Rhodium catalysed dehydrogenative C-H/N-H functionalization was developed to construct phthalazino[2,3-a]-/indazolo[1,2-a]cinnolines by reacting N-phenyl phthalazine/indazole with alkynes. The synthesized compounds exhibit prominent fluorescence properties in solid and aggregation states. Their application in cell imaging was investigated using various cancer cell lines.
The first ever attempt at reacting hypervalent iodonium ylides with readily available N-methoxybenzamides by using a Rh(iii)-catalyst has been well explored.
A straightforward approach for the one-pot synthesis of isoxazoloquinoline and spiroxindole derivatives in water has been established using p-toluene sulphonic acid as a catalyst.
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