1 (2H)-ones
with N-allylbenzamide derivatives as starting materials has been developed. The radical …

A novel direct synthesis of 3-acyl-4-aryldihydroquinolin-2 (1H)-ones via metal-free radical tandem cyclization between N-arylcinnamamides and aldehydes

WP Mai, JT Wang, YM Xiao, P Mao, K Lu - Tetrahedron, 2015 - Elsevier
An efficient metal-free and practical method for the synthesis of disubstituted dihydroquinolin-
2 (1H)-ones via intermolecular radical tandem addition/cyclization was developed. This …

Tunable Synthesis of 3-Hydroxylisoquinolin-1,4-dione and Isoquinolin-1-one Enabled by Copper-Catalyzed Radical 6-endo Aza-cyclization of 2-Alkynylbenzamide

R Liu, M Li, W Xie, H Zhou, Y Zhang… - The Journal of Organic …, 2019 - ACS Publications
In this work, switchable synthesis of isoquinolin-1-one and 3-hydroxylisoquinolin-1, 4-dione
from 2-alkynylbenzamide is reported. The transformation works well with good yields and a …

DBU-Promoted Cyclization of ortho-(3-Hydroxy-1-alkynyl)benzamide: Synthesis of trans-3,4-Dihydroisoquinolin-1(2H)-ones and (E)-4-(1-Alkenyl)isoquinolin-1(2H) …

W Chen, J Cui, Y Zhu, X Hu, W Mo - The Journal of Organic …, 2012 - ACS Publications
DBU-Promoted Cyclization of ortho-(3-Hydroxy-1-alkynyl)benzamide: Synthesis of trans-3,4-Dihydroisoquinolin-1(2H)-ones
and (E)-4-(1-Alkenyl)isoquinolin-1(2H)-ones | The Journal of Organic Chemistry ACS ACS …

The tandem reaction combining radical and ionic processes: an efficient approach to substituted 3, 4-dihydroquinolin-2-ones

W Zhou, L Zhang, N Jiao - Tetrahedron, 2009 - Elsevier
3, 4-Dihydroquinolin-2-ones are of great importance in the areas of pharmaceuticals.
However, the direct intramolecular radical cyclizations of the corresponding amide …

Metal-free oxidative functionalization of C (sp 3)–H of ketones and alcohols for the synthesis of isoquinolinonediones

SL Zhu, PX Zhou, XF Xia - RSC advances, 2016 - pubs.rsc.org
A metal-free alkyl radical induced addition/cyclization reaction of acrylamide has been
developed. The process involved C (sp3)–H bond cleavage, alkylation of the double bond …

Direct synthesis of sulfonated dihydroisoquinolinones from N-allylbenzamide and arylsulfinic acids via TBHP-promoted cascade radical addition and cyclization

D Xia, Y Li, T Miao, P Li, L Wang - Chemical Communications, 2016 - pubs.rsc.org
A novel synthesis of sulfonated dihydroisoquinolinones via cascade radical addition and
cyclization was developed in the presence of tert-butyl hydroperoxide (TBHP). The reactions …

Copper-catalyzed amino radical tandem cyclization toward the synthesis of indolo-[2, 1-a] isoquinolines

ML Liu, JL Wang, XS Li, WH Sun, XY Liu - Organic Chemistry Frontiers, 2022 - pubs.rsc.org
We report a convenient process for synthesizing indolo-[2, 1-a] isoquinoline tetracyclic
skeletons in one pot via a low-cost copper-catalyzed tandem amino radical cyclization, in …

Transition-metal-free oxidative intermolecular cyclization reaction: synthesis of 2-aryl-4-quinolones

H Ma, C Guo, Z Zhan, G Lu, YX Zhang, X Luo… - New Journal of …, 2017 - pubs.rsc.org
Herein, a novel and efficient intermolecular cyclization of 2-aminoacetophenones with
aldehydes was developed for the synthesis of 2-aryl-4-quinolones through C–C and C–N …