Réaction #339149
ord-a9f876640ffa49dfa34cdb0a78bcc723
Équation de réaction
2-amino-5-chloro-3-methylbenzoic acid
4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid
2-amino-3,5-dibromobenzoic acid
4-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid
→
6,8-dibromo-2-[4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrol-2-yl]-4H-3,1-benzoxazine-4-one
Réactifs
Réactifs
Aucun
Conditions de réaction
Conditions détaillées
See reaction.notes.procedure_details.
Mode opératoire
According to the same manner as that of Reference Preparation Example 71-(5), 4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid and 2-amino-3,5-dibromobenzoic acid were used in place of 4-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid and 2-amino-5-chloro-3-methylbenzoic acid respectively to obtain 6,8-dibromo-2-[4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrol-2-yl]-4H-3,1-benzoxazine-4-one of the formula: