Mehta, Goverdhan; Krishnamurthy, Nacharaju; Karra, Srinivas Rao (1991). "Terpenoids to terpenoids: enantioselective construction of 5,6-, 5,7-, and 5,8-fused bicyclic systems. Application to the total synthesis of isodaucane sesquiterpenes and dolastane diterpenes". Journal of the American Chemical Society. 113 (15): 5765–5775. doi:10.1021/ja00015a034.
Wender, Paul A.; Takahashi, Hisashi; Witulski, Bernhard (1995). "Transition Metal Catalyzed [5 + 2] Cycloadditions of Vinylcyclopropanes and Alkynes: A Homolog of the Diels-Alder Reaction for the Synthesis of Seven-Membered Rings". Journal of the American Chemical Society. 117 (16): 4720–4721. doi:10.1021/ja00121a036.