Methyl iodide → 2-(2-Ethyl-3-methyl-4-trifluoromethyl-phenyl)-3,4,4-trimethyl-4,5-dihydro-oxazol-3-ium iodide

Participants

Reaction Conditions

Reaction Steps

To a solution of 837 mg (2.9 mmol) 2-(2-ethyl-3-methyl-4-trifluoromethyl-phenyl)-4,4-dimethyl-4,5-dihydro-oxazole in 8 ml nitromethane were added 1.47 ml (23.5 mmol) methyl iodide and the mixture heated in a sealed tube to 70° C. for 18 h. The brown solution was diluted with tert-butyl methyl ether, the suspension filtered and the precipitate washed with tert-butyl methyl ether and dried. 2-(2-Ethyl-3-methyl-4-trifluoromethyl-phenyl)-3,4,4-trimethyl-4,5-dihydro-oxazol-3-ium iodide was obtained as colourless solid: MS (ISP): 300.1 (M+.).

Provenance & Evidence