نتایج جستجو برای: dixanthones
تعداد نتایج: 2 فیلتر نتایج به سال:
Journal:
:iranian journal of chemistry and chemical engineering (ijcce)
2014
hashem sharghi
fatemeh tamaddon
hossein eshghi
the facile and high yield synthesis of a new series of dibenzophenones in the presence of polyphosphoric acid (ppa) together with their cyclization to corresponding moni and dixanthones are described. the aromatic nucleophilic substitution of these new compounds are also studied.
Journal:
Iranian Journal of Chemistry and Chemical Engineering
2000
The facile and high yield synthesis of a new series of dibenzophenones in the presence of polyphosphoric acid (PPA) together with their cyclization to corresponding moni and dixanthones are described. The aromatic nucleophilic substitution of these new compounds are also studied.
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