15904-30-0Relevant academic research and scientific papers
CATALYST AND METHOD FOR HYDROGENATION OF 1,3-CYCLOBUTANEDIKETONE COMPOUND
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Paragraph 0032, (2017/12/27)
Catalyst for hydrogenation of 1,3-cyclobutanediketone compound is provided, which includes a support and VIIIB group transition metal loaded thereon. The support includes a first oxide powder with a surface wrapped by a second oxide. The first oxide includes silicon oxide, aluminum oxide, zirconium oxide, titanium oxide, zinc oxide, or a combination thereof. The second oxide has a composition of MxAl(1-x)O(3-x)/2, M is alkaline earth metal, and x is from 0.3 to 0.7.
Diastereoselective formation of β-hydroxyketones by the reduction of Ketene dimers
Wei, Pei-Hsun,Gary, Melanie A.,Nalla, Divya,Harzmann, Gero D.,Ibrahim, Ahmad A.,Dayak, Kyle R.,Kerrigan, Nessan J.
supporting information, p. 932 - 935 (2013/03/13)
A general method for the diastereoselective formation of β-hydroxyketones by the reduction of ketene dimers was developed. The reduction of ketene homodimers, derived from alkylarylketenes and dimethylketene, and ketene heterodimers, derived from methylketene and ethylphenylketene or diphenylketene, was investigated. Methylphenylketene dimer was reduced with optimal diastereoselectivity (dr = 6:1) using LiBH4. However, more generally, LiAlH4 was found to be the most effective reducing system with respect to diastereoselectivity (dr up to >99:1) and yield (62->99% for 10 examples).
PROCESS FOR THE PREPARATION OF A TETRAALKYCYCLOBUTANE-1,3-DIOL USING A PROMOTED-COPPER CATALYST
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Page/Page column 16; 19, (2008/12/05)
The present disclosure relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a promoted copper-based catalyst.
PROCESS FOR THE PREPARATION OF A TETRAALKYLCYCLOBUTANE-1,3-DIOL USING AN IRIDIUM-PROMOTED COBALT-BASED CATALYST
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Page/Page column 10-11, (2008/12/05)
The present disclosure relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of a 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of an iridium-promoted cobalt-based catalyst.
PROCESS FOR THE PREPARATION OF A TETRAALKYLCYCLOBUTANE-1,3-DIOL USING A PROMOTED NICKEL-BASED CATALYST
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Page/Page column 10-11, (2008/12/05)
The present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of a 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a promoted nickel-based catalyst.
PROCESS FOR THE PREPARATION OF TETRAALKYLCYCLOBUTANE-1,3-DIOL IN THE PRESENCE OF A COBALT-BASED CATALYST
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Page/Page column 9-10, (2008/12/05)
The present invention relates to the production of 2,2,4,4-tetramethylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of 2,2,4,4-tetramethylcyclobutane-1,3-diol by hydrogenation of 2,2,4,4-tetramethylcyclobutane-1,3-dione in the presence of a cobalt-based catalyst.
PROCESS FOR THE PREPARATION OF A TETRAALKYLCYCLOBUTANE-1,3-DIOL USING AN RUTHENIUM-PROMOTED COBALT-BASED CATALYST
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Page/Page column 10-11, (2008/12/06)
The present disclosure relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol. In one embodiment, the present invention relates to the production of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol by hydrogenation of a 2,2,4,4-tetraalkylcyclobutane-1,3-dione in the presence of a ruthenium-promoted cobalt-based catalyst.
