[1]ChemischeBerichte,1924,vol.57,p.210
[1]TetrahedronLetters,2006,vol.47,p.5807-5810
[2]Patent:US2003/207915,2003,A1
[3]AustralianJournalofChemistry,1989,vol.42,p.1235-1248
[1]TetrahedronLetters,1992,vol.33,p.1161-1164
[1]ChemischeBerichte,1917,vol.50,p.917
[1]JournaloftheChemicalSociety,1927,p.2100 JournaloftheChemicalSociety,1928,p.1510