نتایج جستجو برای: primary alcohols

تعداد نتایج: 652515  

Journal: :Bulletin of the Chemical Society of Japan 1991

Journal: :Dalton Transactions 2021

NHC-Pd-PEPPSI-catalyzed α-alkylation of ketones with primary alcohols and tandem Suzuki–Miyaura-coupling/α-alkylation reactions under borrowing hydrogen conditions were reported.

2015
Mathias Pickl Michael Fuchs Silvia M Glueck Kurt Faber

Amination of non-activated aliphatic fatty alcohols to the corresponding primary amines was achieved through a five-enzyme cascade reaction by coupling a long-chain alcohol oxidase from Aspergillus fumigatus (LCAO_Af) with a ω-transaminase from Chromobacterium violaceum (ω-TA_Cv). The alcohol was oxidized at the expense of molecular oxygen to yield the corresponding aldehyde, which was subseque...

Journal: :Dalton transactions 2015
Jagadeesh Malineni Helmut Keul Martin Möller

In this work, we present a new catalytic system for the selective dehydrogenative oxidation of primary alcohols to carboxylic acids using a phosphine-free NHC-ruthenium catalyst in water under mild reaction conditions. With this catalytic system, a variety of primary alcohols have been converted to carboxylic acids respectively, in aqueous media, without using any additional oxidant; the only s...

Journal: :Chemical communications 2012
Christophe Berini Oscar Navarro

The use of in situ generated (NHC)-Ni catalytic species (NHC = N-heterocyclic carbene) allows for the synthesis, in short reaction times, of a variety of tertiary alcohols from secondary alcohols through a domino oxidation-addition protocol.

Journal: :ACS Catalysis 2023

Ethanol is one of the most promising renewable resources for producing key industrial commodities. Herein, we present direct conversion ethanol to either primary or secondary alcohols, hydrocarbons, using ruthenium PNP pincer complexes [(RPNP)RuHXCO] (R = iPr, Ph, Cy, tBu; X Cl, H–BH3) as catalysts. Using phenyl-substituted phosphines leads selective production alcohols over alcohols. Hence, em...

Journal: :physical chemistry research 2016
forough kalantari fotooh maryam baharizadeh

oniom calculation is carried out to estimate the acidity of five aliphatic alcohols before and after adsorbing on the tip of (8,0) single-walled carbon nanotube. the oniom method is performed using a combination of density functional theory and am1 semiemperical method for alcohols and their corresponding conjugated bases. deprotonation gibbs free energies of alcohols are calculated and compare...

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