138653-55-1Relevant articles and documents
Novel method for synthesis of aryl hydrazones from α-diazo esters: scope and limitations of nucleophiles
Yasui, Eiko,Wada, Masao,Takamura, Norio
experimental part, p. 461 - 468 (2009/04/06)
Aryl hydrazones, the precursor of Fischer indole synthesis, were easily obtained by nucleophilic addition of aryllithium reagents to diazo esters. The aryl hydrazones were converted into indoles in good yields by heating with thionyl chloride in alcohol.