[1]JournaloftheAmericanChemicalSociety,1991,vol.113,p.9366-9368
[1]SyntheticCommunications,1994,vol.24,p.2109-2118
[1]JournalofOrganicChemistry,1981,vol.46,p.2954-2960
[2]Synthesis,1992,p.951-953
[3]ChemistryLetters,1989,p.305-308
[4]JournalofOrganicChemistry,1981,vol.46,p.2954-2960
[1]JournaloftheAmericanChemicalSociety,1981,vol.103,p.2273-2280
[1]JournalofBiologicalChemistry,1946,vol.166,p.1,4 BiochemicalPreparations,1949,vol.1,p.71,73