Palladium-catalysed spirocyclisation of 3-acetoxy-1-(4-aminoalkyl)-cyclohexenes. Synthesis of (±)-depentylperhydrohistronicotoxin
作者:William Carruthers、S. Andrew Cumming
DOI:10.1039/c39830000360
日期:——
Palladium(0)-catalysed cyclisation of 3-acetoxy-1-(4-aminoalkyl)cyclohexenes provides easy access to the 1-azaspiro[5.5]undecane ring system found in the histrionicotoxins; this has been exploited in a synthesis of (±)-depentylperhydrohistrionicotoxin.