Synthesis of Carbazoles fromO-Cyclohex-2-enyl-anilines.#
摘要:
Several carbazoles (4a-f) have been synthesised from o-cyclohex-2-enylanilines by treatment with pyridine hydrotribromide in methylene chloride at 0-5 degrees C for 2 h followed by refluxing with Pd-C in diphenyl ether for 1 h.