5-nitro-2-thienylvinylation. Nucleophilic substitution on 2-(2-bromovinyl)-5-nitrothiophene, new one-step method for preparation of new biologically active ethylenic derivatives of 5-nitro--2-thiophene
5-nitro-2-thienylvinylation. Nucleophilic substitution on 2-(2-bromovinyl)-5-nitrothiophene, new one-step method for preparation of new biologically active ethylenic derivatives of 5-nitro--2-thiophene