where R1 and R2 are the same as above and treating this compound with dilute acid. The bis - [6 - methyl - pyridyl - (3) - methyl] disulphides of the fourth formula above are claimed per se and are also obtainable by the reaction of a compound of the formula where X is chlorine...
Consists in the dehydration reaction of a compound of formula (ii), in which X (and are the same as in formula (i) and R5 is Hydrogen, Methyl or a removable Protecting Group.Dehydration can be carried out by heating in the presence of an Acid, such as sulfuric acid, hydrochloric acid...
Consists on making a 3 - (3 - bromopropil) - 2-methyl indole with a 4 - (4-fluorobenzoyl) - piperidine to obtain the compound of General formula (i) or its acid Addition Salts.The reaction takes place in the presence of an organic Solvent at a temperature of approximately 20 to the...