↑Jonathan Clayden, Nick Greeves, Stuart Warren: Organic Chemistry, s. 514–525. Oxford University Press, 2012. ISBN 978-0-19-927029-3(englanniksi)
↑Michael B. Smith & Jerry March: March's Advanced Organic Chemistry, s. 853–869. John Wiley & Sons, 2007. ISBN 978-0-471-72091-1(englanniksi)
↑Francis A. Carey & Richard J. Sundberg: Organic Chemistry B: Reactions and synthesis, s. 1030–1055. Springer, 2007. ISBN 978-0-387-68350-8(englanniksi)