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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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(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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Tetrapropylammonium ChlorideTetrapropylammonium Chloride 97% (CAS 5810-42-4) is a quaternary ammonium which is commonly used as a phase transfer catalyst, surfactant, and intermediate in the synthesis of other chemicals, we areread 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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Tetrabutylammonium TribromideTetrabutylammonium tribromide (CAS 38932-80-8) is a stable orange non-toxic solid with a melting point of 69–75°C. It is insoluble in water but soluble in chloroform, dichloromethane, ethyl acetate,read more
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Methyl Triethyl Ammonium ChlorideMethyl triethyl ammonium chloride, also known as triethylmethylammonium chloride, is an organic compound with the chemical formula C7H16NCl and a molecular weight of 151.68. This substance isread more
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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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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
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Benzyltrimethylammonium HydroxideBenzyltrimethylammonium hydroxide(CAS 100-85-6)with a content of 25%, It is commonly used as polymerization catalyst for synthesis of silicone rubber and other organosilicon products andread more
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1- Adamantyltrimethylammonium Hydroxide1-adamantyltrimethylammonium hydroxide, chemical formula C13H25NO, CAS number 53075-09-5, is an organic compound belonging to the quaternary ammonium salt class. It is easy to absorb carbon dioxide,read more
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12- Crown Ether -412-Crown-4 (12-crown-4) is an organic compound belonging to the crown ether family with a molecular formula of C8H16O4 and a molecular weight of 176.21 g/mol. Crown ether is a class ofread more
These PTC displacement reactions require high temperature and require thermally stable phase-transfer catalysts, such as hexaethyl guanidinium chloride (HEG Cl) and tetraphenyl...
Dec 16, 2023 · 15. O'Driscoll BR (1989) "Supraventricular tachycardia caused by nebulised ipratropium bromide." Thorax, 44, p. 312. 16. Cabana MD, Johnson H, Lee CKK, Helfaer M (1998) "Transient...
Tetrabutyl phosphonium bromide, TBPB, usually provides higher reactivity as a phase-transfer catalyst than TBAB, the corresponding ammonium salt, due to the looser ion pair with the reacting anion...
Sep 25, 2015 · Phase-transfer catalysis (PTC) is useful primarily for performing reaction between anions and organic substrates. Catalysts used most extensively are quaternary ammonium or...
Compounds containing bromide ions—including potassium-, sodium-, and ammonium bromide—were once used as sedatives and anticonvulsants, and were a major ingredient in over-the-counter products (eg,...
Bromide was the sole viable anticonvulsant on the market until the discovery of phenobarbital in 1912. Bromide was first offered to dogs in 1907, but its promise as an anticonvulsant was not found...
