Mesoporous silica SBA-15 has been functionalized with sulfonic acid to create highly
powerful heterogeneous solid acid catalysts (SBA-Pr-SO 3 H). The catalyst can be easily …

Because of their definite or potential biological and pharmaceutical activities, spirooxindole
heterocycles have been widely studied, and there has occurred a research boom on routes …

Diazabicyclo [5.4. 0] undec-7-ene (DBU) has received a significant importance in organic
synthesis during recent years because of its interesting ability to catalyze organic reaction …

An efficient route for the synthesis of novel bis (1, 4-dihydropyrano [2, 3-c] pyrazole-5-
carbonitrile) derivatives is reported. The synthetic pathway involves one pot, synthesis of bis …

Isatin is an essential building block in organic synthesis and shows various biological
activities. The most attractive application of isatin in organic synthesis is undoubtedly in the …

An efficient and convenient method for the synthesis of bis (4H‐chromene‐3‐carbonitrile)
derivatives by one‐pot, multicomponent reaction of bis‐aldehydes, malononitrile, and …

A novel series of cyclic 2‐oxindole derivatives incorporating 2‐amino‐tetrahydroquinolin‐5‐
one were prepared. The structures of the prepared compounds were elucidated using …

Background: Recently, it is reported that heterocycles containing pyrimidoquinoline moiety
show a broad spectrum of medicinal and pharmacological properties including anticancer …

Novel bis‐chromeno [2, 3‐b] pyridine derivatives were synthesized with good yields by a
clean and efficient methodologies involving one‐pot three‐component synthesis of bis …

A synthesis of bis (dihydropyridine‐3, 5‐dicarbonitrile) by a three‐component reaction of
one equivalent of bis‐cyanoacetamides with two equivalents of both arylaldehydes and …