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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 20, 1990 - Issue 22
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Original Articles

A Quick Procedure for the Partial Reduction of Triple Bonds

M. H.P.J. Aerssens Department of Preparative Organic Chemistry of the University, Debye Institute, Padualaan 8, 3584, CH, Utrecht, The Netherlands
,
R. van der Heiden Department of Preparative Organic Chemistry of the University, Debye Institute, Padualaan 8, 3584, CH, Utrecht, The Netherlands
,
M. Heus Department of Preparative Organic Chemistry of the University, Debye Institute, Padualaan 8, 3584, CH, Utrecht, The Netherlands
&
L. Brandsma Department of Preparative Organic Chemistry of the University, Debye Institute, Padualaan 8, 3584, CH, Utrecht, The Netherlands
Pages 3421-3425 | Received 29 Sep 1990, Published online: 24 Oct 2006
 
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Abstract

Regio-as well as stereospecific cis-reductions of a wide variety of acetylenic derivatives can be carried out in absolute ethanol with zinc powder activated with 1,2-dibromoethane and with zinc powder treated successively with dibromoethane and lithium bromocuprate, the first reagent being less powerful and more selective than the second one.

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