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Propargyltriphenylphosphonium bromide

Propargyltriphenylphosphonium bromide [ Triphenyl(prop-2-ynyl)phosphonium... [Pg.494]

J-HALOVINYL KETONES Triphenylphosphine-Carbon tetrachloride. HETEROCYCLES Carbon suboxide. Diethyl isocyanomethylphosphonate. Ethoxy-carbonyl isothiocyanate. Propargyltriphenylphosphonium bromide. Selenium. HOMOALLYLIC ALCOHOLS 7r-2-Methylallylnickel bromide. 2-Methyl-2-thia-zoline. [Pg.788]

Propanedithiol, 49, 493 n-Propanol, 674 2-Propanol, 17 Propargyl bromide, 493-494 Propargylic halides, 329 Propargyl tetradropyranyl ether, 602 Propargyltriphenylphosphonium bromide,... [Pg.381]

Propargyltriphenylphosphonium bromide j triethylamine Acylation with carboxylic acids under mild conditions... [Pg.363]

N"Acylation. Propargyltriphenylphosphonium bromide mixed with a soln. of benzoic acid and Et3N in strictly anhydrous chloroform at room temp., stirred for 10-20 min, 1 eq. benzylamine in the same solvent added, and stirring continued for a further 20-25 h N-benzylbenzamide. Y 76%. The phosphonium reagent is easily re-cycled by treatment of the by-product with aq. NaOH. F.e. and O-acylation s. M.N.I. Khandker et al., Indian J. Chem. 26B, 773-5 (1987). [Pg.363]

See other pages where Propargyltriphenylphosphonium bromide is mentioned: [Pg.240]    [Pg.256]    [Pg.250]    [Pg.240]    [Pg.256]    [Pg.250]   
See also in sourсe #XX -- [ Pg.494 ]



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