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Ethyl Triphenyl Phosphonium BromideEthyltriphenylphosphonium bromide (CAS 1530-32-1), with a purity of 99.5% min, it is white crystalline powder. It is a precursor of phosphine Ylide for Wittig reactions in fine chemicals,read more
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(Methoxymethyl)triphenylphosphonium Chloride(Methoxymethyl)triphenylphosphonium chloride(CAS 4009-98-7) is an important reagent in organic synthesis. After being treated with strong alkali, it undergoes Wittig reaction with various aldehydesread more
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Tetramethylammonium ChlorideTetramethylammonium chloride 99.0% (CAS Number 75-57-0) ,It is primarily used as a fluorination catalyst, a phase transfer catalyst, and a curing accelerator for powder coatings and epoxy polymerread more
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Tetrapropylammonium BromideTetrapropylammonium Bromide 99.0% (CAS 1941-30-6) is mainly used as a phase transfer catalyst for organic synthesis and a molecular sieve template agent.read more
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Tetrabutylammonium BromideTetrabutylammonium Bromide 99.0% (CAS 1643-19-2) is a widely used phase transfer catalyst, commonly used in organic synthesis, esterification reactions, alkylation reactions, and other fields. Ourread more
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Tetrabutylammonium Chloride 95%Tetrabutylammonium chloride (TBACL) is a quaternary ammonium compound. The form ₆ was C₁₆H₃ ClN and its molecular weight was approximately 277.92 g/mol. It has certain hygroscopicity and is easilyread more
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Tetrabutylammonium Fluoride TrihydrateTetrabutylammonium fluoride hydrate (CAS 87749-50-6) is available in two concentrations: 82% and 85%. It contains crystal water, its anhydrous base is 98%min. It is an important selectiveread more
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Tetrabutylammonium DiacetateTetrabutylammonium diacetate (also known as Tetrabutyl ammonium acetate,aceticacid or N,N,N-Tributylbutan-1-aminium diacetate) is an organic compound with the chemical formula C20H43NO4 and aread more
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Tetrabutylammonium PerchlorateTetrabutylammonium perchlorate, also known as TBAP, is a chemical compound represented by the formula C16H36NClO4. This inorganic substance consists of two components: the cation tetrabutylammoniumread more
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Benzyl Tributyl Ammonium ChlorideBenzyl tributyl ammonium chloride (CAS 23616-79-7)is also known as BTBAC or BTBA, with the chemical formula C19H34ClN.It is a widely used quaternary ammonium salt. It is often used as a phaseread more
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Methyl Triphenyl Phosphonium BromideMethyl triphenyl phosphonium bromide (CAS 1779-49-3), with a purity of 99.5% min,it is used as a phase transfer catalyst in organic synthetic chemistry, suitable for the synthesis of interaromaticread more
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Tetraethylammonium HydroxideTetraethylammonium hydroxide (CAS 77-98-5) is used as a phase transfer catalyst, a template agent for molecular sieve synthesis, a cleaning agent, and a deimpurity agent in the petroleum industry.read more
Cinchona Alkaloid-Derived Quaternary Ammonium Salts (Gockel and Weber 1978, Dalko and Moisan 2001, O’Donnell 1993, Sasson 1997). Cinchona alkaloids are a family of natural...
Jul 2, 2023 · Temperature generally accelerates reactions and so does in PTC, however the catalyst may decompose at certain temperatures. For example, quaternary ammonium salts...
Jan 1, 2018 · Polymer-supported ammonium salts, phosphonium salts, macrocyclic polyethers, and poly(ethylene glycols) (PEGs) are effective and reusable solid-phase phase transfer...
In these cases, the use of phase-transfer catalysts (PTC) is inevitable; PTC increases the rate of reaction which facilitates the migration of a reactant from one phase into another phase where...
Nov 5, 2023 · Because it dissolves most quaternary salts and is hydrophobic, CH2C12 is widely used. Non-polar solvents like toluene are commonly employed for asymmetric PTC because they maximize...
Jun 11, 2016 · The present work describes the C-alkylation reactions of fluorene and curcumin catalyzed by a new phosphonium salt, benzene-1,3,5...
