TY  - JOUR
TI  - Efficient synthesis of tetrahydrobenzo[b]pyran derivatives catalyzed by poly(4-vinylpyridine) as a green and heterogeneous recyclable basic catalyst under solvent-free condtions
JO  - Iranian Journal of Organic Chemistry
VL  - 5
IS  - 3
SP  - 0
EP  - 0
PY  - 2013
DO  - 
ER  -