1. Diels, O.; Alder, K. Ann. 1928, 460, 98–122. Otto Diels (Germany, 1876–1954) and his student, Kurt Alder (Germany, 1902–1958), shared the Nobel Prize in Chemistry in 1950 for development of the diene synthesis. In this article they claimed their territory in applying the Diels–Alder reaction in total synthesis: “We explicitly reserve for ourselves the application of the reaction developed by us to the solution of such problems.”
2. Oppolzer, W. In Comprehensive Organic Synthesis; Trost, B. M.; Fleming, I., Eds.; Pergamon, 1991, Vol. 5, 315–399. (Review).
3. Weinreb, S. M. In Comprehensive Organic Synthesis; Trost, B. M.; Fleming, I., Eds.; Pergamon, 1991, Vol. 5, 401–449. (Review).
4. (a) Rickborn, B. The retro-Diels???Alder reaction. Part I. C???C dienophiles in Org. React. John Wiley & Sons, 1998, 52.
5. (b) Rickborn, B. The retro-Diels???Alder reaction. Part II. Dienophiles with one or more heteroatom in Org. React. John Wiley & Sons, 1998, 53.