Alternative energy input: mechanochemical, microwave and ultrasound-assisted organic synthesis

RBN Baig, RS Varma - Chemical Society Reviews, 2012 - pubs.rsc.org
Microwave, ultrasound, sunlight and mechanochemical mixing can be used to augment
conventional laboratory techniques. By applying these alternative means of activation, a …

[LIVRE][B] Handbook on applications of ultrasound: sonochemistry for sustainability

D Chen, SK Sharma, A Mudhoo - 2011 - books.google.com
Providing up-to-date information on ultrasound technology and sonochemistry, this volume
focuses on green chemistry principles and methodologies that are being devised with a view …

Novel electron-rich bulky phosphine ligands facilitate the palladium-catalyzed preparation of diaryl ethers

A Aranyos, DW Old, A Kiyomori, JP Wolfe… - Journal of the …, 1999 - ACS Publications
A general method for the palladium-catalyzed formation of diaryl ethers is described.
Electron-rich, bulky aryldialkylphosphine ligands, in which the two alkyl groups are either tert …

Sonochemistry: theory and applications

JM Pestman, JBFN Engberts… - Recueil des Travaux …, 1994 - Wiley Online Library
Ultrasound can be used in chemistry to increase both reaction rates and yields of products.
Most effects of ultrasound on chemical reactions are due to cavitation: the formation and …

Ullmann diaryl ether synthesis: Rate acceleration by 2, 2, 6, 6-tetramethylheptane-3, 5-dione

E Buck, ZJ Song, D Tschaen, PG Dormer… - Organic …, 2002 - ACS Publications
In the copper salt catalyzed ether formation from aryl bromides or iodides and phenols, 2, 2,
6, 6-tetramethylheptane-3, 5-dione (TMHD) was found to greatly accelerate the ordinarily …

Applications of ultrasound in organic synthesis-a green approach

S Puri, B Kaur, A Parmar, H Kumar - Current Organic Chemistry, 2013 - ingentaconnect.com
Ultrasound irradiation differs from conventional energy sources (such as heat, light, or
ionizing radiation) in time, pressure, and energy per molecule. The use of ultrasound waves …

Using intelligent/random library screening to design focused libraries for the optimization of homogeneous catalysts: Ullmann ether formation

PJ Fagan, E Hauptman, R Shapiro… - Journal of the …, 2000 - ACS Publications
A 96-member “pyridine” library consisting of both rationally chosen and “random” members
was used to screen Ullmann ether forming reactions. The reaction of 2-bromo-4, 6 …

Discovery of 1-(3'-Aminobenzisoxazol-5'-yl)-3-trifluoromethyl-N-[2-fluoro-4- [(2'-dimethylaminomethyl)imidazol-1-yl]phenyl]-1H-pyrazole-5-carboxyamide …

ML Quan, PYS Lam, Q Han, DJP Pinto… - Journal of medicinal …, 2005 - ACS Publications
Modification of a series of pyrazole factor Xa inhibitors to incorporate an
aminobenzisoxazole as the P1 ligand resulted in compounds with improved selectivity for …

Fe 3 O 4 supported [Cu (ii)(met)(pro-H) 2] complex as a novel nanomagnetic catalytic system for room temperature C–O coupling reactions

AT Ali, MA Guda, AI Oraibi, IK Salih, AH Shather… - RSC …, 2023 - pubs.rsc.org
In this study, a newly-designed copper (II) complex of metformin and L-proline which was
immobilized on Fe3O4 MNPs was developed. The structure of the catalyst platform was fully …

Mild Conditions for Copper‐Catalyzed Coupling Reaction of Phenols and Aryl Iodides and Bromides

A Ouali, JF Spindler, HJ Cristau… - Advanced Synthesis & …, 2006 - Wiley Online Library
Coupling of phenols and aryl bromides can be efficiently performed by means of catalytic
amounts of copper iodide and the inexpensive ligand 1 (structure given in Table 1). The …