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Structure type: monomer ; 951.2692 [M+Na]+, 927 [M-H]-
C₄₈H₄₈O₁₉
Trivial name: colleflaccinoside A
Compound class: glycoside
Contained glycoepitopes: IEDB_142488,IEDB_146664,IEDB_983931,SB_192

• Article ID: 7997
  Rezanka T, Dembitsky VM "The colleflaccinosides, two chiral bianthraquinone glycosides with antitumor activity from the lichen Collema flaccidum collected in Israel and Russia" - Natural Product Research 20(10) (2006) 969-980
  

  Colleflaccinosides A and B, two chiral bianthraquinone glycosides from the two geographical varieties of lichen Collema flaccidum collected in Russia and Israel have been isolated as new natural products. Their structures were elucidated using UV, CD, IR, MS, 1D and 2D NMR spectral data, and chemical degradation. The colleflaccinosides B had significant antitumor activity in the crown gall tumor inhibition test.

  Russia, antitumor activity, Collema flaccidum, jelly lichen, Israel, Bianthraquinone glycosides, colleflaccinosides A and B, facility mayak

  NCBI PubMed ID: 16854728
  Publication DOI: 10.1080/14786410500218674
  Journal NLM ID: 101167924
  Publisher: Milton Park, UK : Taylor & Francis Health Sciences
  Correspondence: Rezanka T
  Institutions: Department of Organic Chemistry, Hebrew University of Jerusalem, Jerusalem, Israel, Institute of Microbiology, Prague, Czech Republic
  Methods: 13C NMR, 1H NMR, gel filtration, NMR-2D, IR, FAB-MS, GC-MS, TLC, acid hydrolysis, GC, HPLC, UV, extraction, optical rotation measurement, CD, enzymatic assay, biological assay, antitumor activity assay, HR-FAB-MS, LR-FAB-MS
  
   
  
  Collema flaccidum
  CSDB ID 45502 (all data & tools)

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Structure type: monomer ; 921.2586 [M+Na]+, 897 [M-H]-
C₄₇H₄₆O₁₈
Trivial name: colleflaccinoside B
Compound class: glycoside
Contained glycoepitopes: IEDB_114701,IEDB_167188,IEDB_174332

• Article ID: 7997
  Rezanka T, Dembitsky VM "The colleflaccinosides, two chiral bianthraquinone glycosides with antitumor activity from the lichen Collema flaccidum collected in Israel and Russia" - Natural Product Research 20(10) (2006) 969-980
  

  Colleflaccinosides A and B, two chiral bianthraquinone glycosides from the two geographical varieties of lichen Collema flaccidum collected in Russia and Israel have been isolated as new natural products. Their structures were elucidated using UV, CD, IR, MS, 1D and 2D NMR spectral data, and chemical degradation. The colleflaccinosides B had significant antitumor activity in the crown gall tumor inhibition test.

  Russia, antitumor activity, Collema flaccidum, jelly lichen, Israel, Bianthraquinone glycosides, colleflaccinosides A and B, facility mayak

  NCBI PubMed ID: 16854728
  Publication DOI: 10.1080/14786410500218674
  Journal NLM ID: 101167924
  Publisher: Milton Park, UK : Taylor & Francis Health Sciences
  Correspondence: Rezanka T
  Institutions: Department of Organic Chemistry, Hebrew University of Jerusalem, Jerusalem, Israel, Institute of Microbiology, Prague, Czech Republic
  Methods: 13C NMR, 1H NMR, gel filtration, NMR-2D, IR, FAB-MS, GC-MS, TLC, acid hydrolysis, GC, HPLC, UV, extraction, optical rotation measurement, CD, enzymatic assay, biological assay, antitumor activity assay, HR-FAB-MS, LR-FAB-MS
  
   
  
  Collema flaccidum
  CSDB ID 45503 (all data & tools)