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Palladium(II) acetate in pyridine as an effective catalyst for highly regioselective hydroselenation of alkynes.

The Journal of organic chemistry (2005-01-18)
Ikuyo Kamiya, Etsuyo Nishinaka, Akiya Ogawa
RÉSUMÉ

A highly regioselective hydroselenation of terminal alkynes with benzeneselenol can be achieved by the combination of palladium acetate and pyridine, providing the corresponding terminal alkenes, (i.e., 2-phenylseleno-1-alkenes) as a sole product. In this hydroselenation, pyridine may act as a suitable ligand for active palladium intermediates.

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Sigma-Aldrich
[Pd(OAc)2]3, reagent grade, 98%
Sigma-Aldrich
[Pd(OAc)2]3, ≥99.9% trace metals basis
Sigma-Aldrich
Palladium(II) Acetate ChemBeads