Tetrahedron Letters p. 1983 - 1986 (1989)
Update date:2022-07-29
Topics:
Kigoshi, Hideo
Sawada, Akihiko
Nakayama, Yoshisuke
Niwa, Haruki
Yamada, Kiyoyuki
Starting from α-allyl-δ-valerolactone, stereocontrolled synthesis of ptaquilosin (2), the aglycone of bracken carcinogen ptaquiloside (1) has been achieved in racemic form, which includes a novel deformylation-hydroxylation reaction (21 -> 23) as one of the key steps.
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