Synthesis of Arylamino-thieno-oxobutanamides and Reactivity Studies on the Cyclisation with the Lawesson's Reagent

M. Raposo; Ana Sampaio; G. Kirsch

doi:10.3390/ecsoc-8-01947

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Synthesis of Arylamino-thieno-oxobutanamides and Reactivity Studies on the Cyclisation with the Lawesson's Reagent

M. Manuela M. Raposo

^{*

1},

Ana M.B.A. Sampaio

¹,

G. Kirsch

¹ Departamento de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
² Laboratoire d´Ingénierie Moléculaire et Biochimie Pharmacologique, Université de Metz 1, Boulevard Arago, Metz Technopôle, 57078 Metz Cedex 3, France

Published: 01 November 2004 by MDPI in The 8th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-8-01947

Abstract: 1-aryl-2-thienyl-substituted pyrroles and 5-arylamino-2,2´-bithiophenes were synthesized by treatment of arylamino-thieno-oxobutanamides with Lawesson´s reagent. These in turn were prepared by direct amidation of 4-oxo-(2-thienyl)butanoic acid through DCC/BtOH mediated reactions.

Keywords: arylamino-thieno-oxobutanamides, Lawesson´s reagent, 1-aryl-2-(2´-thienyl)pyrroles, 5-arylamino-2,2´-bithiophenes, non-linear optical material, NLO applications.

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M. Raposo

Ana Sampaio

G. Kirsch