A new tridesmosidic cycloartane type glycoside, cephalotoside A was isolated from the roots of Astragalus cephalotes var. brevicalyx in addition to the known glycosides cyclocanthosides A, D and E. The structure of the new compound was determined by spectral (IR, 1H- and 13C-NMR, and FABMS) and chemical (acetylation) methods and established as 3β-(β-D-xylopyranosyl)oxy-16β-(β-D-glucopyranosyl)oxy-24-(β-D-xylopyranosyl)oxy-cycloartane-6α,25-diol.

D, Leguminosae, E, cycloartane glycoside, Astragalus cephalotes var. brevicalyx, cephalotoside A, cyclocanthosides A

• Compound ID: 28878
  

  b-D-Glcp-(1-6)-+ | b-D-Xylp-(1-3)-Subst Subst = 3β,6α,16β,24(S),25-pentahydroxycycloartane = SMILES C[C@H](CC{24}[C@@H](O){25}C(C)(C)O)C4{16}[C@@H](O)C[C@@]5(C)C2C{6}[C@H](O)C1[C@@](C)(C){3}[C@@H](O)CC[C@@]13C[C@@]23CC[C@]45C

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  Structure type: oligomer
  C30H52O5
  Trivial name: cyclocanthoside E
  Compound class: saponin glycoside, triterpenoid glycoside
  
   
  
  Astragalus cephalotes var. brevicalyx
  CSDB ID 64091 (all data & tools)
• Compound ID: 31023
  

  b-D-Glcp-(1-16)-+ | b-D-Xylp-(1-24)-Subst | b-D-Xylp-(1-3)-+ Subst = 3β,6α,16β,24(S),25-pentahydroxycycloartane = SMILES C[C@H](CC{24}[C@@H](O){25}C(C)(C)O)C4{16}[C@@H](O)C[C@@]5(C)C2C{6}[C@H](O)C1[C@@](C)(C){3}[C@@H](O)CC[C@@]13C[C@@]23CC[C@]45C

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  Structure type: oligomer ; 919 [M+H]+
  C46H78O18
  Trivial name: cephalotoside A
  Compound class: saponin glycoside
  
   
  
  Astragalus cephalotes var. brevicalyx
  CSDB ID 64087 (all data & tools)
• Compound ID: 31024
  

  b-D-Xylp2Ac3Ac4Ac-(1-24)-+ | b-D-Glcp2Ac3Ac4Ac6Ac-(1-16)-Subst6Ac | b-D-Xylp2Ac3Ac4Ac-(1-3)-+ Subst = 3β,6α,16β,24(S),25-pentahydroxycycloartane = SMILES C[C@H](CC{24}[C@@H](O){25}C(C)(C)O)C4{16}[C@@H](O)C[C@@]5(C)C2C{6}[C@H](O)C1[C@@](C)(C){3}[C@@H](O)CC[C@@]13C[C@@]23CC[C@]45C

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  Structure type: oligomer ; 1403 [M+Na]+
  C68H100O29
  Compound class: saponin glycoside
  
   
  
  Astragalus cephalotes var. brevicalyx
  CSDB ID 64088 (all data & tools)
• Compound ID: 31025
  

  b-D-Xylp-(1-3)-Subst Subst = 3β,6α,16β,24(S),25-pentahydroxycycloartane = SMILES C[C@H](CC{24}[C@@H](O){25}C(C)(C)O)C4{16}[C@@H](O)C[C@@]5(C)C2C{6}[C@H](O)C1[C@@](C)(C){3}[C@@H](O)CC[C@@]13C[C@@]23CC[C@]45C

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  Structure type: monomer
  Trivial name: cyclocanthoside A
  Compound class: saponin glycoside
  
   
  
  Astragalus cephalotes var. brevicalyx
  CSDB ID 64089 (all data & tools)
• Compound ID: 31026
  

  b-D-Xylp-(1-3)-+ | b-D-Glcp-(1-16)-Subst Subst = 3β,6α,16β,24(S),25-pentahydroxycycloartane = SMILES C[C@H](CC{24}[C@@H](O){25}C(C)(C)O)C4{16}[C@@H](O)C[C@@]5(C)C2C{6}[C@H](O)C1[C@@](C)(C){3}[C@@H](O)CC[C@@]13C[C@@]23CC[C@]45C

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  Structure type: oligomer
  Trivial name: cyclocanthoside D
  Compound class: saponin glycoside
  
   
  
  Astragalus cephalotes var. brevicalyx
  CSDB ID 64090 (all data & tools)