SCHEDULED MAINTENANCE
Phosphinito palladium(ii) complexes as catalysts for the synthesis of 1,3-enynes, aromatic alkynes and ynones
R. E.
Islas, 
a
J.
Cárdenas,
*a
R.
Gaviño,
a
E.
García-Ríos,
a
L.
Lomas-Romero
b
and
J. A.
Morales-Serna
*b
a
J.
Cárdenas,
*a
R.
Gaviño,
a
E.
García-Ríos,
a
L.
Lomas-Romero
b
and
J. A.
Morales-Serna
*b
Abstract
An air-stable phosphinito palladium(II) complex (Ph1-Phoxide) has been found to be an efficient catalyst in the formation of C–C bonds. The coupling of terminal alkynes formed gem-1,3-enynes as the only reaction products. Aromatic alkynes can be synthesized from the coupling of terminal alkynes and haloaromatic compounds (Sonogashira coupling). The phosphinito palladium(II) complex also catalyses the coupling between acyl chlorides and terminal alkynes (Sonogashira coupling), furnishing ynones in excellent yields.
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