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Chenera, B., Venkitachalam, U., Ward, D. and Reusch, W. (1986) Total Synthesis of Tetracyclic Triterpenes. 2. An Efficient Synthesis of 1,4-Dimethoxy-14α-Methyl-11-Oxoestra-1,3,5(10)-Triene. Tetrahedron, 42, 3443-3452.
https://doi.org/10.1016/S0040-4020(01)87311-7

has been cited by the following article:

• TITLE: Steroids, Tri- and Meroterpenoids with a Quinone Structure—A Review

  AUTHORS: Maryam S. M. Aghaei, Thies Thiemann

  KEYWORDS: Steroid, Secosteroid, Meroterpenoid, Triterpenoid, Quinone, Anti-Tumour Agent, Antibiotic, Natural Product

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.14 No.1, March 29, 2024

  ABSTRACT: Terpenoids with quinoid structures are found as natural products. This includes steroidal quinones, quinones with a secosteroid structure and meroterpenoid quinones. Importantly, catechol estrogens as endogenous metabolites of estradiol and estrone are precursors of reactive quinones and semiquinones, which are thought to contribute to estrogen-induced carcinogenesis. On the other hand, a number of quinones that include substituted naphthoquinones and anthraquinones are highly cytotoxic and have been used in cancer treatment. This makes the structures interesting synthetic targets. The following is a review of important natural and synthetic terpenoid and steroid quinone hybrids.