Items 41 to 50 of 100 total
Display:
Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
---|---|---|---|---|---|---|
(Methoxymethyl)triphenylphosphonium chloride | 4009-98-7 | sc-250323 | 25 g | $55.00 | ||
(Methoxymethyl)triphenylphosphonium chloride serves as a potent Wittig reagent, distinguished by its ability to generate stable ylides through the methoxymethyl group. This unique structure facilitates selective reactions with carbonyl compounds, leading to the formation of alkenes with high regio- and stereoselectivity. The chloride ion enhances the reactivity of the ylide, allowing for rapid reaction kinetics and efficient formation of diverse olefins, making it a valuable asset in synthetic methodologies. | ||||||
Ethyltriphenylphosphonium iodide | 4736-60-1 | sc-239973 | 100 g | $72.00 | ||
Ethyltriphenylphosphonium iodide is a notable Wittig reagent characterized by its ability to form highly reactive ylides through the ethyl group. The iodide ion significantly enhances the nucleophilicity of the ylide, promoting swift reactions with carbonyl compounds. This reagent exhibits remarkable selectivity in alkene formation, often yielding products with distinct stereochemical configurations. Its unique electronic properties and steric effects contribute to efficient synthetic pathways in organic chemistry. | ||||||
Triphenylvinylphosphonium bromide | 5044-52-0 | sc-253783 | 25 g | $306.00 | ||
Triphenylvinylphosphonium bromide serves as a versatile Wittig reagent, distinguished by its ability to generate vinyl ylides that engage in rapid and selective reactions with carbonyl compounds. The bromide ion enhances the reactivity of the ylide, facilitating the formation of alkenes with varied substitution patterns. Its unique steric and electronic characteristics allow for the fine-tuning of reaction conditions, leading to diverse synthetic outcomes in organic transformations. | ||||||
Propyltriphenylphosphonium bromide | 6228-47-3 | sc-250797 | 25 g | $31.00 | ||
Propyltriphenylphosphonium bromide is a notable Wittig reagent, recognized for its capacity to form stable phosphonium ylides that readily react with carbonyl compounds. The presence of the propyl group influences the steric environment, promoting regioselectivity in alkene formation. Its robust reactivity is attributed to the electron-donating properties of the triphenylphosphonium moiety, which enhances nucleophilicity and accelerates reaction kinetics, enabling efficient synthesis in complex organic reactions. | ||||||
(2-Hydroxyethyl)triphenylphosphonium bromide | 7237-34-5 | sc-230407 | 25 g | $79.00 | ||
(2-Hydroxyethyl)triphenylphosphonium bromide serves as an effective Wittig reagent, distinguished by its ability to generate phosphonium ylides that engage in selective reactions with carbonyl compounds. The hydroxyethyl substituent introduces unique steric and electronic effects, facilitating the formation of alkenes with specific stereochemistry. Its reactivity is enhanced by the triphenylphosphonium group, which stabilizes the ylide and promotes rapid reaction rates, making it a versatile tool in organic synthesis. | ||||||
(4-Bromobutyl)triphenylphosphonium bromide | 7333-63-3 | sc-232506 | 25 g | $66.00 | ||
(4-Bromobutyl)triphenylphosphonium bromide acts as a potent Wittig reagent, characterized by its ability to form stable phosphonium ylides through the bromobutyl moiety. This unique structure enhances nucleophilicity, allowing for efficient reactions with carbonyl compounds. The presence of the triphenylphosphonium group not only stabilizes the ylide but also influences the regioselectivity of the resulting alkenes, enabling precise control over product formation in synthetic pathways. | ||||||
Diethyl 2,2-Diethoxethylphosphonate | 7598-61-0 | sc-218203 | 5 g | $104.00 | ||
Diethyl 2,2-Diethoxethylphosphonate serves as an effective Wittig reagent, notable for its ability to generate phosphonium ylides that exhibit enhanced stability due to steric hindrance from the diethoxy groups. This steric bulk influences the reaction kinetics, promoting selective interactions with carbonyl compounds. The unique electronic properties of the phosphonate moiety facilitate efficient formation of alkenes, allowing for tailored synthetic strategies in organic chemistry. | ||||||
Triphenyltridecylphosphonium Bromide | 13266-02-9 | sc-213122 | 250 mg | $360.00 | ||
Triphenyltridecylphosphonium bromide acts as a versatile Wittig reagent, characterized by its long hydrophobic tridecyl chain that enhances solubility in nonpolar solvents. This unique structure promotes favorable interactions with carbonyl substrates, leading to efficient ylide formation. The presence of three phenyl groups contributes to the stability of the phosphonium ion, facilitating rapid reaction kinetics and enabling selective alkene synthesis through a streamlined pathway in organic transformations. | ||||||
Ethyl (triphenylphosphoranylidene)pyruvate | 13321-61-4 | sc-228013 | 25 g | $459.00 | ||
Ethyl (triphenylphosphoranylidene)pyruvate serves as a distinctive Wittig reagent, notable for its ability to engage in selective carbon-carbon bond formation. The presence of the ethyl group enhances its reactivity, while the triphenylphosphoranylidene moiety stabilizes the ylide, promoting efficient nucleophilic attack on carbonyl compounds. This reagent exhibits unique steric and electronic properties, allowing for tailored synthesis of alkenes with specific configurations, thus broadening its utility in organic synthesis. | ||||||
Butyltriphenylphosphonium chloride | 13371-17-0 | sc-227556 | 25 g | $46.00 | ||
Butyltriphenylphosphonium chloride is a versatile Wittig reagent characterized by its robust ylide formation and stability. The butyl group imparts increased solubility and reactivity, facilitating rapid nucleophilic attacks on carbonyl substrates. Its unique steric profile allows for selective alkene synthesis, while the triphenylphosphonium moiety enhances the reagent's electrophilic character. This combination of features enables efficient and controlled carbon-carbon bond formation in complex organic transformations. |