[1]Synthesis,1992,p.46-48
[1]TetrahedronLetters,1988,vol.29,p.2483-2486
[1]AustralianJournalofChemistry,1984,vol.37,p.1571-1578
[1]ElAlami;Belaud;Villieras[Synthesis,1993,#12,p.1213-1214]
[1]Steger,Matthias;Young,DouglasW.[Tetrahedron,1999,vol.55,#25,p.7935-7956]