The synthesis of 3-hydroxymethyldibenzo[<i>b,f</i>]thiepin 5,5-dioxide, a prostaglandin antagonist
作者:David Hands、Hugh Marley、Stephen J. Skittrall、Stanley H. B. Wright、Thomas R. Verhoeven
DOI:10.1002/jhet.5570230513
日期:1986.9
An economic synthesis of 3-hydroxymethyldibenzo[b,f]thiepin 5,5-dioxide, a novel prostaglandin antagonist, is described. The key step in the synthesis is the formation of a carboxyphenylacetic acid by carboxylation of a toluic acid dianion, followed by cyclisation to the tricyclic ketone. Readily available starting materials are used in the synthesis and conditions have been found at each stage to
描述了一种新型的前列腺素拮抗剂3-羟甲基二苯并[ b,f ] thiepin 5,5-dioxide的经济合成。合成中的关键步骤是通过甲苯甲酸二阴离子的羧化形成羧基苯基乙酸,然后环化成三环酮。合成中使用了容易获得的起始原料,并且在每个阶段都发现了条件,可以高纯度得到纯净的中间体,几乎不需要纯化。