Previously unknown 1,2,4,3,5-benzotrithiadiazepine 1 was
prepared by 1∶1 condensation of
Ph-NSN-SiMe3 with S2Cl2
followed by intramolecular ortho-cyclization of
[Ph-NSN-S-S-Cl] intermediate, and hydrolyzed in pyridine to
unusual macrocyclic
7H,14H-dibenzo[d,i][1,2,6,7,3,8]tetrathiadiazecine 2.
以前未知的 1,2,4,3,5-苯并三
硫二氮杂卓 1 是
由1:1缩合而成
Ph-NSN-SiMe3 与 S2Cl2
然后进行分子内邻位环化
[Ph-NSN-S-S-Cl]中间体,在
吡啶中
水解成
异常大环
7H,14H-二苯并[d,i][1,2,6,7,3,8]四
硫二氮嗪2。