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Palladium-monophosphine complexes catalyse trans-selective arylative, alkenyla-tive, and alkylative cyclization reactions of alkynals [e.g. (68)] and alkynones with organoboronic reagents. These reactions afford six-membered allylic alcohols (69) (g) and/or their five-membered counterparts (70), whose ratios are dramatically affected... [Pg.334]

See other pages where Alkynones, cyclization complexes is mentioned: [Pg.201] [Pg.209] [Pg.148] [Pg.201] [Pg.443] [Pg.496]