Two New Abietane Diterpenoids from Plectranthus barbatus

Two New Abietane Diterpenoids from Plectranthus barbatus

Plectranthus barbatus Andrews is one of the traditional herbs growing in the Okinawa region, Japan. This plant has high nutritional value and is well known worldwide. Two new abietane-type diterpenoids, 3-hydroxy-12-deacetylbarbatusin ( 1 ) and 2,3-dihydroxy-12-deacetylbarbatusin ( 2 ), along with t...

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Veröffentlicht in:Chemistry of natural compounds 2022-05, Vol.58 (3), p.474-477
Hauptverfasser: Ishii, Takahiro, Matayoshi, Natsuki, Taba, Kanako, Kamada, Takashi
Format: Artikel
Sprache:eng
Schlagworte:
Agricultural biotechnology
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
NMR
Nuclear magnetic resonance
Organic Chemistry
Plant Sciences
Scavenging
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Zusammenfassung:Plectranthus barbatus Andrews is one of the traditional herbs growing in the Okinawa region, Japan. This plant has high nutritional value and is well known worldwide. Two new abietane-type diterpenoids, 3-hydroxy-12-deacetylbarbatusin ( 1 ) and 2,3-dihydroxy-12-deacetylbarbatusin ( 2 ), along with three known abietane-type diterpenoids ( 3–5 ), were isolated from leaves of P. barbatus. Their structures were elucidated by NMR and ESI-MS spectroscopic methods and comparison with the literature data. These compounds were subjected to DPPH radical scavenging assay.
ISSN:0009-3130
1573-8388
DOI:10.1007/s10600-022-03712-y