Method of synthesizing higher-molecular alcohol

Details Method of synthesizing higher-molecular alcohol Method of synthesizing higher-molecular alcohol

C - Chemistry, Metallurgy

07

C

C07C 29/34 (2006.01) C07C 31/12 (2006.01)

Patent

CA 2589125

The present invention provides a production method with which polymeric alcohols having an even number of carbon atoms such as 1-butanol, hexanol, octanol and decanol, and a mixture of these are efficiently collected through clean processes with the use of ethanol as a raw material. By using calcium phosphate-based compounds such as hydroxyapatite Ca10 (PO4) 6(OH) 2, tricalcium phosphate Ca3 (PO4) 2, calcium monohydrogen phosphate CaHPO4 .cndot.( 0~2 )H2O, calcium diphosphate Ca2P2O7, octacalcium phosphate Ca8H2 (PO4) 6- 5H2O, tetracalcium phosphate Ca4 (PO4) 2O and amorphous calcium phosphate Ca3 (PO4) 2 .cndot. nH2O, preferably hydroxyapatite, as a catalyst, using ethanol as a starting material, and setting a contact time at 0.4 second or longer, polymeric alcohols are produced from ethanol.

L'invention concerne un procédé propre servant à produire, à partir d'éthanol servant de matière première, des alcools de poids moléculaire plus élevé ayant un nombre pair d'atomes de carbone, tels que le 1-butanol, l'hexanol, l'octanol et le décanol et des mélanges de ceux-ci. Les alcools de poids moléculaire plus élevé sont produits à partir d'éthanol servant de matière de départ à l'aide d'un composé de phosphate de calcium, par exemple l'hydroxyapatite Ca10(PO4)6(OH)2, le phosphate tricalcique Ca3(PO4)2, le monohydrogénophosphate de calcium CaHPO4·(0-2)H2O, le diphosphate de calcium Ca2P2O7, le phosphate octacalcique Ca8H2(PO4)6·5H2O, le phosphate tétracalcique Ca4(PO4)2O ou le phosphate de calcium amorphe Ca3(PO4)2·nH2O, de préférence l'hydroxyapatite, servant de catalyseur, le temps de contact étant supérieur ou égal à 0,4 seconde.

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