Hydroxyphthalimide
WebOptimization studies. NHPI: N-Hydroxyphthalimide. Moreover, replacing 3 with benzyl bromide67 did not lead to any C–C coupling product under our conditions instead giving significant amounts of the dimer of 3: 1,2-diphenylethane (see Supporting Information). The nuanced complexities of reaction development are further exemplified in Table 1. Web3 jan. 2024 · N-Hydroxyphthalimide CAS Number: 524-38-9: Molecular Weight: 163.130: Density: 1.6±0.1 g/cm3: Boiling Point: 370.3±25.0 °C at 760 mmHg: Molecular Formula: …
Hydroxyphthalimide
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WebDecarboxylative Cross-Coupling. Decarboxylative cross-couplings is a reaction to connect aryl halides and alkyl carboxylic acids. Though alkyl carboxylic acids require hetero atoms at α-position for good yields, use of phthalimide [P0402] as an additive 8) and N-hydroxyphthalimide [H0395] as an activator 10) can improve reactivity. Additionally, … Web11 apr. 2024 · Synthesis of Polycyclic Quinazolinones through C(sp 3 )−H Functionalization of Inert Alkanes or Visible‐Light‐Promoted Oxidation Decarboxylation of N ‐Hydroxyphthalimide Esters
N-Hydroxyphthalimide is a colorless to yellow, odorless crystalline powder which is soluble in water and organic solvents such as acetic acid, ethyl acetate and acetonitrile. The compound exists in two different-colored monoclinic crystal forms. In case of the colorless white form, the NOH group is rotated … Meer weergeven N-Hydroxyphthalimide is the N-hydroxy derivative of phthalimide. The compound can be utilized as a catalyst for oxidation reactions, in particular for the selective oxidation (e. g. alkanes to alcohols) with molecular oxygen Meer weergeven Nefkens and Tesser developed a technique for generating active esters from N-hydroxyphthalimide for use in peptide synthesis, … Meer weergeven The synthesis of N-hydroxyphthalimide from phthaloyl chloride and hydroxylamine hydrochloride in the presence of sodium carbonate in … Meer weergeven The radical derived by removal of a hydrogen atom from N-hydroxyphthalimide is called N-phthalimido-N-oxyl, acronym being PINO. … Meer weergeven Web1 apr. 2024 · At present, N-hydroxyphthalimide (NHPI) is considered to be a very representative and efficient catalyst for oxidation reaction [16], [17], [18], [19], which can …
Web4 jan. 2024 · The phthalimide N-oxyl radical (PINO) produced from N-hydroxyphthalimide (Fig. 1), a typical example of N-hydroxyimide analogs, is a carbon radical producing … WebAn intermolecular anti-Markovnikov hydroamination of alkenes has been developed using triethyl phosphite and N-hydroxyphthalimide. The process tolerates a wide range of alkenes, including vinyl ethers, silanes, and sulfides as well as electronically unbiased terminal and internal alkenes. The resultant N-alkylphthalimides can readily be …
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Web11 apr. 2024 · The authors investigated the effect of reaction temperatures, oxygen pressure, mass amount of N-hydroxyphthalimide (NHPI), and reaction time on the catalytic activity. The results showed that the Co-ZIF catalyst gave the best result of 92.30% toluene conversion and 91.31% selectivity to benzaldehyde under 0.12 MPa and 313 K. matthew hutchins mdWebThe estimated water solubility of 2-hydroxyphthalimide at 25 deg C was 50450 mg/l. Data from handbooks and authoritative databases suggests that the estimated water solubility of 2-hydroxyphthalimide at 25 deg C was 50500 mg/l. These value indicates that 2 -hydroxyphthalimide is highly soluble in water. Explosiveness: matthew hutchinson goalieWeb15 jun. 2024 · Decarboxylative borylation of 5-hexenyl N-hydroxyphthalimide ester 54 leads to a mixture of the 5-hexenyl 56 and the cyclopentyl methyl boronic ester 55. (D) UV/visible absorption spectra (normalized) of DMAc solutions of N-hydroxyphthalimide ester 1 (red trace), B 2 cat 2 (blue trace), and a 1:1.25 mixture of ester 1 and B 2 cat 2 … matthew hutchins october 2022