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4.4.30.2.3 Variation 3: Of Chlorosilanes with Ethynylzinc Reagents

DOI: 10.1055/sos-SD-004-00688

Hiyama, T.; Mori, A.Science of Synthesis, (20024649.

In addition to the reaction of chlorosilanes with alkynylmetals of group 1 and 2 elements, alkynylzinc reagents can also be employed for the synthesis of alkynylsilanes. The reaction of a terminal alkyne with a chlorosilane in the presence of zinc powder, or a combination of a catalytic amount of zinc(II) chloride and samarium metal, gives the corresponding ethynylsilanes (Scheme 4).

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