反应详情

In a similar manner, substituting 10,11-dihydrodibenzo[b,f]thiepin-3-carboxylic acid or dibenzo[b,f]thiepin-3-carboxylic acid for the carboxylic acid starting material employed in Step 1, there is obtained the corresponding 10,11-dihydrobibenzo[b,f]thiepin-3-(4-hydroxy-Δ3 -pyrrolin-3-yl-2,5-dione) or dibenzo[b,f]thiepin-3-(4-hydroxy-Δ3 -pyrrolin-3-yl-2,5-dione).