[HTML][HTML] Recent developments on ultrasound assisted catalyst-free organic synthesis

B Banerjee - Ultrasonics sonochemistry, 2017 - Elsevier
Mother Nature needs to be protected from ever increasing chemical pollutions associated
with synthetic organic processes. The fundamental challenge for today's methodologists is to …

Synthesis of α-aminophosphonates and related derivatives; The last decade of the Kabachnik–Fields reaction

PR Varga, G Keglevich - Molecules, 2021 - mdpi.com
The Kabachnik–Fields reaction, comprising the condensation of an amine, oxo compound
and a P-reagent (generally a> P (O) H species or trialkyl phosphite), still attracts interest due …

Synthesis of quaternary α-aminophosphonic acids

M Ordonez, FJ Sayago, C Cativiela - Tetrahedron, 2012 - Elsevier
1. Introduction a-Aminophosphonic acids and their derivatives exhibit diverse biological
activities that are the basis of their important pharmacological applications. 1 Their …

Sulfated polyborate catalyzed Kabachnik-Fields reaction: An efficient and eco-friendly protocol for synthesis of α-amino phosphonates

CK Khatri, VB Satalkar, GU Chaturbhuj - Tetrahedron letters, 2017 - Elsevier
An efficient, and environmentally benign protocol for a three-component Kabachnik-Fields
reaction of aldehydes, amines, and diethyl phosphite catalyzed by sulfated polyborate has …

Promiscuous lipase catalyzed a new P–C bond formation: Green and efficient protocol for one‐pot synthesis of α‐aminophosphonates

S Guezane‐Lakoud, M Toffano… - Heteroatom …, 2017 - Wiley Online Library
Abstract α‐Aminophosphonates are valuable substructures with important biological and
pharmacological properties. Lipase catalytic promiscuity is a new method in the organic …

An Efficient One-Pot Synthesis of 1-Aminophosphonates

B Kaboudin, S Faghih, S Alavi, MR Naimi-Jamal… - …, 2023 - thieme-connect.com
1-Aminophosphonates are valuable compounds with wide range of applications in
biological and industry. Various reaction conditions and catalysts have been reported for the …

Catalyst and solvent-free, ultrasound promoted rapid protocol for the one-pot synthesis of α-aminophosphonates at room temperature

B Dar, A Singh, A Sahu, P Patidar, A Chakraborty… - Tetrahedron …, 2012 - Elsevier
An ultrasound promoted easy, efficient, and environment friendly process has been devised
for the synthesis of α-aminophosphonates within seconds through a one-pot three …

CeCl3-promoted one-pot synthesis of multisubstituted bispyrano[2,3-c]pyrazole derivatives

K Ablajan, LJ Wang, Z Maimaiti, YT Lu - Monatshefte für Chemie …, 2014 - Springer
A simple and efficient method was developed for the synthesis of multisubstituted bispyrano
[2, 3-c] pyrazole derivatives via one-pot reaction of β-keto esters, hydrazine (or …

Design, synthesis, antibacterial evaluation, and molecular docking studies of diethyl ((substituted phenyl)((4-(N-(5-methyl-4, 5-dihydroisoxazol-3-yl) sulfamoyl) phenyl) …

M Gundluru, S Sarva, S Poreddy, A John… - Synthetic …, 2023 - Taylor & Francis
An efficient green synthesis of diethyl ((substituted phenyl)((4-(N-(5-methyl-4, 5-
dihydroisoxazol-3-yl) sulfamoyl) phenyl) amino) methyl) phosphonates was accomplished …

Magnetic BaFe12O19/Al2O3: An Efficient Heterogeneous Lewis Acid Catalyst for the Synthesis of α-Aminophosphonates (Kabachnik–Fields Reaction)

T Piri, R Peymanfar, S Javanshir, S Amirnejat - Catalysis Letters, 2019 - Springer
The design and application of environmentally friendly catalysts to reduce the quantity of
toxic wastes is critical for improving the chemical synthesis process. Therefore, BaFe 12 O …