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Structure type: monomer
Trivial name: mayoside
Compound class: xanthone glycoside
Contained glycoepitopes: IEDB_139965

• Article ID: 11956
  Hernandez-Medel MDR, Ramirez-Corzas CO, Rivera-Dominguez MN, Ramirez-Mendez J, Santillan R, Rojas-Lima S "Diastereomeric C-glycosyloxanthrones from Picramnia antidesma" - Phytochemistry 50(8) (1999) 1379-1383
  

  Nine compounds were isolated and identified from the stem of Picramnia antidesma. Two of the isolated compounds: mayoside and saroside, which is new, are diastereoisomeric oxanthrones. The structure of saroside has been obtained on the basis of spectroscopic evidence. The absolute configuration of this diastereoisomeric pair has been determined by CD spectra, and that of saroside was further established by X-ray crystallographic analysis.

  Simaroubaceae, Picramnia antidesma, oxanthrone, saroside

  Publication DOI: 10.1016/S0031-9422(98)00354-9
  Journal NLM ID: 0151434
  Publisher: Elsevier
  Institutions: Instituto de Ciencias Básicas, Universidad Veracruzana, Av. Dos Vistas s/n, Carretera Xalapa-Las Trancas, C.P. 91000, Xalapa, Veracruz, Mexico, Departamento de Quı́mica, Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional, A.P. 14-740, Mexico, D.F. 07000, Mexico
  Methods: 13C NMR, 1H NMR, IR, X-ray, UV, CD, CC, HMBC, HMQC, COSY
  
   
  
  Picramnia antidesma
  CSDB ID 64146 (all data & tools)

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Structure type: monomer ; 686.1851 [M]+
C₃₃H₃₄O₁₆
Trivial name: mayoside C
Compound class: glycoside
Contained glycoepitopes: IEDB_139965,IEDB_142488,IEDB_146664,IEDB_149172,IEDB_983931,SB_192

• Article ID: 12618
  Rodríguez-Gamboa T, Victor SR, Fernandes JB, Fo ER, da Silva MFDGF, Vieira PC, Pagnocca FC, Bueno OC, Hebling MJA, Castro OC "Anthrone and oxanthrone C,O-diglycosides from Picramnia teapensis" - Phytochemistry 55(7) (2000) 837-841
  

  Two C,O-diglycosylated compounds, the anthrone picramnioside F, and the oxanthrone mayoside C, were isolated from the stem bark of Picramnia teapensis, along with the previously reported anthraquinones, 1-O-β-d- and 8-O-β-d-glucopyranosyl emodin. The compounds were separated by recycling-HPLC, and their structures were determined on the basis of spectroscopic analysis. CD measurements were used to establish the absolute configuration of the anthrone and oxanthrone. The antifungal activity of 1-O-β-d- and 8-O-β-d-glucopyranosyl emodin against Leucoagaricus gongilophorus was shown to be similar to that of the lignan sesamin.

  Picramnia teapensis; Simaroubaceae; anthraquinone glycosides; anthrone glycoside; oxanthrone glycoside; picramnioside; mayoside; antifungal activity

  NCBI PubMed ID: 11190406
  Publication DOI: 10.1016/s0031-9422(00)00323-x
  Journal NLM ID: 0151434
  Publisher: Elsevier
  Correspondence: Fernandes JB
  Institutions: Departamento de Quı́mica, Universidade Federal de São Carlos, São Carlos, Brazil, Centro de Estudo de Insetos Sociais, UNESP, Rio Claro, Brazil, Departamento de Quı́mica, Universidad Nacional, Heredia, Costa Rica
  Methods: 13C NMR, 1H NMR, EI-MS, NMR-2D, TLC, ESI-MS, HPLC, extraction, derivatization, evaporation, centrifugation, antifungal activity test, HR-EI-MS
  
   
  
  Picramnia teapensis
  CSDB ID 67452 (all data & tools)