In Pharmaceutical Sciences (Pharmacognosy)

6. Other oxygenated compounds:
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INTRODUCTION
The literature survey of genus Phyllanthus reveals the presence
of large number of oxygenated non-phenolic compounds that are
summarized in the following table:
Table (9): Oxygenated compounds present in genus Phyllanthus:
Name of Compound Structure Species & ref.
Descinnamoylphyllanthocindiol
O
Niruriside O
R1= R3= OAc, R2= OH;
Phyllanthoside
R1= R2= R3= OH;
Didesacetylphyllanthoside
R1= OH, R2= R3= OAc;
Phyllanthostatin 1
R1= R2= OAc;
Phyllanthostatin 2
R1= R2= OH;
Phyllanthostatin 6
R1= OAc, R2= OH;
Phyllanthostatin 4
R1= OH, R2= OAc;
Phyllanthostatin 5
R= OH;
Didesacetyl-phyllanthostatin 3
R= OAc;
Phyllanthostatin 3
O
O
OH
HO
CH3 O
CH2 CH 3
O
O
O
O
O
O
O
O
O
HO
O
O
HO
O
O
OH
O H2C O
O
CH2 OH
O
CH 3
O
O
O
O
CH O
3
O
R2 R1 O
HO
O
CH2OH
O
O
HO
R1 O
HO
O
O
O
CH O
3
R2 R1 O
HO
O
O
OH
O
CH 2OH
O
HO
R O
HO
O
O
O
OH
O
O
O
O
O
O
O
O
O
R 3
R 2
OH
R
CH 3
OH
CH 3
OH
CH 3
OAc
CH 3
OH
acuminatus (91)
niruri
( 53)
acuminatus (91-93)
acuminatus
(91, 92)
acuminatus (91)
acuminatus (91)