Pharma Research Library | Pharma Info Index Research | Innovation | Opportunities |

M. A. Nasseri*, E. Vahedi, B. Zakeri Nasab, A. Allahresani Department of Chemistry, College of Sciences, University of Birjand, Birjand- 97175-615, Iran Abstract A mild and green procedure is presented for the preparation of biologically interesting hydroxyl xanthones and hydroxyl thioxanthones via condensation of salicylic acid / thiosalicylic acid with phenol derivatives in the presences of ZrCl4 under microwave-assisted ionic ... Read More »