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provide n alkanes

in Here is your first Forum Thu Jan 22, 2015 8:58 am
by linyong04 • 6 Posts

<P>The hydrodeoxygenation of bioderived furans into alkanes</P><P></P><P>The conversion of biomass into fuels and chemical feedstocks is one part of a drive to reduce the world dependence on crude oil. For transportation fuels in particular, wholesale replacement of a fuel is logistically problematic, not least because of the infrastructure that is already in place. Here, we describe the catalytic defunctionalization of a series of biomass derived molecules to provide linear alkanes suitable for use as transportation fuels. These biomass derived molecules contain a variety of functional groups, including olefins, furan rings and carbonyl groups. We describe the christian louboutin replica removal of these in either a stepwise process or a one pot process using common reagents and catalysts under mild reaction conditions to provide n alkanes in good yields and with high selectivities. Our general synthetic approach is applicable to a range of precursors with different carbon content (chain length). This allows the selective generation of linear alkanes with carbon chain lengths between eight and sixteen carbons.</P><P></P><P>Corrected online 26 April 2013</P><P></P><P>In cheap red bottom shoes the red bottom shoes cheap version of this Article originally published, the reaction conditions given in Figure 3 for conversion of compound 2 to compound 4 were incorrect, and should have been stated as acid/H2O, 100 3 h this has now been corrected in the HTML and PDF versions of this Article. In of A into 2,5,8 nonanetrione 4 ". solvent removed in vacuo to yield 3." should have read ". solvent removed in vacuo to yield 4.". In of B into 2,5,8 nonanetrione 4 ". solvent removed in vacuo to yield 3." should have read ". solvent removed in vacuo to yield 4.". These errors have been corrected in the louboutin shoes replica HTML and PDF versions of the Article.</P>

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