N-bromobutanimide → HCID 21191828, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 30 g (0.155 mol) of methyl N-ethyl-N-(o-methylphenyl)-carbamate (Example 1b), 33 g (0.185 mol) of N-bromosuccinimide and 0.1 g of azoisobutyronitrile in 300 ml of carbon tetrachloride is exposed to a 300 W UV lamp for 6 hours. During this procedure, the contents of the flask heat up to about 70° C. Thereafter, the reaction mixture is washed four times with water, dried and evaporated down. The residue obtained comprises 41 g of a brown oil which contains the title compound in about 50% purity and is used without further purification in the next reaction.

Provenance & Evidence