Items 71 to 80 of 100 total
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide | 69891-92-5 | sc-237849 | 5 g | $58.00 | ||
2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide is a specialized Wittig reagent characterized by its unique dioxane ring, which enhances solubility and stability in polar solvents. This compound exhibits a distinctive reactivity due to the electron-donating properties of the dioxane moiety, facilitating the formation of ylides with increased nucleophilicity. Its steric and electronic properties enable selective alkene synthesis, making it a versatile tool in organic synthesis. | ||||||
(2-Hydroxybenzyl)triphenylphosphonium bromide | 70340-04-4 | sc-288152 sc-288152A | 5 g 25 g | $72.00 $280.00 | ||
(2-Hydroxybenzyl)triphenylphosphonium bromide serves as a distinctive Wittig reagent, notable for its ability to stabilize ylide formation through intramolecular hydrogen bonding. This interaction enhances the reactivity of the phosphonium salt, promoting efficient alkene generation. The presence of the hydroxyl group contributes to its unique electronic profile, allowing for selective reactions under mild conditions. Its steric bulk aids in directing the formation of specific alkenes, making it a valuable asset in synthetic pathways. | ||||||
Diethyl (3-Chlorobenzyl)phosphonate | 78055-64-8 | sc-294313 sc-294313A | 1 g 5 g | $123.00 $357.00 | ||
Diethyl (3-Chlorobenzyl)phosphonate acts as a versatile Wittig reagent, characterized by its ability to facilitate ylide formation through the presence of the chlorobenzyl group, which enhances electrophilic character. This compound exhibits unique reactivity due to its electron-withdrawing chlorine atom, which modulates the nucleophilicity of the ylide. Its steric properties influence selectivity in alkene synthesis, allowing for tailored synthetic strategies in complex organic transformations. | ||||||
(2-Aminobenzyl)triphenylphosphonium bromide | 78133-84-3 | sc-229937 | 1 g | $117.00 | ||
(2-Aminobenzyl)triphenylphosphonium bromide serves as a distinctive Wittig reagent, notable for its ability to generate stable ylides through the interaction of the amino group with the phosphonium center. This compound's unique electronic properties, derived from the triphenylphosphonium moiety, enhance its reactivity in forming alkenes. The presence of the amino group also introduces hydrogen bonding capabilities, influencing reaction kinetics and selectivity in synthetic applications. | ||||||
(Benzyloxycarbonylmethyl)triphenylphosphonium bromide | 78385-36-1 | sc-234003 | 10 g | $83.00 | ||
(Benzyloxycarbonylmethyl)triphenylphosphonium bromide is a specialized Wittig reagent characterized by its ability to form highly reactive ylides through the interaction of the benzyloxycarbonylmethyl group with the phosphonium ion. This compound exhibits unique steric and electronic properties, which facilitate selective alkene formation. Its bulky substituents can influence reaction pathways, enhancing regioselectivity and providing a versatile tool for complex organic synthesis. | ||||||
(4-Ethoxybenzyl)triphenylphosphonium bromide | 82105-88-2 | sc-232646 | 5 g | $23.00 | ||
(4-Ethoxybenzyl)triphenylphosphonium bromide serves as a distinctive Wittig reagent, notable for its ability to generate stable ylides that engage in efficient olefination reactions. The ethoxy group enhances solubility and modulates electronic effects, promoting favorable reaction kinetics. Its unique steric profile allows for selective formation of alkenes, enabling chemists to navigate complex reaction landscapes with precision and control in synthetic pathways. | ||||||
Ethyl 4,4,4-trifluoro-2-(triphenylphosphoranylidene)acetoacetate | 83961-56-2 | sc-235011 | 5 g | $120.00 | ||
Ethyl 4,4,4-trifluoro-2-(triphenylphosphoranylidene)acetoacetate is a specialized Wittig reagent characterized by its strong electron-withdrawing trifluoromethyl group, which significantly influences the reactivity of the ylide. This feature enhances the electrophilicity of the carbonyl substrates, facilitating rapid and selective olefination. The triphenylphosphonium moiety contributes to the stability of the ylide, allowing for efficient formation of alkenes under mild conditions, thus broadening the scope of synthetic applications. | ||||||
2-(1,3-Dioxolan-2-yl)ethyltriphenylphosphonium bromide | 86608-70-0 | sc-237850 | 5 g | $97.00 | ||
2-(1,3-Dioxolan-2-yl)ethyltriphenylphosphonium bromide serves as a versatile Wittig reagent, notable for its unique dioxolane ring that enhances solubility and stability in various solvents. The presence of the triphenylphosphonium group stabilizes the ylide, promoting efficient nucleophilic attack on carbonyl compounds. This reagent exhibits distinct reactivity patterns, enabling selective formation of alkenes through controlled reaction kinetics, making it a valuable tool in synthetic organic chemistry. | ||||||
2-(Triphenylphosphoranylidene)butyraldehyde | 90601-08-4 | sc-223308 | 1 g | $41.00 | ||
2-(Triphenylphosphoranylidene)butyraldehyde is a distinctive Wittig reagent characterized by its ability to form stable ylides due to the electron-donating triphenylphosphoranylidene moiety. This stability facilitates rapid and selective reactions with carbonyl compounds, leading to the formation of alkenes. Its unique steric and electronic properties allow for fine-tuning of reaction conditions, enabling chemists to achieve high yields and selectivity in synthetic pathways. | ||||||
(e,e)-2,4-Heptadienyldiphenylphosphine Oxide | 91575-92-7 | sc-211390 | 100 mg | $300.00 | ||
(e,e)-2,4-Heptadienyldiphenylphosphine Oxide serves as a versatile Wittig reagent, notable for its ability to generate highly reactive ylides through the interaction of its conjugated diene system with phosphine oxide. This compound exhibits unique reactivity patterns, allowing for efficient alkene formation via stereoselective pathways. Its distinct electronic structure enhances nucleophilicity, promoting rapid reactions with various carbonyl substrates while minimizing side reactions, thus optimizing synthetic efficiency. | ||||||