A new saponin, rivularinin, has been isolated from the ethanolic extract of Anemone rivularis (Ranunculaceae). The saponin was shown to be [α-l-arabinofuranosyl(1→2)-α-l-rhamnopyranosyl(1→4)-β-d-glucopyranosyl(1→4)-β-d-glucuronopyranosyl(1→3)]-3β-hydroxy-olean-12-en-28-oic acid.

structural determination, Ranunculaceae, Anemone rivularis, rivularinin, [α-l-arabinofuranosyl(1→2)-α-l-rhamnopyranosyl(1→4)-β-d-glucopyranosyl(1→4)-β-d-glucuronopyranosyl(1→3)]-3β-hydroxy-olean-12-en-28-oic acid

• Compound ID: 23927
  

  a-L-Rhap-(1-4)-b-D-Glcp-(1-4)-b-D-Glcp-(1-3)-Subst Subst = olean-12-en-3β,28-diol = SMILES CC1(C){3}[C@@H](O)CC[C@]2(C)[C@@]3([H])CC=C4[C@]5([H])CC(C)(C)CC[C@@]({28}CO)5CC[C@](C)4[C@@](C)3CC[C@@]12[H]

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  Reference(s) to other database(s): CCSD:13086, CBank-STR:7618
  
   
  
  Anemone rivularis
  CSDB ID 145369 (all data & tools)
• Compound ID: 24041
  

  b-D-GlcpA6Me-(1-3)-Oleanolic28Me Oleanolic = 3β-hydroxyolean-12-en-28-oic acid

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  
   
  
  Anemone rivularis
  CSDB ID 245372 (all data & tools)
• Compound ID: 24086
  

  a-L-Rhap-(1-4)-b-D-Glcp-(1-4)-b-D-GlcpA-(1-3)-Oleanolic Oleanolic = 3β-hydroxyolean-12-en-28-oic acid

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  Reference(s) to other database(s): CCSD:13089, CBank-STR:7639
  
   
  
  Anemone rivularis
  CSDB ID 145370 (all data & tools)
• Compound ID: 24118
  

  b-D-Glcp-(1-3)-Subst Subst = olean-12-en-3β,28-diol = SMILES CC1(C){3}[C@@H](O)CC[C@]2(C)[C@@]3([H])CC=C4[C@]5([H])CC(C)(C)CC[C@@]({28}CO)5CC[C@](C)4[C@@](C)3CC[C@@]12[H]

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  
   
  
  Anemone rivularis
  CSDB ID 295369 (all data & tools)
• Compound ID: 24119
  

  a-L-Rhap-(1-4)-b-D-Glcp-(1-4)-b-D-GlcpA6Me-(1-3)-Oleanolic28Me Oleanolic = 3β-hydroxyolean-12-en-28-oic acid

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  Reference(s) to other database(s): CCSD:13087, CBank-STR:7653
  
   
  
  Anemone rivularis
  CSDB ID 145368 (all data & tools)
• Compound ID: 24120
  

  a-L-Araf-(1-2)-a-L-Rhap-(1-4)-b-D-Glcp-(1-4)-b-D-GlcpA6Me-(1-3)-Oleanolic28Me Oleanolic = 3β-hydroxyolean-12-en-28-oic acid

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  Reference(s) to other database(s): CCSD:13088, CBank-STR:10277
  
   
  
  Anemone rivularis
  CSDB ID 145372 (all data & tools)
• Compound ID: 24121
  

  a-L-Araf-(1-2)-a-L-Rhap-(1-4)-b-D-Glcp-(1-4)-b-D-GlcpA-(1-3)-Oleanolic Oleanolic = 3β-hydroxyolean-12-en-28-oic acid

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  Structure type: oligomer
  Trivial name: rivularinin
  Compound class: saponin glycoside
  Reference(s) to other database(s): CCSD:13090, CBank-STR:10276
  
   
  
  Anemone rivularis
  CSDB ID 145371 (all data & tools)