反应详情

are obtained as a mixture during the reaction of a mixture of 6-nitro-benzo[b]-thiophene-3-carboxylic acid and 5-nitro-benzo[b]thiophene-3-carboxylic acid (Example XLV). The crude product is chromatographed on silica gel, while the two products are obtained as a mixture and further reacted directly in Example XII (30).

1. customThe crude product is chromatographed on silica gel, while the two products
2. customare obtained as a mixture