Preparation of carboxylic acid-ketone mixture from certain olefin mixturesdoi:US3414518 AMichael, DubeckMitchell, Lawrence CUS
carboxylic acids, said process comprising the step of contacting at least one carboxylic acid with a catalyst composition comprising zirconium dioxide, titanium dioxide, and at least one metal oxide from Group 1 or 2 of the Periodic Table of Elements at conditions effective to produce a ketone. ...
This preparative route is the method of choice for direct conversion of carboxylic acid to ketones. It is the p... MJ Jorgenson - 《Organic Reactions》 被引量: 0发表: 2011年 Process for the preparation of ketones A process for the preparation of a ketone which comprises reacting the ...
A Convenient Method for the Preparation of Ketones by the Reaction of Grignard Reagents with Carboxylic Acid Derivatives Die Grignard-Reaktion der Thioate (I) mit (II) liefert die Ketone (III). M Araki,S Sakata,H Takei,... - 《Cheminform》 被引量: 160发表: 1974年 Reaction of S-(2-...
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et al. The uncommon reactivity of dihapto-coordinated nitrile, ketone, and alkene ligands when bound to a powerful π-base. Organometallics 25, 5051–5058 (2006). Article CAS Google Scholar Arashiba, K. et al. Electrophilic O-methylation of a terminal nitrosyl ligand attained by an early...
PURPOSE:To prepare a ketone useful as a general-purpose solvent for rubbers, plastics, paints, etc., economically, in an industrial scale, by using zirconium oxide as the catalyst for the catalytic vapor-phase reaction to produce 1 molecule of a ketone from 2 molecules of a carboxylic acid....
(–COOH) or carbonyl groups in ketone, aldehyde, lactone, and carboxyl groups are found at 1730.28 cm−1. The vibrations corresponding to ν–C=C– of aromatic rings are found at 1593.21 cm−1. The vibrations ν–C=C corresponding to other carbon–carbon unsaturated bonds are found at ...
Generally, the 4 of 2 aims of these strategies embody in two aspects—the improvement of acid resistance of the prepared PA membranes and the enhancement of the permselectivity performance of the phryesdernotlayczided-repsirsotadnutcmtse,msubrcahneass. carboxylic acid and sulfonic acid from ...
A composite NF membrane with phenolphthalein poly(ether ether ketone)(PEK-C) UF membrane as base membrane and sulfonated phenolphthalein poly(ether ketone)(SPEK-C) as coating layer material was prepared.The effect of the preparation conditions,including SPED-C content,sulfonation degree,curing temperat...