[1]JournaloftheChemicalSociety.PerkintransactionsI,1988,p.111-124
[1]TetrahedronLetters,1986,vol.27,p.2275-2278
[2]JournaloftheChemicalSociety.PerkintransactionsI,1988,p.111-124
[1]JournaloftheChemicalSociety.PerkintransactionsI,1989,p.655-661
[1]TetrahedronLetters,1986,vol.27,p.2275-2278
[1]JournalfurpraktischeChemie(Leipzig1954),1984,vol.326,p.519-523