56640-70-1Relevant academic research and scientific papers
METHOD FOR PREPARING ISOBUTENOL
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Paragraph 0076-0087; 0095-0096, (2021/06/15)
The present invention provides a method for manufacturing isobutenol comprising a step of selectively hydrogenating methacrolein in the presence of an additive. A manufacturing method according to the present invention can increase the selectivity of isobutenol. In the manufacturing method according to an exemplary embodiment of the present invention, the additive represented by the chemical formula 1 is added to provide isobutenol with high selectivity, and the selective hydrogenation reaction is predominant, so that the amount of a catalyst can be reduced.
METHOD FOR PREPARING ISOBUTENOL
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Paragraph 0070-0071; 0078-0079; 0083, (2021/06/15)
The present invention provides a method for preparing isobutanol, which comprises a step of selectively hydrogenating methacrolein in the presence of a catalyst and additives. The preparation method according to the present invention can increase the selectivity of the isobutanol.
METHOD FOR PREPARING ISOBUTENOL
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Paragraph 0052-0053; 0068-0069, (2021/06/15)
The present invention provides a method for preparing isobutanol, which comprises a step of selectively hydrogenating methacrolein in the presence of a pincer ligand catalyst. The preparation method according to the present invention can increase the selectivity of the isobutanol.
Generation of Simple Enols in Non-aqueous Solution by Fast Double-bond Migration of Allylic Alcohols with Rhodium(I) and Iridium(I) Complexes
Chin, Chong Shik,Lee, Byeongno,Kim, Sangtae,Chun, Jongpil
, p. 443 - 448 (2007/10/02)
The complexes ClO4 1 and ClO4 2 (cod = cycloocta-1,5-diene), rapidly catalyse the double-bond migration of 2-ethylprop-2-en-1-ol 3 and prop-2-en-1-ol 4, respectively to generate a significant amount of the enols 2-methylbut-1-en-1-ol 5 and prop-1-en-1-ol 6 in the absence of a solvent and in CD3COCD3.Both enols 5 and 6 are quite stable and slowly undergo ketonization to the corresponding carbonyl compounds at room temperature in the absence of a solvent and in aprotic solvents.Detailed 1H NMR spectral data at 300 MHz suggest that two isomers (Z and E) of the compound 5 are simultaneously produced in the reaction of 3 and 1, the ratio of the isomers (major : minor) being ca. 6-9:1.Reaction of compound 4 with 2 also generates the Z (major) and E isomers (minor) of 6.The Z isomer initially generated rapidly undergoes isomerization to give the E isomer in the presence of 2, while both the Z and E isomers relatively slowly undergo ketonization.Additional 1H and 13C NMR and infrared spectral data for Me2C=CHOD and Me2CDCHO are reported with some experimental details.
