Characterization, and crystal structure of thiophenyl-2-methylidene-2- aminophenol

The Schiff base thiophenyl-2-methylidene-2-aminophenol (ImineOH) is obtained from a stoichiometric mixture of 2-thiophenecarboxaldehyde and 2-aminophenol in ethanol under reflux at 90 C. Its crystal structure is determined by single crystal X-ray diffraction. ImineOH packs in an orthorhombic unit cell in the Pbca space group with the unit cell parameters a = 16.942(4) Å, b = 13.4395(11) Å, and c = 17.5857(12) Å, V = 4004.1(10) Å3, Z = 16. Strong hydrogen bonds are present in the ImineOH structure. Apart from the X-ray study, ImineOH was characterized by elemental analysis (CHN-S) and FT-IR (4000 cm-1 to 400 cm-1), UV-Vis and 13C, 1H, and 15N NMR spectroscopic measurements. © 2013 Pleiades Publishing, Ltd.

Acta resumida de la 69a sesión celebrada La Paz el martes 28 de mayo de 1957 a las 16.55 horas

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Summary Record of the Sixty-Ninth Meeting Held at La Paz on Tuesday, 28 May 1957, at 4.55 p.m.

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Informe bienal (28 abril 1988-11 mayo 1990) = Biennial report (28 April 1988-11 May 1990) = Rapport biennal (28 avril 1988-11 mai 1990)

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Informe bienal (28 abril 1994-20 abril 1996) = Biennial report (28 April 1994-20 April 1996) = Rapport biennal (28 avril 1994-20 avril 1996)

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