Structural Insight Into Oxybenzotriazole Based Coupling Reagents

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Present work encompasses a detailed solution and solid phase NMR spectroscopic studies on oxybenzotriazole based coupling reagents namely HBTU (1), NBTU (2) and BOP (3). The present finding unequivocally establish that the correct structure of oxybenzotriazole based coupling reagents both in the solution and solid states are benzotriazolyl N-oxides as shown in 1a, 2a and 3a and not the uronium form as represented in the current literature.

Keywords: Oxybenzotriazole Based Coupling Reagents

Document Type: Review Article


Publication date: February 1, 2001

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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