Facile N-Urethane-Protected α-Amino/Peptide Thioacid Preparation Using EDC and Na₂S

On page 92 reference 27b) was incorrect. The correct version is given below:

(27) (b) For the preparation of O,N-bis-TMS-amino acids, see: Tantry, S. J.; Vasanthakumar, G.-R.; Sureshbabu, V. V. Synthesis of peptides employing 9-fluorenylmethyl chlororoformate as a coupling agent (2003) Letters in Peptide Science 10 (1), pp. 51-55.