Tetrahedron Letters p. 5719 - 5722 (1996)
Update date:2022-08-05
Topics:
Ueki, Yasuyuki
Itoh, Masanori
Katoh, Tadashi
Terashima, Shiro
An efficient synthesis of various model compounds 4a-e for the tricyclic core of popolophuanone E (1), a novel marine natural product, was accomplished; the method features highly regioselective annulation of the phenols 5a-e with the 2,3-dichloro-1,4-benzoquinones 7, 7c-e. Preliminary studies definitely demonstrated the feasibility of our designed synthetic strategy for 1 (the phenolic subunit I + the quinone subunit II → 1).
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Doi:10.1039/jr9640001548
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(1996)