List of Articles Pechmann condensation Open Access Article Abstract Page Full-Text 1 - Salicylic acid an efficient organocatalyst for synthesis of coumarins Rushikesh Mane Pramod Kulkarnia Open Access Article Abstract Page Full-Text 2 - AlCl3 supported on nano silica as an efficient catalyst for the preparation of coumarin Leila Sarami Elham Tahanpesar Open Access Article Abstract Page Full-Text 3 - AlCl3 supported on nano silica as an efficient catalyst for the preparation of coumarin Leila Sarami Elham Tahanpesar