[1]OrganicProcessResearchandDevelopment,2020,vol.24,p.67-84
[2]JournaloftheAmericanChemicalSociety,1948,vol.70,p.2837,2842
[3]Patent:US6335332,2002,B1.Locationinpatent:Pagecolumn14
[1]D'Agostinoetal.[JournalofOrganicChemistry,1958,vol.23,p.1539,1544]
[1]Corseetal.[JournaloftheAmericanChemicalSociety,1948,vol.70,p.2837,2842]
[1]Ishibashi,Hiroyuki;Okada,Motofumi;Iida,Kyoko;Ikeda,Masazumi[JournalofHeterocyclicChemistry,1985,vol.22,p.1527-1529]