Զեկուցիր օբյեկտի հետ կապված խնդիրը: Alkylation of imidazole with dichloroethane and dehydrochlorination of the in-situ obtained 1-(2'-chloroethyl)imidazole to 1-vinylimidazole in an aqueous alkaline medium in the N-methylmorpholine N-oxide system using phase transfer catalyst