I= PHYTOCHEMICAL STUDIES ON SAPONINS AND SAPOGENINS OF GUATACUM OFFICINALE L
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Title of Thesis
PHYTOCHEMICAL STUDIES ON SAPONINS AND SAPOGENINS OF GUATACUM OFFICINALE L

Author(s)
Nasreen Bano
Institute/University/Department Details
University of Karachi/ H.E.J Research Institute of Chemistry
Session
1985
Subject
Chemistry
Number of Pages
140
Keywords (Extracted from title, table of contents and abstract of thesis)
saponins, sapogenins, guatacum officinale l, sitosterol, lerreagenin, oleanolic acid, officigenin, prosapogenins

Abstract

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S. No. Chapter Title of the Chapters Page Size (KB)
1 0 Contents/ Abstract
134.85 KB
2 1 Isolation And Structural Studies On Sapogenins Of Guaiacum Officinale 15
361.81 KB
  1.1 Methyl 3b-Hydroxy-30-Norolean-12, 19-Dien-28-Oate 15
  1.2 Sitosterol (2) 22
  1.3 Lerreagenin (3) 23
  1.4 Oleanolic Acid (4) 28
  1.5 3b-Hydroxy-20e-Methoxy-30-Norolean-12-En-28-Oic Acid (5) 30
  1.6 3b-Hydroxy-30-Norolean-12, 19-Dien-28-Oic Acid (6) 35
  1.7 3b ,20e -Dihydroxy-30-Norolean-12-En-28-Oic Acid (7) 40
  1.8 Officigenin 46
  1.9 3b, 29-Dihdroxyolean-12-En-28-Oic Acid 49
  1.10 3b, 24-Dihydroxyolean-12-En-28, 29-Dioic Acid 55
3 2 Isolation And Structure Studies On Prosapogenins Of Guaiacum Officinale 66
92.48 KB
  2.1 24-O-B-D-Glucopyranosyl Officigenin (11) 67
  2.2 Glycoside Of 3b-Hydroxy-30-Norolean-12, 20(29)-Dien-28-Oic Acid (12) 73
4 3 Isolation And Structure Studies On Saponins Of Guaiacum Officinale 79
118.91 KB
  3.1 3-0-[A-L- Arabinopyranosyl ]-30-Norolean-12 ,20 (29)-Dien-28-Oic Acid (13) 79
  3.2 3-0-[B-D- Glucopyranosyl ] Sitosterol (14) 85
  3.3 3-0-[A-L- Rhamnopyranosyl (1-3)-B-D- Glucopyranosyl -(1-3 )A -L- Arabinopyranosyl ]-30-Norolean-12,20(29)-Dien-28-Oic Acid (15) 93
  3.4 Experimental General Notes 95
5 4 Isolation And Structural Studies On Sapogenins Of Guaiacum Officinale 96
212.01 KB
  4.1 Acid Hydrolysis Of Crude Saponins 96
  4.2 Examination Of Mixture Of Crude Sapogenins 97
  4.3 Isolation Of Methyl 3-B-Hydroxy-30-Norolean-12, 19-Dien-28-Oate (1) And Sitosterol ( 2) 97
  4.4 Isolation And Characterisation Of Larreagenin -A (3) 101
  4.5 Isolation And Characterisation Of Oleanolic Acid (4) 103
  4.6 Isolation Of 3-B-Hydroxy-20e-Methoxy-30-Notolean-12-En-28-Oic Acid (5) 105
  4.7 Isolation Of 3-B-Hydorxy-30-Norolean-12, 19-Dien-28-Oic Acid (7) 108
  4.8 Isolation And Characterisation Of Officigenin (8) 113
  4.9 3b ,29 -Dihdroxyolean-12-En-28-Oic Acid (9) 117
  4.10 3b ,24 -Dihydroxyolean-12-En-28,29-Dioic Acid (10) 120
6 5 Isolation And Structure Studies On Prosapogenins Of Guaiacum Officinale 123
53.75 KB
  5.1 24-0-B-D-Glucopyranosyl Officigenin (11) 123
  5.2 Isolation And Structure Studies Of Glycoside Of 3b-Hydroxy-30-Norolean-12 ,20 (29)-Dien-28-Oic Acid (12) 126
7 6 Isolation And Structure Studies On Saponins Of Guaiacum Officinale 130
94.58 KB
  6.1 Isolation And Structure Of 3-0-[A-L- Arabinopyranosyl ]-30-Norolean-12 ,20 (29)-Dien-28-Oic Acid (13) 131
  6.2 Sitosterol-B-D-Glucoside (14) 133
  6.3 Isolation And Structure Of 3-O-[A-L- Rhamnopyranosyl B-D- Glucopyranosyl (1-3) A-L- Arabionpyranosyl ]-30-Norolean-12 ,20 (29)-Dien-28-Oic Acid (15) 134
  6.4 Compound 16 135