Abstract
The compounds 5(2-thienyl)-and 5(3-thienyl)-dipyrromethane (1 and2, respectively) have been synthesized and isolated from the acid-catalyzed reaction between thiophenes-carboxaldehyde and pyrrole. Characterization by X-ray diffraction confirms molecular structures involving twoortho-substituted pyrrolyl and one thienyl groups. Both the compounds1 and2 were crystallized in the monoclinic space groupP21/n with cell parametersa = 5.7149(16) A,b = 17.338(6) A, andc = 11.785(4) A, β = 98.466(9)∘,V = 1155.0(6) A3 for compound1; anda = 5.828(4) A,b = 17.424(10) A,c = 11.822(8) A, β = 98.10(2)∘, andV = 1188.4(13) A3 for compound2.
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