Items 91 to 100 of 100 total
Display:
Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
---|---|---|---|---|---|---|
(3,3,3-Trichloropropyl)triphenylphosphonium chloride | 804482-50-6 | sc-289285 | 1 g | $77.00 | ||
(3,3,3-Trichloropropyl)triphenylphosphonium chloride acts as a potent Wittig reagent, notable for its ability to form highly reactive phosphonium ylides. The presence of three chlorine atoms on the propyl chain significantly enhances the electrophilicity of the ylide, promoting rapid nucleophilic addition to carbonyl compounds. This reagent's unique electronic configuration and steric hindrance facilitate selective alkene formation, enabling efficient transformations in synthetic organic chemistry. | ||||||
(Carbethoxymethylene)triphenylphosphorane | 1099-45-2 | sc-207403 | 50 g | $175.00 | ||
Carbethoxymethylene triphenylphosphorane serves as a versatile Wittig reagent, distinguished by its ability to generate stable phosphonium ylides through a unique resonance stabilization mechanism. The ethyl ester moiety enhances the nucleophilicity of the ylide, allowing for efficient and selective reactions with carbonyl compounds. Its steric properties and electronic characteristics promote diverse alkene formations, making it a valuable tool for complex organic syntheses. | ||||||
2-(Diphenylphosphino)benzaldehyde | 50777-76-9 | sc-254085 | 1 g | $45.00 | ||
2-(Diphenylphosphino)benzaldehyde acts as a distinctive Wittig reagent, characterized by its ability to form stable phosphonium ylides through a unique interaction with carbonyl compounds. The presence of the diphenylphosphino group enhances the electrophilic nature of the aldehyde, leading to accelerated reaction kinetics. This compound's steric bulk and electronic properties allow for selective alkene formation, often resulting in high stereoselectivity and regioselectivity in synthetic pathways. | ||||||
Phenethyltriphenylphosphonium Bromide | 53213-26-6 | sc-477690 | 250 mg | $300.00 | ||
Phenethyltriphenylphosphonium bromide is a notable Wittig reagent, characterized by its ability to form highly reactive phosphonium ylides. The presence of the phenethyl group contributes to enhanced stability and solubility, facilitating smoother reaction kinetics. This compound exhibits unique selectivity in reactions with carbonyl compounds, often leading to the formation of alkenes with specific stereochemical configurations. Its distinct electronic properties allow for a range of synthetic applications in organic chemistry. | ||||||
(Phenylthio)methyltriphenylphosphonium Chloride | 13884-92-9 | sc-212555 | 5 g | $300.00 | ||
(Phenylthio)methyltriphenylphosphonium chloride serves as a versatile Wittig reagent, notable for its ability to generate phosphonium ylides that engage in efficient olefination reactions. The phenylthio group enhances nucleophilicity, promoting rapid reaction with carbonyl substrates. This compound's unique steric and electronic characteristics facilitate selective formation of alkenes, often yielding products with defined stereochemistry. Its reactivity profile makes it a valuable tool in synthetic organic chemistry. | ||||||
(2-Carboxyethyl)-triphenylphosphonium Chloride | 36626-29-6 | sc-209126 | 2.5 g | $300.00 | ||
(2-Carboxyethyl)-triphenylphosphonium Chloride serves as a versatile Wittig reagent, notable for its ability to generate phosphonium ylides that engage in efficient olefination reactions. The carboxyethyl group introduces a polar character, enhancing solubility in various solvents and facilitating interactions with electrophiles. Its triphenylphosphonium moiety contributes to a stable ylide formation, promoting rapid reaction rates and enabling selective transformations in complex organic syntheses. | ||||||
(4-Chlorobenzyl)triphenylphosphonium chloride | 1530-39-8 | sc-226590 | 5 g | $22.00 | ||
(4-Chlorobenzyl)triphenylphosphonium chloride is a distinctive Wittig reagent characterized by its chlorobenzyl substituent, which modulates the electronic environment of the phosphonium center. This modification enhances the stability of the ylide intermediate, promoting selective alkene formation. The compound's steric and electronic properties allow for fine-tuning of reaction conditions, enabling efficient transformations and expanding the scope of synthetic applications in organic chemistry. | ||||||
Tributyl(1,3-dioxolan-2-ylmethyl)phosphonium Bromide | 115754-62-6 | sc-477009 | 5 g | $200.00 | ||
Tributyl(1,3-dioxolan-2-ylmethyl)phosphonium Bromide serves as a versatile Wittig reagent, characterized by its ability to stabilize reactive intermediates through favorable charge distribution. The dioxolane moiety enhances its nucleophilicity, promoting efficient olefination reactions. Its bulky tributyl groups create a sterically hindered environment, which can influence the regioselectivity of the resulting alkenes, allowing for tailored synthetic pathways in organic chemistry. | ||||||
(Methylthiomethyl)triphenylphosphonium chloride | 1779-54-0 | sc-269603 sc-269603A | 1 g 5 g | $45.00 $200.00 | ||
(Methylthiomethyl)triphenylphosphonium chloride is a distinctive Wittig reagent characterized by its ability to form stable phosphonium ylides through the unique methylthiomethyl group. This group enhances nucleophilicity, allowing for effective olefination with a range of carbonyl compounds. The triphenylphosphonium component stabilizes the ylide, leading to accelerated reaction kinetics and high selectivity in synthetic pathways, making it a valuable tool in organic chemistry. | ||||||
N-Nitroso-N,N-dinonylamine | 84424-96-4 | sc-212255 | 10 mg | $320.00 | ||
N-Nitroso-N,N-dinonylamine is a unique nitroso compound that exhibits intriguing reactivity as a Wittig reagent. Its long aliphatic chains enhance solubility in organic solvents, promoting efficient reaction kinetics. The nitroso group introduces a distinct electrophilic character, allowing for selective interactions with phosphonium ylides. This compound's steric bulk from the dinonyl groups can influence the stereochemistry of the resulting alkenes, providing a versatile tool for synthetic chemists. |