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Dibenzo-18-crown-6Dibenzo-18-crown ether-6, specifically, is a ring structure composed of two benzene rings through 18 carbon atoms and 6 oxygen atoms, of which 6 oxygen atoms are located on the ring, spaced apart,read 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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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 TetrafluoroborateTetrabutylammonium tetrafluoroborate (CAS 429-42-5 ), also known as TBATFB, is an organic chemical compound with the formula C₁₆H₃₆BF₄N. It is a quaternary ammonium salt with solubility in water andread more
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Benzyl Triethyl Ammonium ChlorideBenzyltriethylammonium chloride (CAS 56-37-1), with a purity of 99.0% min, is a quaternary ammonium salt. It shares similar properties with inorganic salts, being water-soluble and capable ofread 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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Triethylamine HydrobromideTriethylamine hydrobromide (CAS 636-70-4) , Purity 99.0% min,it is a white crystalline solid that is stable at room temperature. It is strongly hygroscopic and soluble in water. Its aqueous solutionread 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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Tetrabutylammonium HydroxideTetrabutylammonium Hydroxide(CAS 2052-49-5),with a content of 25%, it is a colorless transparent liquid. It is easy to form crystalline hydrate solids below 25℃.It is commonly used as a phaseread 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
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15- Crown Ether -515-crown-5 is a chemical with a molecular formula of C10H20O5, a molecular weight of 220.26 g/mol, and a CAS number of 33100-27-5. It belongs to the category of crown ether compounds, which are namedread more
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18- Crown Ether -618-crown-6 is an organic compound with the formula C12H24O6. It belongs to the macrocyclic ether class, characterized by a large ring in the molecular structure, with multiple oxygen atomsread more
Jul 19, 2015 · A series of novel 18-crown-6 ether functionalized bis-benzimidazole derivatives (3a–g) have been synthesized by reacting various substituted ortho-phenylene diamines and...
Oct 1, 2008 · Slow evaporation of dibenzo-18-crown-6 and 3- (trichlorostannyl)propanamide (0.2 mmol of each) in ethanol solution (15 ml) led to isolation of tiny colourless shards of (I)....
Aug 13, 1996 · Phase transfer catalysis (PTC) uses catalytic amounts of phase transfer agents which facilitate interphase transfer of species, making reactions between reagents in two...
Oct 15, 2008 · Fluorous derivatives of dibenzo-18-crown-6 ether were readily prepared by means of metal-catalyzed cross-coupling reactions, and then successfully applied as catalysts in...
The “light fluorous” dibenzo-18-crown-6 ether (14) has emerged as a stable and robust PTC catalyst, which can be recycled efficiently by fluorous solid-phase extraction, and gives better......
Sep 9, 2008 · The ion-pair extraction equilibria of dibenzo-18-crown-6 (DB18C6) complexes of Na+, K+, Rb+ and Cs+ (M+) with picrate ion (Pic−) into 1,2-dichloroethane (1,2-DCE) have...
