反应详情

Mix 2.8 gm. of dibenzo[b,f]thiepin-3-carboxylic acid-5,5-dioxide, 50 ml. of tetrahydrofuran, and 30 ml. of 1 N diborane in tetrahydrofuran. Stir at room temperature for 1 hour. Dilute the reaction mixture with water, and extract into ether. Evaporate the ether extract to dryness. Stir the residue in ether, and filter to obtain the title product (m.p., 156°-158° C.).

1. additionMix 2.8 gm
2. extractionextract into ether
3. customEvaporate the ether
4. extractionextract to dryness
5. stirringStir the residue in ether
6. filtrationfilter