作者:Alaa A. Hassan、Dietrich Döupp
DOI:10.1002/jhet.5570430311
日期:2006.5
8-amino-3,4,5,6-tetrahydro-1,3,7-thiadiazocine-2-thiones 10a-c, thermolysis of 1,4-butanediyl-bisthioureas 6a-c and 1,6-hexanediyl-bisthioureas 7a-c under the same conditions gave solely 9-amino-4,5,6,7-tetrahydro-1,3,8-thiadiazonine-2-thiones 11a-c and 11-amino-1-thia-3,10-diazacycloundec-10-ene-2-thiones 12a-c, respectively. Symmetric N,N′-diorganylthioureas 4a-c were formed in all cases as minor byproducts
已经发现标题化合物的微波辅助的或常规的分子内热杂环的过程取决于链烷二基链的长度。1,3-丙二基-双硫脲5a-c生成了2-thioxoperhydropyrimidine-1-carbothioamides 8a-c和8-amino-3,4,5,6-tetrahydro-1,3,7-thiadiazocine-2-thiones 10a -c,在相同条件下热解1,4-丁二基-双硫脲6a-c和1,6-己二基-双硫脲7a-c仅得到9-氨基-4,5,6,7-四氢-1,3,分别为8-噻二唑啉-2-硫酮11a-c和11-氨基-1-硫杂-3,10-二氮杂环十一碳烯10-烯-2-硫酮12a-c。对称N,N在所有情况下均以次要副产物的形式形成了'-二有机基硫脲4a-c。