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Allyl cross metathesis with alkynes

Blechert reported a skillful method of cross-enyne metathesis. Solid-supported alkyne 139 is reacted with alkene in the presence of Ic to give 140. For cleavage of 1,3-diene from solid-supported product 140 having an allyl acetate moiety, palladium-catalyzed allylic substitution is used. Thus, 140 is treated with Pd(PPh3)4 in the presence of methyl malonate to afford three-component coupling product 141 in good yield ... [Pg.195]

See other pages where Allyl cross metathesis with alkynes is mentioned: [Pg.210]    [Pg.51]    [Pg.51]    [Pg.203]    [Pg.477]    [Pg.239]    [Pg.185]    [Pg.186]    [Pg.103]    [Pg.175]   
See also in sourсe #XX -- [ Pg.165 ]



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Alkynes allylation

Alkynes metathesis

Allyl cross metathesis

Allyl metathesis

Cross alkyne

Cross metathesis

Metathesis with alkynes

With alkynes

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