title: Novel approach for the synthesis of pyrrolo[2,1-c][1,4]benzoxazines and pyrrolo[1,2-a]quinoxalines.
abstract: An efficient synthesis of alkyl 4,5-dihydro-4-oxo-2-phenylpyrrolo[2,1-c][1,4]benzoxazine-3-carboxylates and alkyl 4,5-dihydro-4-oxo-2-phenylpyrrolo[1,2-a]quinoxaline-3-carboxylates is described. This involves a three-component reaction between o-aminophenols or o-phenylenediamine, acetylenic esters and β-nitrostyrene derivatives using p-toluene sulfonic acid as a catalyst.
authors.forename: Tayebeh
authors.initials: T
authors.lastname: Sanaeishoar
authors.forename: Somayeh
authors.initials: S
authors.lastname: Adibi-Sedeh
authors.affiliation: Chemistry Department, Science and Research Branch, Islamic Azad University, Khouzestan, Iran. t.sanaei@khouzestan.srbiau.ac.ir.
authors.forename: Saghar
authors.initials: S
authors.lastname: Karimian
mesh_terms: D000627:Aminophenols / Q000737:chemistry; D001557:Benzenesulfonates / Q000737:chemistry; D048588:Benzoxazines / Q000138:chemical synthesis* / Q000737:chemistry; D002264:Carboxylic Acids / Q000138:chemical synthesis / Q000737:chemistry; D010655:Phenylenediamines / Q000737:chemistry; D011758:Pyrroles / Q000138:chemical synthesis / Q000737:chemistry; D011810:Quinoxalines / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D000627:Aminophenols; D001557:Benzenesulfonates; D048588:Benzoxazines; D002264:Carboxylic Acids; D010655:Phenylenediamines; D011758:Pyrroles; D011810:Quinoxalines; C027667:2-aminophenol; C034193:1,2-diaminobenzene; C029501:4-toluenesulfonic acid