[HTML][HTML] Recent Advances in Transition Metal-Catalyzed Ring-Opening Reaction of Aziridine

PS Bera, YK Mirza, T Sachdeva, M Bera - Compounds, 2024 - mdpi.com
The smallest strained, saturated N-heterocycles, such as aziridine, can be a valuable
building block in synthetic organic chemistry. Ring-opening reactions with various …

Recent Advances in Synthetic Routes for Biologically Active Tetrahydroquinoxalines and Derivatives: A Comprehensive Review

AK Sahoo, A Bhattacharyya - Current Organic Chemistry, 2024 - ingentaconnect.com
Tetrahydroquinoxalines are found in many biologically and pharmacologically active small
molecules. In the past two decades, significant progress has been made in the development …

A study on the role of Ti/Si atomic ratios in the hydrodenitrogenation activity of NiMo/TiO2-SiO2 catalyst

C Liu, Q Wei, Y Zhou, X Liu, K Deng, W Huang, H Liu… - Fuel, 2023 - Elsevier
TiO 2-SiO 2 composites with different Ti/Si atomic ratios were synthesized by an optimized
pre-hydrolysis-co-precipitation method while the corresponding NiMo supported …

A Synthetic Route to Tetrahydro-1H-azepino[4,3,2-cd]indoles via Ring-Opening Cyclization of Activated Azetidines with 4-Bromoindole: Toward a Vasopressin V2 …

G Goswami, B Singh, IA Wani, A Mal… - The Journal of Organic …, 2024 - ACS Publications
A simple one-pot, two-step strategy for the synthesis of tetrahydro-1 H-azepino [4, 3, 2-cd]
indoles via Lewis acid-catalyzed SN2-type ring opening of activated azetidines with 4 …

A metal-free route to substituted imidazolidines via ring-opening cyclization (ROC) of activated aziridines with N-benzylanilines: DA-COP catalyzed photo-oxidative C …

M Kumar, B Singh, S Singh, I Verma, KK Kar… - Catalysis Science & …, 2024 - pubs.rsc.org
A metal-free, conjugated organic polymer (TPA-PQ)-catalyzed intramolecular C–H
functionalization strategy for the synthesis of imidazolidines in the presence of light and O2 …

Ring-Opening Cyclization (ROC) of Aziridines with Propargyl Alcohols: Synthesis of 3,4-Dihydro-2H-1,4-oxazines

B Singh, M Kumar, G Goswami, I Verma… - The Journal of Organic …, 2023 - ACS Publications
Activated aziridines react with propargyl alcohols in the presence of Zn (OTf) 2 as the Lewis
acid catalyst following an SN2-type ring-opening mechanism to furnish the corresponding …

An Access to Benzo[a]fluorenes, Benzo[b]fluorenes, and Indenes Triggered by Simple Lewis Acid

DR Kishore, K Goel, C Shekhar… - The Journal of Organic …, 2022 - ACS Publications
This report illustrates BF3· OEt2 promoted intramolecular cascade cycloaromatization of 1, 7-
ynones toward synthesizing structurally diverse benzofluorene scaffolds. Remarkably, the …

Ag2O/squaramide cocatalyzed asymmetric interrupted Barton-Zard reaction of 8-nitroimidazo [1, 2-a] pyridines

Q Wan, C Zheng, YF Yuan, SL You - Science Bulletin, 2022 - Elsevier
Abstract Imidazo [1, 2-a] pyridines are present in numerous biologically active compounds
as the core structural motif. Herein, we report an asymmetric interrupted Barton-Zard …

[PDF][PDF] Anticancer activity of new 3-secondary amine derivatives containing fused rings of the imidazopyridine

AZ Hattab, N Al-Lami, JS Wadi - Eurasian Chemical Communications, 2022 - sid.ir
Heterocyclic compounds are of main interest in medicinal chemistry. The most complex
branches of chemistry are normally heterocyclic chemistry. Most synthetic heterocyclic …

Photoinduced triiodide-mediated [3+ 2] cycloaddition of N-tosyl aziridines and alkenes

Y Li, F Chen, S Zhu, L Chu - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
A metal-free photoinduced triiodide-mediated [3+ 2] cycloaddition of N-Ts aziridines with
alkenes is described herein. This operationally simple protocol utilized bench-stable and …