A Simple Conversion of Thiazolo- and [1,3]Thiazino[2,3-b]quinazolinones and Analogous Fused Thieno[2,3-d]pyrimidinones into Heterocyclic Substituted Alkyl Disulfides
作者:Michael Gütschow、Siegfried Leistner
DOI:10.1055/s-1995-4133
日期:1995.12
A facile conversion of 5H-thiazolo[2,3-b]quinazoline-5-one (1a), 2H,6H-3,4-dihydro[1,3]thiazino[2,3-b]quinazolin-6-one (1b), as well as analogous fused thieno[2,3-d]pyrimidinones 2a, b into heterocyclic substituted alkyl disulfides 3a-d, 4a-d is reported. The conversion was performed by ring cleavage with sodium methoxide or sodium ethoxide followed by intermolecular oxidative trapping.
5H-噻唑并[2,3-b]喹唑啉-5-酮(1a)、2H,6H-3,4-二氢[1,3]噻嗪[2,3-b]喹唑啉-6-酮的轻松转化(1b),以及类似的稠合噻吩并[2,3-d]嘧啶酮2a、b形成杂环取代的烷基二硫化物3a-d、4a-d。通过用甲醇钠或乙醇钠进行环裂解,然后进行分子间氧化捕获来进行转化。