74744-34-6Relevant academic research and scientific papers
A new catalytic route to borylgermyl-substituted buta-1,3-dienes
Pyziak, Jadwiga,Walkowiak, J?drzej,Hoffmann, Marcin,Marciniec, Bogdan
, p. 96 - 103 (2015)
The [Ru(CO)ClH(PCy3)2] catalyzed reaction of terminal germyl-substituted alkynes with vinylboronates gives borylgermyl-substituted buta-1,3-dienes as products with high stereo- and regioselectivity. The process that proceeds via direct activation of the Csp-H bond in the germylalkyne, is a very effective and easy tool for the synthesis of unique borylgermylated alkynes. Eight new compounds were synthesized and fully characterized spectrally. We also determined the mechanism of the process on the basis of stoichiometric reactions, kinetic measurements and DFT calculations.
Regio- and Stereo-specific Reduction of Conjugated and Non-conjugated Triple Bonds by Activated Zinc Powder
Aerssens, Marc H. P. J.,Brandsma, Lambert
, p. 735 - 736 (2007/10/02)
Regio- as well as stereo-specific reductions of a wide variety of acetylenic derivatives have been carried out in absolute ethanol with zinc powder activated with 1,2-dibromoethane, and with zinc powder activated successively with dibromoethane and copper(I) bromide, the first reagent being less powerful and more selective than the second one.
