作者:Y. B. Vol'eva、I. S. Belostotskaya、N. L. Komissarova、V. V. Ershov
DOI:10.1007/bf01431636
日期:1996.5
The solid-Phase bromination of a series oftert-butyl-substituted phenols withN-bromosuccinimide and dioxane dibromide afforded halogenated cyclohexadienones, quinobromides. Under the extrusion conditions, the latter underwent further transformations, mainly, debromination. A new reaction, dioxane dibromide catalyzed anhydroheterocyclization of 2,2′-dihydroxy-3,3′,5,5′-tetra-tert-butyldiphenyl to 2
一系列叔丁基取代的苯酚与 N-溴代琥珀酰亚胺和二恶烷二溴化物的固相溴化得到卤代环己二烯酮,喹溴化物。在挤压条件下,后者经历了进一步的转变,主要是脱溴。发现了一个新的反应,即二溴化二恶烷催化 2,2'-二羟基-3,3',5,5'-四叔丁基二苯基脱水杂环化生成 2,4,6,8-四叔丁基二苯并呋喃,并且提出了该反应的机理。