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Carapolide A, A novel hexanortriterpenoid and carapolides b and c, novel tetranortriterpenoids from the seeds of carapa procera (meliaceae)

โœ Scribed by S.Fon Kimbu; J.Foyere Ayafor; B.Lucas Sondengam; Joseph D. Connolly; David S. Rycroft

Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
204 KB
Volume
25
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Smg

: Carapolide A, a novel hexanortriterpenoid, and carapolides B and C, novel tetranortriterpenoids have been isolated from the seeds of Varapa procera and have been assigned structures ( 2)) (10) and (11) respectively on the basis of chemical and spectroscopic evidente.

๐Ÿ“œ SIMILAR VOLUMES

Carapolides d, e and f, novel tetranortr
Carapolides d, e and f, novel tetranortriterpenoids from the seeds of carapa grandiflora (meliaceae)
โœ S.Fon Kimbu; J.Foyere Ayafor; B.Lucas Sondengam; E. Tsamo; Joseph D. Connolly; D ๐Ÿ“‚ Article ๐Ÿ“… 1984 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 170 KB

Carapolides D and E, two new ring E cleaved tetranortriterpenoids, and carapolide F, a novel tetranortriterpenoid spirolactone, have been isolated from the seeds of Carapa grandiflora and have been assigned structures (l),(3) and (6) on the basis of their 1 H and 13 C spectroscopic properties.

Structure of pittosporumxanthins A1 and
Structure of pittosporumxanthins A1 and A2, novel C69 carotenoids from the seeds of Pittosporum tobira
โœ Yasuhiro Fujiwara; Takashi Maoka ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 88 KB

Two novel C 69 carotenoids containing an a-tocopherol moiety, named pittosporumxanthins A1 (1) and A2 (2), have been isolated from the seeds of Pittosporum tobira. Their structures were elucidated by NMR and CD spectral analysis and chemical means.