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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Curr Protoc Chem Biol. 2019 Jan 15;11(1):e61. doi: 10.1002/cpch.61

Figure 5:

Figure 5:

On-resin acylation with 4-nitrophenylchloroformate and subsequent formation of the N-acyl benzimidazolinone species by treatment with base (DIEA). The activated MeDbz peptide is then ready for standard TFA cleavage, lyophilization, purification and NCL.