INTERACTION OF 2,4,6-TRINITROTOLUENE AND ITS ANALOGUES WITH ALDEHYDES. SYNTHESIS OF BENZOANNELATED HETEROCYCLES FROM THE PRODUCTS OF CONDENSATION
作者:Vladimir V. Rozhkov、Alexander M. Kuvshinov、Svyatoslav A. Shevelev
DOI:10.1081/scc-120003645
日期:2002.1
ABSTRACT 2,4,6-Trinitrotoluene (TNT) and its sulfonyl analogue 2-isobutylsulphonyl-4,6-dinitrotoluene undergo smooth condensation with chloral and fluoral to give 2-R-4,6-dinitrophenyl-1-(trihalomethyl)ethanols which easily cyclize to give 4-R-6-nitro-2-trihalomethyl-2,3-dihydrobenzo[b]furans (R=NO2, i-Bu; halogen = F or Cl) in the presence of K2CO3. 2-R′-sulphonyl-4,6-dinitrotoluenes, prepared from
摘要 2,4,6-三硝基甲苯(TNT)及其磺酰基类似物2-异丁基磺酰基-4,6-二硝基甲苯与氯醛和氟醛顺利缩合得到2-R-4,6-二硝基苯基-1-(三卤甲基)乙醇在 K2CO3 存在下容易环化得到 4-R-6-硝基-2-三卤甲基-2,3-二氢苯并[b]呋喃(R=NO2,i-Bu;卤素=F 或 Cl)。由 TNT 制备的 2-R'-磺酰基-4,6-二硝基甲苯与芳香醛缩合形成 1-(2-R'-磺酰基-4,6-二硝基)-2-芳基乙烯,其中邻硝基,在与 NaN3 相互作用后被叠氮基选择性取代。所得叠氮化物的热解得到2-芳基-4-R'-磺酰基-6-硝基吲哚(R' = Ph、i-Bu、PhCH2)。这种 N-甲基化吲哚(R' = i-Bu)被区域选择性胺化。