Tetrahedron p. 13167 - 13180 (1996)
Update date:2022-08-03
Topics:
Seifert, Monika
Kuck, Dietmar
The synthesis of several naphtho-anellated fenestrane derivatives 16 and 20-26 is described for the first time. Among these, a 'broken' dibenzo,(naphtho-d,e)[5.6.5]fenestrane, 9, and two isomeric benzo,di(naphtho-a)[6.5.5.5]fenestrane ketones, 23 and 24, were obtained in good yields by using the two-fold cyclodehydration route via the corresponding (spiro-) 1,3-indandiols. Attempts to prepare fenestranes that contain more than one six-membered ring failed.
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