Several new quercetagetin 7-methyl ether glycosides were characterized from the ethanolic extracts of scapes and leaves of Paepalanthus vellozioides and P. latipes. Their structures were determined mainly by 600 MHz NMR spectroscopy.

Paepalanthus vellozioides, Paepalanthus latipes, Eriocaulaceae, quercetagetin 7-methyl ether glycosides

• Compound ID: 30898
  

  b-D-Glcp-(1-3)-Subst7Me Subst = quercetagetin = SMILES O{7}C1=CC2=C(C({3}C(O)=C(C3=CC={54}C(O){53}C(O)=C3)O2)=O){5}C(O)={6}C1O

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  Structure type: monomer ; 495 [M+H]+
  C22H22O13
  Compound class: flavonol glycoside
  
   
  
  Paepalanthus vellozioides, Paepalanthus latipes
  CSDB ID 63935 (all data & tools)
• Compound ID: 30899
  

  b-D-Glcp-(1-4')-Subst7Me Subst = quercetagetin = SMILES O{7}C1=CC2=C(C({3}C(O)=C(C3=CC={54}C(O){53}C(O)=C3)O2)=O){5}C(O)={6}C1O

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  Structure type: monomer ; 495 [M+H]+
  C22H22O13
  Compound class: flavonol glycoside
  
   
  
  Paepalanthus vellozioides, Paepalanthus latipes
  CSDB ID 63936 (all data & tools)
• Compound ID: 30900
  

  b-D-Glcp-(1-4)-b-D-Glcp-(1-3)-Subst7Me Subst = quercetagetin = SMILES O{7}C1=CC2=C(C({3}C(O)=C(C3=CC={54}C(O){53}C(O)=C3)O2)=O){5}C(O)={6}C1O

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  Structure type: oligomer ; 657 [M+H]+
  C28H32O18
  Compound class: flavonol glycoside
  
   
  
  Paepalanthus vellozioides, Paepalanthus latipes
  CSDB ID 63937 (all data & tools)
• Compound ID: 30901
  

  a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst7Me Subst = quercetagetin = SMILES O{7}C1=CC2=C(C({3}C(O)=C(C3=CC={54}C(O){53}C(O)=C3)O2)=O){5}C(O)={6}C1O

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  Structure type: oligomer ; 641 [M+H]+
  C28H32O17
  Compound class: flavonol glycoside
  
   
  
  Paepalanthus vellozioides, Paepalanthus latipes
  CSDB ID 63938 (all data & tools)
• Compound ID: 30902
  

  Caf-(9-2)-a-D-Glcp-(1-4)-b-D-GlcpA-(1-3)-Subst7Me Subst = quercetagetin = SMILES O{7}C1=CC2=C(C({3}C(O)=C(C3=CC={54}C(O){53}C(O)=C3)O2)=O){5}C(O)={6}C1O

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  Structure type: oligomer ; 833 [M+H]+
  C37H36O22
  Compound class: flavonol glycoside
  
   
  
  Paepalanthus vellozioides, Paepalanthus latipes
  CSDB ID 63939 (all data & tools)