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Hoyveda

The first-developed method for the enantioselective construction of secondary aminated stereocenters, by Knowles, was the hydrogenation of enamides such as II. In the context of a synthesis of BILN 2061 15, an antiviral protease inhibitor, Anne-Marie Faucher of Boehringer-Ingeiheim, Laval has shown (Organic Lett. 2004, 6, 2901) that such hydrogenations can be effected even in the presence of a terminal vinyl group. The product 12 was carried on to 15 over several steps, including the Ru (Hoyveda) cyclization of 13 to 14. [Pg.198]

See other pages where Hoyveda is mentioned: [Pg.40]    [Pg.184]    [Pg.163]    [Pg.69]    [Pg.70]    [Pg.357]    [Pg.1010]    [Pg.106]    [Pg.489]    [Pg.491]    [Pg.492]    [Pg.492]    [Pg.492]    [Pg.493]    [Pg.562]    [Pg.576]    [Pg.232]    [Pg.146]    [Pg.146]    [Pg.40]    [Pg.184]    [Pg.163]    [Pg.69]    [Pg.70]    [Pg.357]    [Pg.1010]    [Pg.106]    [Pg.489]    [Pg.491]    [Pg.492]    [Pg.492]    [Pg.492]    [Pg.493]    [Pg.562]    [Pg.576]    [Pg.232]    [Pg.146]    [Pg.146]   
See also in sourсe #XX -- [ Pg.424 ]



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Hoyveda-Grubbs’ Catalyst

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