Synthetic routes to 1, 4, 5, 6-tetrahydropyrimidines: An overview and recent advances

A Bhattacharyya - Current Organic Chemistry, 2019 - ingentaconnect.com
Partially reduced heterocyclic compounds such as 1, 4, 5, 6-tetrahydropyrimidines are often
found to possess interesting pharmacological properties. Yet, the synthetic routes towards …

Synthesis of dihydropyrimidinones and thiones by multicomponent reactions: strategies beyond the classical Biginelli reaction

JP Wan, Y Liu - Synthesis, 2010 - thieme-connect.com
The three-component Biginelli reaction for the synthesis of dihydropyrimidinone and
corresponding dihydropyrimidinethiones (DHPMs) has been known for more than a century …

Efficient synthesis of highly functionalized tetrahydropyridopyrimidines by a novel three-component coupling reaction

IT Raheem, JD Schreier, MJ Breslin - Tetrahedron letters, 2011 - Elsevier
We report the development of a novel three-component coupling reaction (3CC) for the
synthesis of alkoxy tetrahydropyridopyrimidines. Systematic optimization of reaction …

Biginelli Reaction: A Multi-Component Type of Reaction and Synthetic Advancement in the Synthesis of Bioactive Dihydropyrimidinone Derivatives

R Ambatwar, V Gupta, S Kumar… - Mini-Reviews in Organic …, 2024 - ingentaconnect.com
Background: In synthetic and medicinal chemistry, multi-component reactions (MCRs) are
considered an essential tool in synthesizing bioactive heterocyclic scaffolds. These …

Synthesis of polysubstituted 1, 4-dihydropyridines via three-component reaction

S Balalaie, L Baoosi, F Tahoori, F Rominger… - Tetrahedron, 2013 - Elsevier
An efficient one-pot synthesis of novel N-substituted 1, 4-dihydropyridine derivatives via a
three-component reaction of primary amines, dialkyl acetylenedicarboxylates, and methyl …

Synthesis of 2, 6-dialkyl-1, 2, 5, 6-tetrahydropyridines and their applications in total synthesis

FX Felpin, J Lebreton - Current Organic Synthesis, 2004 - ingentaconnect.com
Synthesis of 2,6-Dialkyl-1,2,5,6-Tetrahydropyridines and Their Applications in Total Synthesis
Page 1 Current Organic Synthesis, 2004, 1, 83-109 83 1570-1794/04 $45.00+.00 © 2004 …

Highly diastereoselective four-component synthesis of polysubstituted 1, 4, 5, 6-tetrahydropyridines

AN Vereshchagin, TM Iliyasov, KA Karpenko… - Chemistry of …, 2021 - Springer
A novel four-component diastereoselective synthesis of polysubstituted tetrahydropyridines
is reported. The Michael addition–Mannich reaction–cyclization–dehydration cascade of …

A regioselective synthesis of 2, 6-diarylpyridines

HK Maurya, PG Vasudev, A Gupta - RSC advances, 2013 - pubs.rsc.org
A regioselective synthesis of 2, 6-diarylpyridines through base (sodium hydroxide in DMSO)
catalyzed ring transformation of suitably functionalized 2H-pyran-2-ones with benzamide …

Synthesis of 3, 4-dihydropyridin-2-one derivatives in convergent mode applying bio catalyst vitamin B1 and polymer supported catalyst PEG–SO3H from two different …

K Pradhan, P Bhattacharyya, S Paul, AR Das - Tetrahedron Letters, 2012 - Elsevier
Two highly efficient, green protocols have been developed for the synthesis of 3, 4-
dihydropyridin-2-one derivatives from different starting materials exploring two reaction …

Green multicomponent approach to novel 5‐[(2H‐Pyran‐3‐yl)(aryl)methyl]‐1,3‐dimethylpyrimidines

YE Ryzhkova, VM Kalashnikova… - Journal of …, 2023 - Wiley Online Library
The multicomponent green methodologies are an ideal instrument in organic synthesis.
Environmentally benign, facile, and efficient multicomponent synthesis of [(2 H‐pyran‐3 …