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Octene terminal alkynes catalyzed

Pinacolborane (PBH, 537) sluggishly hydroborates alkynes and alkenes. Hydro-boration of alkyne with PBH is catalyzed by hydrozirconocene chloride (HCp2ZrCl) [206], CpNi(Ph3P)Cl and Rh(CO)(Ph3P)2Cl [207] at room temperature. Hydrobora-tion of 4-octene with PBH at room temperature gives either terminal or internal boranes 538 or 539 regioselectively, depending on the catalyst used [207]. PBH is more stable than CBH, and easier to handle. [Pg.287]

See other pages where Octene terminal alkynes catalyzed is mentioned: [Pg.576]    [Pg.138]    [Pg.848]    [Pg.386]    [Pg.54]    [Pg.169]    [Pg.10]    [Pg.54]    [Pg.169]    [Pg.223]   
See also in sourсe #XX -- [ Pg.139 ]



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