ScienceDirect - Tetrahedron Letters : The synthesis of aza-β-lactams via tandem Petasis–Ugi multi-component condensation and 1,3-diisopropylcarbodiimide (DIC) condensation reaction

Tetrahedron Letters
Volume 44, Issue 33, 11 August 2003, Pages 6297-6300

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doi:10.1016/S0040-4039(03)01524-7

The synthesis of aza-β-lactams via tandem Petasis–Ugi multi-component condensation and 1,3-diisopropylcarbodiimide (DIC) condensation reaction

Dinabandhu Naskar^a^,^,^,, Amrita Roy^a, William L. Seibel^b, Laura West^b and David E. Portlock^b^,^†

^aChembiotek Research International, Block BN, Sector-V, Plot 7, Salt Lake Electronic Complex, Kolkata 700 091, India ^bCombinatorial Chemistry Section, Procter & Gamble Pharmaceuticals, Health Care Research Center, 8700 Mason Montgomery Road, Mason, OH 45040, USA

Received 27 May 2003;

revised 16 June 2003;

accepted 18 June 2003.

Available online 19 July 2003.

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Abstract

The synthetic utility of a tandem Petasis–Ugi multi-component condensation and 1,3-diisopropylcarbodiimide condensation reactions have been employed to efficiently prepare two to four-dimensional libraries of aza-β-lactams.

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