1982
DOI: 10.1002/hlca.19820650721
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Diterpenoide Drüsenfarbstoffe aus Labiaten: 22 neue Coleone und Royleanone aus Plectranthus lanuginosus

Abstract: s. [I] und [2], vorangehende Mitt. s. [3] 0018-019)3/82/7/2 136-28$01.00/0 R AR'R1=R2=R4=Ac, R3=C5H5 2. Strukturen der Royleanone6) (s. Tabelle I und Schema I).a) 6,7-Dehydroroyleanon (1). Feine rote Nadeln (aus Diisopropylather), identisch mit der in [15] beschriebenen Verbindung.

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Cited by 40 publications
(37 citation statements)
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“…Of the different types of diterpenoids found in the genus, the abietane diterpenoids are the most diverse group. Some of the abietane diterpenoids isolated include 6␤-formyloxy-7␣-hydroxyroyleanone, coleon U and V in Plectranthus argentatus (Adler et al, 1984), coleon F, C, coleonol C, cariocal and plectrin in Plectranthus barbatus (Rüedi and Eugster, 1973;Grob et al, 1978;Tandon et al, 1978;Kelecom and Dos Santos, 1985;Kreutner et al, 1985;Jin et al, 1990), coleon M, N, O, P, Q and R in Plectranthus caninus (Arihara et al, 1975;Grob et al, 1978), edulone A and 16-O-acetylcoleon D in Plectranthus edulis (Buchbauer et al, 1978;Kunzle et al, 1987), 7␣,11-dihydroxy-12-methoxy-8,11,13-abietatriene in Plectranthus elegans (Dellar et al, 1996), grandidone A and grandidone B in Plectranthus grandidentatus (Uchida et al, 1981), 6␤,7␤-dihydroxyroyleanone in Plectranthus hadiensis (syn Plectranthus zeylanicus) (Mehrotra et al, 1989), horminone and 7␣,12-dihydroxy-17(15 → 16)-abeo-abieta-8,12,16-triene-11,14-dione in Plectranthus hereroensis (Batista et al, 1994(Batista et al, , 1996Ferraeira et al, 1997) and lanugon M, N, S, 15-epilanugin F, coleon J and H in Plectranthus lanuginosus (Moir et al, 1973a,b;Schmid et al, 1982;Matloubi-Moghadam et al, 1984). A few of these compounds have been tested for antimicrobial activity and this could explain some of medicinal uses, especially for the treatment of infections, fever and inflammation (Table 1).…”
Section: Chemistry Of Plectranthus Speciesmentioning
confidence: 99%
“…Of the different types of diterpenoids found in the genus, the abietane diterpenoids are the most diverse group. Some of the abietane diterpenoids isolated include 6␤-formyloxy-7␣-hydroxyroyleanone, coleon U and V in Plectranthus argentatus (Adler et al, 1984), coleon F, C, coleonol C, cariocal and plectrin in Plectranthus barbatus (Rüedi and Eugster, 1973;Grob et al, 1978;Tandon et al, 1978;Kelecom and Dos Santos, 1985;Kreutner et al, 1985;Jin et al, 1990), coleon M, N, O, P, Q and R in Plectranthus caninus (Arihara et al, 1975;Grob et al, 1978), edulone A and 16-O-acetylcoleon D in Plectranthus edulis (Buchbauer et al, 1978;Kunzle et al, 1987), 7␣,11-dihydroxy-12-methoxy-8,11,13-abietatriene in Plectranthus elegans (Dellar et al, 1996), grandidone A and grandidone B in Plectranthus grandidentatus (Uchida et al, 1981), 6␤,7␤-dihydroxyroyleanone in Plectranthus hadiensis (syn Plectranthus zeylanicus) (Mehrotra et al, 1989), horminone and 7␣,12-dihydroxy-17(15 → 16)-abeo-abieta-8,12,16-triene-11,14-dione in Plectranthus hereroensis (Batista et al, 1994(Batista et al, , 1996Ferraeira et al, 1997) and lanugon M, N, S, 15-epilanugin F, coleon J and H in Plectranthus lanuginosus (Moir et al, 1973a,b;Schmid et al, 1982;Matloubi-Moghadam et al, 1984). A few of these compounds have been tested for antimicrobial activity and this could explain some of medicinal uses, especially for the treatment of infections, fever and inflammation (Table 1).…”
Section: Chemistry Of Plectranthus Speciesmentioning
confidence: 99%
“…3206 (2) 1997 (4) 3859 (5) 49 (2) (34) 2433 (3) 3104 (6) 4847 (6) 35 (2) o (4) 2814 (2) 3879 (4) 5350 (4) 44 (2) C(4a) 1792 (3) 3165 (6) S028 (6) 33(2) C(4b) 1501 (3) 43 1 l(6) S289 (7) 36(2) C (5) 1652 (3) 5511 (6) 4781 (7) 37 (2) (36) 1358 (3) 6529 (6) 5177 (7) 460) C (7) 918 (3) 6498 (6) 6023 (7) 3 9 a C (8) 726 (3) S346 (7) 6430 (7) 45 (3) C(8a) 1005 (3) 4230 (6) 602 l (7) 42(3) (39) 788 (3) 3030 (7) 6317 (7) 54(3) C (10) 1026 (3) 1966 (7) 5846 (7) 45(3) C( IOa) 1529 (3) 2013 (6) 5200 (7) 4 W ) C (11) 2531 (3) -3S4 (6) 3483 (7) ...…”
Section: O(3)unclassified
“…CHIMICA ACTA -Vol 69 (1986) Plectranthon F (7). Nach UVjVIS-und IR-Spektren gehort diese Verbindung dem 6,7-Didehydroroyleanon-Typus') an mit einer ausgesprochenen Ahnlichkeit zu Lanugon A [7].…”
Section: H~l V~t I C Aunclassified
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