Regioselective addition of stannylcyanocuprates to acetylenic ethers: A chemical and spectroscopic study

DOI: 10.1055/s-1994-25492

Source and publish data:

Synthesis p. 432 - 442 (1994)

Update date:2022-08-11

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Cabezas Cabezas

Oehlschlager

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Article abstract of DOI:10.1055/s-1994-25492

The reactions of acetylenic ether 1 with higher order cuprates 2a, 2b and 2c were studied chemically and spectroscopically. Conditions were developed to efficiently and regioselectively prepare α- and β-stannylvinyl ethers. ¹H and ¹³C NMR studies of these reactions suggest that in the presence of HMPA, higher order stannylcyanocuprate, (Bu₃Sn)₂Cu(CN)Li₂, 2a, exists in equilibrium with Gilman cuprate, (Bu₃Sn)₂CuLi.

Full text of DOI:10.1055/s-1994-25492

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