1674-37-9Relevant articles and documents
A new synthetic protocol for the direct preparation of organomanganese reagents; organomanganese tosylates and mesylates
Kim, Seung-Hoi,Rieke, Reuben D.
, p. 4931 - 4934 (1999)
A new synthetic route to organomanganese sulfonate reagents has been developed. These useful reagents can be readily prepared via direct oxidative addition of highly reactive manganese to carbon-oxygen bonds of the corresponding tosylates and mesylates under mild conditions.
Highly selective aerobic oxidation of alkyl arenes and alcohols: Cobalt supported on natural hydroxyapatite nanocrystals
Shaabani, Ahmad,Shaabani, Shabnam,Afaridoun, Hadi
, p. 48396 - 48404 (2016)
Cobalt was successfully immobilized on natural hydroxyapatite nanocrystals which were obtained from cow bones (Co-NHAp). The chemical, structural, and electronic properties of this nanobiocatalyst were investigated using flame atomic absorption spectroscopy (FAAS), Fourier transform infrared (FT-IR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS) analysis. Natural hydroxyapatite (NHAp) as the support enhanced both catalytic activity and selectivity in the liquid phase aerobic oxidation of alkyl arenes and alcohols to their corresponding carbonyl compounds. The use of air as an inexpensive oxidant, the recyclability of the Co-NHAp nanobiocatalyst without significant decrease in its catalytic activity and easy workup are some advantages of this work.
TiCl4-catalyzed indirect anti-Markovnikov hydration of alkynes: Application to the synthesis of benzo[b]furans
Ackermann, Lutz,Kaspar, Ludwig T.
, p. 6149 - 6153 (2007)
(Chemical Equation Presented) An efficient methodology for the indirect anti-Markovnikov hydration of unsymmetrically substituted terminal and internal alkynes is based on TiCl4-catalyzed hydroamination reactions. Its application to ortho-alkynylhaloarenes, followed by a copper-catalyzed O-arylation, provides flexible access to substituted benzo[b]furans.
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Suzuki et al.
, p. 2195 (1975)
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Ir(NHC)-Catalyzed Synthesis of β-Alkylated Alcohols via Borrowing Hydrogen Strategy: Influence of Bimetallic Structure
Sung, Kihyuk,Lee, Mi-hyun,Cheong, Yeon-Joo,Kim, Yu Kwon,Yu, Sungju,Jang, Hye-Young
supporting information, p. 3090 - 3097 (2021/05/10)
Multi N-heterocyclic carbene(NHC)-modified iridium catalysts were employed in the β-alkylation of alcohols; dimerization of primary alcohols (Guerbet reaction), cross-coupling of secondary and primary alcohols, and intramolecular cyclization of alcohols. Mechanistic studies of Guerbet reaction, including kinetic experiments, mass analysis, and density functional theory (DFT) calculation, were employed to explain the fast reaction promoted by bimetallic catalysts, and the dramatic reactivity increase of monometallic catalysts at the late stage of the reaction. (Figure presented.).
METHOD FOR CONVERTING HYDROXYL GROUP OF ALCOHOL
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Paragraph 0362-0364, (2021/02/19)
The present invention relates to: a method for converting a hydroxyl group of an alcohol; and a catalyst which makes the method possible. A method for converting a hydroxyl group of an alcohol according to the present invention is characterized by producing a compound represented by CH(R1)(R2)Nu (wherein R1, R2 and Nu are as defined below) by reacting an alcohol represented by CH(R1)(R2)OH (wherein each of R1 and R2 represents a hydrogen atom, an optionally substituted alkyl group, or the like) and a compound having an active proton, which is represented by H-Nu (wherein Nu represents a group represented by —CHX1-EWG1 or —NR3R4; X1 represents a hydrogen atom or the like; EWG1 represents an electron-withdrawing group; and each of R3 and R4 represents a hydrogen atom, an optionally substituted alkyl group, or the like), with each other in the presence of a complex of a group 7-11 metal of the periodic table and at least one solid base that is selected from the group consisting of layered double hydroxides, composite oxides and calcium hydroxide.
