Synthesis of sceletium and amaryllidaceae alkaloids, (.+-.)-mesembrine and (.+-.)-dihydromaritidine, (.+-.)-epidihydromaritidine, (.+-.)-elwesine, and (.+-... The alkylation of 2-arylcyclohexanones (12b and 6) with alkyl halides or acrylonitrile and 50% aq. sodium hydroxide in th...
Ammonium and amine salts of acids having the formula ##STR1## wherein Ris a perfluoroalkyl group; Ris alkylene or substituted alkylene; X is --S--, --SO--, or --SO--; Ris hydrogen, alkyl, aryl, substituted aryl, --B--COOH or a --B--COO a... RA Falk,I Borsodi - US 被引...
The present invention relates to a method of synthesis of cyanides of acyl of formula: & lt; br / > (see appended drawing in bopi) & lt; br / > in which r denotes an alkyl, cycloalkyl, aryl or a heterocyclic, consisting in reacting the acid halides of formula: & lt; br / > ...
The carrier medium is preferably selected from esters of alkyl and aryl carboxylic acids, hydrogenated esters of aryl carboxylic acids, polyhydric alcohols, ether alcohols, 35 polyether polyols, ethers, saturated acyclic and cyclic hydrocarbons, mineral oils, mineral oil derivatives, silicone oils, aprot...