Chemistry Letters p. 1 - 4 (1983)
Update date:2022-08-05
Topics:
Hasegawa, Shinichi
Hirose, Yoshiyuki
By conversion of methyl 15,16-epoxy-20-oxo-8(17),13(16),14-labdatrien-19-oate (3) into 15,16-epoxy-8(17),13(16),14-labdatrien-19,20-olide (1) and 15,16-epoxy-8(17),13(16),14-labdatrien-20,19-olide (8), the structure of potamogetonin was proved to be 15,16-epoxy-8(17),13(16),14-ent-labdatrien-20,19-olide (10), not 2 as proposed by Smith et al.
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Doi:10.1021/acs.orglett.5b02631
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