Rh (iii)-Catalyzed [5+ 1] annulation of 2-alkenylanilides and 2-alkenylphenols with allenyl acetates

A Singh, RK Shukla, CMR Volla - Chemical Science, 2022 - pubs.rsc.org
Herein, we report a mild and highly regioselective Rh (III)-catalyzed non-oxidative [5+ 1]
vinylic C–H annulation of 2-alkenylanilides with allenyl acetates, which has been elusive so …

Rh-Catalyzed [3+ 2] Annulation of Cyclic Ketimines and Alkynyl Chloride: A Strategy for Accessing Unsymmetrically Substituted and Highly Functionalizable Indenes

X Zhao, C Fan, J He, Y Luo - Organic Letters, 2022 - ACS Publications
Alkynyl chlorides were found to be extraordinarily novel electrophiles, which could afford a
single regioisomer of the [3+ 2] annulation adducts with cyclic ketimines by rhodium …

Cobalt-catalyzed three-component assembly of aromatic oximes with substituted dienes and formaldehyde

P Prusty, M Jeganmohan - Chemical Communications, 2024 - pubs.rsc.org
A cobalt-catalyzed three-component assembly of substituted aryl oximes with dienes and
formaldehyde via C–H bond activation is described. This protocol affords highly regio-and …

Cp*Co(III)-Catalyzed Regioselective [4 + 2]-Annulation of N-Chlorobenzamides with Vinyl Acetate/Vinyl Ketones

S Jothi Murugan, M Jeganmohan - The Journal of Organic …, 2023 - ACS Publications
An efficient and straightforward strategy for the synthesis of isoquinolones through [4+ 2]-
annulation of N-chlorobenzamides with vinyl acetate in the presence of CoCp*(III) catalyst in …

Pd(II)-Catalyzed [5 + 2] Cyclization of N-Triflyl Aryl Indoles and α,γ-Substituted Allenoates: A Route to Indole-Fused Benzodiazepines

WJ Chiu, TY Chu, IJ Barve, CM Sun - Organic Letters, 2023 - ACS Publications
A Pd (II)-catalyzed [5+ 2] annulation between N-triflyl aryl indoles and α, γ-substituted
allenoates for the synthesis of indole-fused benzodiazepines is reported. This protocol is …

Ru(II)-Catalyzed Regioselective Annulation of 2-Hydroxystyrenes with Allenyl Acetates via Vinylic C–H Activation

A Singh, RK Shukla, CMR Volla - Organic Letters, 2022 - ACS Publications
Herein, we disclose an unprecedented and robust Ru (II)-catalyzed non-oxidative [5+ 1]
annulation of 2-hydroxystyrenes with allenyl acetates to access biologically relevant …

Cobalt-Catalyzed Domino Transformations via Enantioselective C–H Activation/Nucleophilic [3+ 2] Annulation toward Chiral Bridged Bicycles

FR Huang, QJ Yao, P Zhang, MY Teng… - Journal of the …, 2024 - ACS Publications
Selective synthesis of chiral bridged (hetero) bicyclic scaffolds via asymmetric C–H
activation constitutes substantial challenges due to the multiple reactivities of strained …

Cp* Rh (iii)-catalyzed regioselective cyclization of aromatic amides with allenes

J Liu, DY Liu, Q Yang, YF Zeng, XL Wang… - Chemical …, 2024 - pubs.rsc.org
A new Cp* Rh (III)-catalyzed regioselective cyclization reaction of aromatic amides with
allenes is reported. The use of allenyl derivatives bearing a directing-group assistant as a …

Co (iii)-Catalyzed three-component assembling of N-(2-pyrimidyl) indoles with dienes and formaldehyde

P Prusty, M Jeganmohan - Chemical Communications, 2023 - pubs.rsc.org
A highly regio-and chemoselective three-component assembling of N-pyrimidyl indoles with
dienes and formaldehyde in the presence of a Co (III) catalyst was demonstrated. The scope …

Co(III) ‐Catalyzed Regioselective [4+2]‐Annulation of N‐Chlorobenzamide with Allenes and Vinyl Acetate

D Chandra, Sachin, U Sharma - Asian Journal of Organic …, 2024 - Wiley Online Library
A regioselective annulation protocol of N‐chlorobenzamide with allenes and vinyl acetate is
reported using a less expensive catalytic system, ie Co (III) catalysis and Na2CO3 as …