Synthesis of 1H-[1]benzopyrano[4,3-b]pyrrole and 4H-thieno[3,2-c][1]benzopyran derivatives. Functionalisation by aromatic electrophilic substitution

1. Navarro, R.A.
2. Bleye, L.C.
3. González-Ortega, A.
4. Sañudo Ruíz, M.Carmen