42908-58-7Relevant articles and documents
Regioselective annulation of unsymmetrical 1,2-phenylenebis(diaryl/diheteroarylmethanol): A facile synthesis of anthracene, tetracene, and naphtho[b]thiophene analogues
Sivasakthikumaran, Ramakrishnan,Rafiq, Settu Muhammad,Sankar, Elumalai,Clement, J. Arul,Mohanakrishnan, Arasambattu K.
, p. 7816 - 7835 (2015/12/31)
A systematic study on the regioselective cyclization of benzene- and naphthalene-based unsymmetrical diols with HBr (33 %) in acetic acid at room temperature led to the formation of annulation products. By using this method, synthesis of a wide variety of anthracene, tetracene and naphtho[b]thiophene analogues was achieved in good to excellent yields. By employing HBr (33 %) in acetic acid as a catalyst for regioselective cyclization of unsymmetrical diols was very facile and devoid of commonly encountered dihydroisobenzofuran formation. Regioselective cyclization of benzene- and naphthalene-based unsymmetrical diols with HBr (33 %) in acetic acid at room temperature led to the formation of annulated arenes and heteroarenes in good to excellent yields.
Synthesis and Reaction of α,α'-Diphenylphthalyl Bromide with Disodiumtetracarbonylferrate
Azam, K. A.,Hashem, M. A.,Kazi, A. B.,Molla, A. H.,Ullah, S. S.
, p. 662 - 664 (2007/10/02)
Reaction of α,α'-diphenylphthalyl bromide (II) with disodiumtetracarbonylferrate occurs in a stereospecific manner to give the ?-bonded complex (III) in which Kekule structure of the benzene ring is destroyed.
