1,3,5-Trichloro-2,4,6-Triazinetrion: A Versatile Heterocycle for the One-Pot Synthesis of 14-Aryl- or Alkyl -14H-Dibenzo[a,j]xanthene, 1,8-Dioxooctahydroxanthene and 12-Aryl-8,9,10,12-Tetrahydrobenzo[a]xanthene-11-one Derivatives under Solvent-Free Conditions
作者:Behrooz Maleki、Mostafa Gholizadeh、Zeinalabedin Sepehr
DOI:10.5012/bkcs.2011.32.5.1697
日期:2011.5.20
A facile, green, efficient and environment-friendly protocol for the synthesis of 14-aryl- or alkyl-14Hdibenzo[a,j]xanthene, 1,8-dioxooctahydroxanthene and 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthene-11-one have been developed by one-pot condensation of various aldehydes with (i) -naphthol (ii) cyclic 1,3-dicarbonyl compounds and (iii) -naphthol and cyclic 1,3-dicarbonyl compounds, in the presence
一种简便、绿色、高效、环保的14-芳基-或烷基-14H二苯并[a,j]呫吨、1,8-二氧代八羟基呫吨和12-芳基-8,9,10,12-四氢苯并[a,j]xanthene的合成方法a]xanthene-11-one 已通过各种醛与 (i)-萘酚 (ii) 环状 1,3-二羰基化合物和 (iii)-萘酚和环状 1,3-二羰基化合物的一锅缩合开发,在在无溶剂条件下作为催化剂存在 1,3,5-trichloro-2,4,6-triazinetrion (trichloroisocyanuric acid, TCCA)。本方法具有反应清洁、方法简单、反应时间短、易于纯化和催化剂经济实用等优点。