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YS 12 Synthesis and biological evaluation of pyrazoline derivatives from Chalcones of Polygonum Senegalense as possible anti-microbial agents
(University of Nairobi, 2013-12)
The pyrazolines synthesized in this study can be classified into three groups. The first
category has phenyl substituted azole ring. The second group contain acetate group
attached to nitrogen in the ring. The last group ...
Two flavonoids and a rearranged clerodane diterpenoid from the leaf exudates of microglossa pyrifolia
(University of Nairobi, 2015)
The fresh leaves of
Microglossa pyrifolia
, Asteraceae
(7.5 kg) were extracted by successive
dipping into fresh portions of ethyl acetate for short periods (less than or ca. 15 s) to yield (180 g,
2.4% ...