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HMPA hexamethyl phosphoric acid

DCC dicyclohexyl carbodiimide HMPA hexamethyl phosphoric acid... [Pg.320]

Ester Enolates Quite different is the situation when ester enolates are used as nucleophiles. The yields obtained are generally low, and it is assumed that nonstabilized carbanions attack the metal in preference to the aUyl group [110], resulting in reduction of the complex rather than alkylation. However, addition of hexamethyl phosphoric acid triamide (HMPA) to this reaction completely suppresses the reduction and permits the alkylation to proceed with nonstabilized carbanions as well [111]. For example, treatment of tt-allylpalladium chloride with... [Pg.950]

See other pages where HMPA hexamethyl phosphoric acid is mentioned: [Pg.444]    [Pg.76]    [Pg.65]    [Pg.294]    [Pg.984]    [Pg.462]    [Pg.444]    [Pg.76]    [Pg.65]    [Pg.294]    [Pg.984]    [Pg.462]    [Pg.99]    [Pg.589]    [Pg.576]    [Pg.149]    [Pg.4763]    [Pg.144]    [Pg.217]    [Pg.254]   


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2,2 ,4,4 ,5,5 -Hexamethyl

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