[1]TetrahedronLetters,1992,vol.33,p.5559-5562
[1]TetrahedronLetters,1992,vol.33,p.5559-5562
[2]JournalofOrganicChemistry,1995,vol.60,p.3980-3992
[1]JournalofOrganicChemistry,1995,vol.60,p.3980-3992
[1]JournalofOrganicChemistry,2005,vol.70,p.3584-3591
[1]JournalofOrganicChemistry,2005,vol.70,p.3584-3591
[2]TetrahedronAsymmetry,2005,vol.16,p.2525-2530