- Page 1: UNIVERSITY OF KWAZULU-NATAL FACULTY
- Page 5 and 6: Acknowledgements First and foremost
- Page 7 and 8: GC-MS - gas chromatography-mass spe
- Page 9 and 10: Table 19: NMR data of compound III
- Page 11 and 12: Spectrum 1d: Expanded DEPT spectrum
- Page 13 and 14: Compound V, stigmasterol 217 Spectr
- Page 15 and 16: 2 19 1 4 18 O 20 5 Structures of co
- Page 17 and 18: 3.4 Results and Discussion of the c
- Page 19 and 20: compounds are also classified as tr
- Page 21 and 22: 1 H CO2H 19 20 CHO 18 10 5 H 12 14
- Page 23 and 24: may be referred to as a norabietane
- Page 25 and 26: In the mevalonic acid pathway, the
- Page 27 and 28: N thiamine diphosphate (TPP) O OH N
- Page 29 and 30: in the kauranes. From the kauranes,
- Page 31 and 32: References Abad, A., Agullo, C., Cu
- Page 33 and 34: The flower colour varies among the
- Page 35 and 36: Clade 1 unplaced groups Group A: Pl
- Page 37 and 38: different medical conditions and in
- Page 39 and 40: Plectranthus species Skin condition
- Page 41 and 42: Plectranthus species Heart, circula
- Page 43 and 44: Use of the minimum inhibitory conce
- Page 45 and 46: Plectranthus species Coleus kiliman
- Page 47 and 48: Plectranthus species Extraction med
- Page 49 and 50: Plectranthus species Coleus kiliman
- Page 51 and 52: Methanol, ethanol and water seem to
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Plectranthus species P. amboinicus
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Plectranthus species P. amboinicus
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variation is observed within ring B
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Compound Name Synonym 39 40 41 42 4
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compounds (Table 6b). Depending on
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Table 6c: Royleanone-type abietanes
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R 1 R2CH2 19 O H 3CCO 19 O H 6 12 O
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Compound Name Synonym 81 82 83 84 8
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Compound Name Synonym 104 105 106 1
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R 1 19 3 3 1 18 1 18 20 20 O H O H
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educed furan ring. The linear side
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Compound Name Synonym HCO O 128 129
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Thirty-six compounds (131-167) havi
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Compound Name Synonym 147 148 HO HO
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In compounds 149-165 (Table 9b), an
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Compound Name Synonym 163 164 165 R
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Table 9c: Coleon-type abietanes wit
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1 18 3 20 4 O 5 19 R 1 R2 11 9 10 A
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The majority of the abietanes isola
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Plectranthus species Plant part Com
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The leaves seem to be the most freq
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Table 14 contains six abietanes iso
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References Abdel-Mogib, M., Albar,
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Cos, P., Hermans, N., de Bryne, T.,
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Hulme, M. (1954) Wild flowers of Na
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Lingling, X., Jie, L., Weijia, L. a
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Oliveira, P.M., Alves, R.B., Ferrei
- Page 107 and 108:
Ruedi, P. and Eugster, C. H. (1977)
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Ulubelen, A., Birman, H., Oksuz, S.
- Page 111 and 112:
Chapter 3 Extractives from Plectran
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4 20 10 O H 19 18 6 7 OH OH C 13 R
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a few cases (specifically stated in
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The leaves (184.63g) were air-dried
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The ethyl acetate extract (0.98g) w
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3.4.1 Structural elucidation of Com
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esonance showed HMBC correlations t
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esonance at δC 185.76 of C-14 is a
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Position Moiety Compound I 3 CH2 5
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Table 18: 13 C NMR data for compoun
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The equatorial methyl group at C-4,
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The proton NMR data for compound II
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Position 6 7 Compound III (400MHz)
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3.4.3 Structure elucidation of Comp
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showed HMBC correlations to another
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H HO 3 OH H 2 4 24 eq 1 23 5 ax Hax
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HO HO Position 2 23 4 10 24 25 26 9
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Position Compound IV 4.1 4.2 4.3 b
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multiplet at δH 1.91 (H-21) and a
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1 H Position Compound VI Burns et a
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Ultraviolet spectrum (λ max): 192n
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References Ansell, S.M. (1989) The
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Laing, M.D., Drewes, S.E. and Gurla
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van Vuuren, S. (2007) The antimicro
- Page 159 and 160:
Since the 7α-isomers of compounds
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eing incubated for 24 hours at 37°
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This indicated that the dihydroxy c
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acetic acid and air drying the plat
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whereas GI50 values for the renal a
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Table 28: Growth inhibition values
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Gaspar-Marques, C., Duarte, M.A., S
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Chapter 5 Conclusion The aim of thi
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References Abdel-Mogib, M., Albar,
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Table of Contents Page Compound I,
- Page 179 and 180:
Compound II, 6β,7β-dihydroxyroyle
- Page 181 and 182:
Compound IV, euscaphic acid HO HO 2
- Page 183:
HO Compound VI, lupeol 3 24 25 26 2
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HO 218
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HO 220
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222
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225
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227