Two New Triterpenoids and a Steroidal Glycoside from the Aerial Parts of Ocimum basilicum

  • Siddiqui Bina Shaheen
    International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi
  • Aslam Huma
    International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi
  • Ali Syed Tariq
    International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi
  • Begum Sabira
    International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi
  • Khatoon Nasima
    International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi

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説明

Studies on the chemical constituents of the aerial parts of Ocimum basilicum have led to the isolation of three new compounds, basilol (1), ocimol (2), and basilimoside (3), along with two known constituents betulinic acid and oleanolic acid. The structures of the new constituents have been elucidated through spectral studies including 2D-NMR experiments (HMQC, HMBC, COSY, NOESY, and J-resolved) and chemical transformation, as p-formylphenyl 3β-hydroxyolean-12-en-28-oate (1), 2-methoxy-4-carbomethoxyphenyl 3β-hydroxy-lup-20(29)-en-28-oate (2), and (22E)-24ξ-ethyl-25-methylcholesta-5,22-diene-3β-ol-3-O-D-glucopyranoside (3).

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