TY - JOUR T1 - Facile and mild deprotection of semicarbazones under solvent-free conditions with N,N,N',N'-tetrabromo-benzene-1,3-disulfonylamide JO - Journal of the Brazilian Chemical Society A1 - Ghorbani-Vaghei, Ramin A1 - Shahbazee, Elham SN - 0103-5053 UL - 10.1590/S0103-50532005000400025 VL - 16 Y1 - 2005 PB - Brasil ER -