TY  - JOUR
AU  - Niknam, Khodabakhsh
AU  - Sajadi, Seyed Ahmad
AU  - Hosseini, Roghayeh
AU  - Baghernejad, Mojtaba
TI  - Silica-bonded n-propyldiethylenetriamine sulfamic acid as a recyclable solid acid catalyst for the synthesis of coumarin and biscoumarin derivatives
JO  - Iranian Journal of Catalysis
VL  - 4
IS  - 3
SP  - 163
EP  - 173
PY  - 2014
DO  - 
ER  -