TY  - JOUR 
T1  - Poly(N,N'-dichloro-N-ethyl-benzene-1, 3-disulfonamide) and N,N,N',N'-tetrachlorobenzene-1,3-disulfonamide as novel catalytic reagents for synthesis of bis-indolyl, tris-indolyl, di(bis-indolyl), tri(bis-indolyl) and tetra(bis-indolyl)methanes under solid-state, solvent and water conditions
JO  - Journal of the Brazilian Chemical Society
A1  - Ghorbani-Vaghei, Ramin
A1  - Veisi, Hojat
SN  - 0103-5053
UL  - 10.1590/S0103-50532010000200002
VL  - 21 
Y1  - 2010
PB  - Brazil 
ER  -