[1]JournalofOrganicChemistry,1987,vol.52,p.2361-2364
[2]JournalofOrganicChemistry,2003,vol.68,p.2979-2982
[1]JournalofOrganicChemistry,2003,vol.68,p.2979-2982
[2]Synthesis,1997,p.1146-1150
[3]JournalofOrganicChemistry,1987,vol.52,p.2361-2364
[1]JournalofOrganicChemistry,1986,vol.51,p.25-36
[1]TetrahedronLetters,1996,vol.37,p.7171-7172
[1]JournalofOrganicChemistry,2004,vol.69,p.790-801