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In Pharmaceutical Sciences (Pharmacognosy)

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- 14 -<br />

INTRODUCTION<br />

Name of Compound<br />

R=α OAc;<br />

Structure Species & ref.<br />

(20 S)-3α-acetoxy-24-methylene<br />

dammaran-20-ol<br />

HO<br />

R= ß OAc;<br />

(20 S)-3ß -acetoxy-24-methylene<br />

dammaran-20-ol<br />

β- daucosterol<br />

5-hydroxy-6,9-epoxy-guaiane<br />

R1= R2= OH;<br />

phyllaemblic acid B<br />

R1=H, R2= OH;<br />

phyllaemblic acid C<br />

R1= H, R2= O-glu.;<br />

phyllaemblicin D<br />

R= H;<br />

Spruceanol<br />

R= OH;<br />

Cleistanthol<br />

Trans phytol<br />

(2Z,6Z,10Z,14E,18E)-farnesyl farnesol<br />

HO<br />

R<br />

HO<br />

O<br />

OH<br />

OH<br />

O<br />

HO<br />

Bisabolane-type sesquiterpenoids<br />

R 1<br />

HOOC<br />

H<br />

OH<br />

OH<br />

O<br />

H O<br />

O HO<br />

Cleistanthane diterpenes<br />

R<br />

HO<br />

Acyclic diterpenes<br />

HO<br />

Acyclic triterpene<br />

OH<br />

OH<br />

R2<br />

polyanthus (35)<br />

emblica (41)<br />

oxyphyllus (16)<br />

emblica (42)<br />

oxyphyllus (16)<br />

niruri (43)<br />

niruri (44)

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