[1]JournalofOrganicChemistry,1959,vol.24,p.1092,1094
[1]TetrahedronLetters,2005,vol.46,#38,p.6449-6451
[2]Tetrahedron,1986,vol.42,#7,p.2017-2024
[3]BulletinoftheChemicalSocietyofJapan,2017,vol.90,#3,p.298-305
[4]JournaloftheChemicalSociety,1952,p.2873,2880
[5]HelveticaChimicaActa,1977,vol.60,p.1161-1174
[6]JournalofOrganicChemistry,1974,vol.39,p.3378-3384
[7]JournaloftheAmericanChemicalSociety,1983,vol.105,#12,p.4008-4017
[8]TetrahedronLetters,1994,vol.35,#4,p.641-644
[9]Tetrahedron,1998,vol.54,#15,p.3929-3934
[10]BulletinoftheChemicalSocietyofJapan,2017,vol.90,#4,p.387-394