Fmoc-D-Thz(Me2)-OH

Chemical name: (S)-N-(9-Fluorenylmethyloxycarbonyl)-2,2-dimethyl-thiazolidine-4-carboxylic acid // Synonyms: Fmoc-(4-S)-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid, Fmoc-D-Cys(PsiMe,MePro)-OH, Fmoc-D-Cys(PsiMe,MePro), Fmoc-D-Cysteine Pseudoproline

  • Product code:FAA3160
  • CAS No.:1932198-36-1
  • Formula:C21H21NO4S
  • Molecular weight:383.46 g/mol

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description

A cysteine pseudoproline with short deprotection times in TFA.  Deprotected procedure: Dry resin (5 mg) was treated with TFA/TIS/H2O (95:2.5:2.5) for several hours at rt. The cleavage mixture was evaporated with a stream of argon, precipitated with Et2O, centrifuged and the pellet was redissolved in H2O/CH3CN (1:1) for analysis by HPLC and LCMS. The deprotection time and temperature is sequence-dependent.



references

Cysteine Pseudoprolines for Thiol Protection and Peptide Macrocyclization Enhancement in Fmoc-Based Solid-Phase Peptide Synthesis. Tobias M. Postma, Fernando Albericio; Org. Lett. 2014; 16(6): 1772-1775. DOI: 10.1021/ol5004725


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