Philinopgenin A, B, and C, Three New Triterpenoid Aglycones from the Sea Cucumber Pentacta quadrangulasis

Philinopgenin A, B, and C, Three New Triterpenoid Aglycones from the Sea Cucumber Pentacta quadrangulasis

Three new triterpenoid aglycones named Philinopgenin A (1), B (2), and C (3) were isolated from the acid hydrolysate of the crude glycoside mixture prepared from the whole sea cucumber Pentacta quadrangulasis Lesson. The corresponding structures were determined as 16β-acetoxyholosta-8(9), 24(25)-die...

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Veröffentlicht in:Marine drugs 2004-12, Vol.2 (4), p.185-191
Hauptverfasser: Zhang, Shi-Long, Li, Ling, Yi, Yang-Hua, Zou, Zheng-Rong, Sun, Peng
Format: Artikel
Sprache:eng
Schlagworte:
Holothurioidea
Marine
Pentacta quadrangulasis
Pentacta quadrangulasis Lesson
Philinopgenin A
Philinopgenin B
Philinopgenin C
triterpenoid aglycone
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Zusammenfassung:Three new triterpenoid aglycones named Philinopgenin A (1), B (2), and C (3) were isolated from the acid hydrolysate of the crude glycoside mixture prepared from the whole sea cucumber Pentacta quadrangulasis Lesson. The corresponding structures were determined as 16β-acetoxyholosta-8(9), 24(25)-diene-3β-ol (1), 20, 25-epoxy-lanosta-9(11)-ene-3β-ol 18(16)–lactone (2) and 16β-acetoxyholosta-9(11), 24(25)-diene-3β-ol (3), respectively, on the basis of spectral evidence.
ISSN:1660-3397
1660-3397
DOI:10.3390/md204185