Palladium‐catalyzed synthesis of fused carbo‐and heterocycles

T Ghosh, D Biswas, S Bhakta - Chemistry–An Asian Journal, 2022 - Wiley Online Library
The use of palladium catalysts in fused ring synthesis has been increasingly noteworthy in
recent years in organic synthesis. It has a lot of potential compared to other transition metal …

CuI-catalyzed synthesis of multisubstituted pyrido [1, 2-a] pyrimidin-4-ones through tandem Ullmann-type C–N cross-coupling and intramolecular amidation reaction

B Mo, C Chen, J Peng - RSC advances, 2023 - pubs.rsc.org
Various multi-substituted pyrido [1, 2-a] pyrimidin-4-ones were synthesized via a one-pot
tandem CuI-catalyzed C–N bond formation/intramolecular amidation reaction at 130° C in …

Microwave-accelerated and benzoyl peroxide (BPO)-initiated cyclization of 1, 5-enynes having cyano groups with cyclic alkanes under metal-free conditions

S Ruan, C Zhou, L Li, L Wang, J Liu, P Li - Organic & Biomolecular …, 2022 - pubs.rsc.org
A novel and efficient method for preparing exocyclic indan derivatives, with this method
involving benzoyl peroxide (BPO)-initiated cyclization of 1, 5-enynes having cyano groups …

Synthesis of Ring-Fused, N-Substituted 4-Quinolinones Using pKa-Guided, Base-Promoted Annulations with Isatoic Anhydrides: Total Synthesis of Penicinotam

MM Khalifa, SC Philkhana… - The Journal of Organic …, 2019 - ACS Publications
An anionic annulation strategy employing isatoic anhydrides and a wide assortment of
enolizable partners was developed to afford over 80 novel ring-fused, N-substituted 4 …

Palladium catalyzed carbonylative annulation of the C (sp 2)–H bond of N, 1-diaryl-1 H-tetrazol-5-amines and N, 4-diaryl-4 H-triazol-3-amines to quinazolinones

A Chandrasekhar, V Ramkumar… - Organic & Biomolecular …, 2018 - pubs.rsc.org
Pd (II) catalyzed direct C–H carbonylative annulation of N, 1-diaryl-1H-tetrazol-5-amines and
N, 4-diaryl-4H-1, 2, 4-triazol-3-amines gave the corresponding triazole and tetrazole fused …

Autocatalyzed three-component cyclization of polyfluoroalkyl-3-oxo esters, methyl ketones and alkyl amines: a novel approach to 3-alkylamino-5-hydroxy-5 …

MV Goryaeva, SO Kushch, OG Khudina… - Organic & …, 2019 - pubs.rsc.org
A new one-pot reaction between polyfluoroalkylated 3-oxo esters, methyl ketones and
primary or secondary alkyl amines is reported as an efficient approach to 3-alkylamino-5 …