Results 41 to 50 of about 4,197,741 (336)

Thioether-catalysed tandem synthesis of furans and cyclic ethers or lactones [PDF]

, 2017
Acyclic conjugated ynenediones tethered to an alcohol or carboxylic acid are converted into furanyl-substituted cyclic ethers or lactones in a single step by treatment with the tetrahydrothiophene.
Clark, J. Stephen, Klaus, Verena
core   +1 more source

Selective oxidation of some primary and secondary benzylic alcohols to the corresponding carbonyl compounds with a Cu(III) complex [PDF]

Journal of the Serbian Chemical Society, 2005
The selective oxidation of benzylic alcohols to the corresponding carbonyl compounds is described. In alkaline solution, the oxidation reagent potassium tetrasodium diperiodatocuprate(III) dodecahydrate (KNa4[Cu(HIO6)2]×12H2O) reacts with primary and ...
VLADAN KOSTIC, SLOBODAN NOVOKMET, ZORICA BUGARCIC   +2 more
doaj   +3 more sources

SYNTHESIS OF SECONDARY ALCOHOL COMPOUNDS FROM SAFROLE AND METHYLEUGENOL

Indonesian Journal of Chemistry, 2010
Synthesis of secondary alcohols compound from safrole and methyleugenol has been achieved through conversion of allyl group to alcohol.The reaction of safrole and methyleugenol with mercuric acetate in aqueous tetrahydrofuran, followed by in situ ...
Hanoch J Sohilait, Hardjono Sastrohamidjojo, Sabirin Matsjeh   +2 more
doaj   +1 more source

Biocatalysis as Useful Tool in Asymmetric Synthesis: An Assessment of Recently Granted Patents (2014–2019) [PDF]

, 2019
The broad interdisciplinary nature of biocatalysis fosters innovation, as different technical fields are interconnected and synergized. A way to depict that innovation is by conducting a survey on patent activities.
Alcántara, Andrés R., Domínguez de María, Pablo, Gonzalo Calvo, Gonzalo de   +2 more
core   +3 more sources

A comparative LFER study of the reactivity of pyridineacetic, pyridineacetic acids N-oxide and substituted phenylacetic acids with diazodiphenylmethane in various alcohols [PDF]

Journal of the Serbian Chemical Society, 2000
Rate constants have been determined for the reactions of diazodiphenylmethane (DDM) with 3- and 4-pyridineacetic acid, 3- and 4-pyridineacetic acid N-oxide and some meta- and para-substituted phenylacetic acids in twelve alcohols. The determined
Drmanić Saša Z., Jovanović Bratislav Ž., Mišić-Vuković Milica M.   +2 more
doaj   +3 more sources

Cobalt-catalyzed peri-selective alkoxylation of 1-naphthylamine derivatives

Beilstein Journal of Organic Chemistry, 2018
A cobalt-catalyzed C(sp2)–H alkoxylation of 1-naphthylamine derivatives has been disclosed, which represents an efficient approach to synthesize aryl ethers with broad functional group tolerance.
Jiao-Na Han, Cong Du, Xinju Zhu, Zheng-Long Wang, Yue Zhu, Zhao-Yang Chu, Jun-Long Niu, Mao-Ping Song   +7 more
doaj   +1 more source

Application of secondary atmospheric distillation technology in reducing the content of higher alcohols in original liquor of strong-flavor Baijiu [PDF]

Zhongguo niangzao
In order to reduce the higher alcohols content in original liquor of strong-flavor (Nongxiangxing) Baijiu, secondary atmospheric distillation of original liquor of strong-flavor Baijiu was carried out by tower distillation equipment, the effects of ...
GUO Taohong, DONG Yun, ZHANG Juan, JIA Xiaolong, ZHANG Zhiliang
doaj   +1 more source

Ruthenacycles and Iridacycles as Catalysts for Asymmetric Transfer Hydrogenation and Racemisation [PDF]

, 2010
Ruthenacycles, which are easily prepared in a single step by reaction between enantiopure aromatic amines and [Ru(arene)Cl2]2 in the presence of NaOH and KPF6, are very good asymmetric transfer hydrogenation catalysts.
A Träff, Adeline Voelklin, Adriaan J. Minnaard, AJ Blacker, AJ Minnaard, ALE Larsson, Alexandre Holuigue, Arnaud J. A. Gayet, B Martín-Matute, Ben L. Feringa, Chiara Tarabiono, DB Janssen, Dick B. Janssen, EJ Vries de, Florian Berthiol, Gerard Verzijl, GKM Verzijl, J-B Sortais, JAF Boogers, JB Sortais, JB Sortais, JH Choi, Johannes G. de Vries, K-J Haack, L Lefort, Laurent Lefort, Michel Pfeffer, N Pannetier, Nicolas Pannetier, PM Dinh, R Noyori, RM Haak, RM Jong de, Robert Haak, S Fernandez, S Fetzner, S Gladiali, T Ikariya, T Jerphagnon, Thomas Jerphagnon, V Ritleng, Vincent Ritleng, Y Blum, Y Blum, Y Shvo   +44 more
core   +6 more sources

An Efficient and Selective Solvent-free Oxidation of Alcohols by Shaking with Chromium Trioxide Supported on Aluminium Silicate

Molecules, 2005
A selective oxidation of primary alcohols to the corresponding aldehydes by shaking with chromium trioxide supported on aluminium silicate at room temperature under solvent free conditions is reported.
Y. Fu, L. Ping, L. Zhu, J. Lou, L. Huang
doaj   +1 more source

OXIDATION OF BENZYLIC SECONDARY ALCOHOL WITH PYRIDINIUM CHLOROCHROMATE-ALUMINA (PCC-Al₂O₃)

Indonesian Journal of Chemistry, 2010
In these studies, Pyridinium chlorochromate-Alumina was used for oxidation of secondary alcohols (safryl alcohol and methyleugenyl alcohol) to ketone.  The oxidation of safryl alcohol with PCC-Al2O3 followed by purification by potassium bisulfite yields ...
Hanoch J. Sohilait
doaj   +1 more source