Unnatural Alanine and Cysteine Derivatives Obtained by Fermentation

ChemFiles Volume 5 Article 12

Sigma-Aldrich offers a unique selection of unnatural amino acid derivatives in collaboration with WACKER Fine Chemicals. They have developed a fermentation process for the commercial production of the amino acid L-cysteine that represents an excellent platform for the biotechnological synthesis of enantiopure unnatural alanine and cysteine derivatives.

In addition to our portfolio of free alanine and cysteine derivatives, Nα-Boc and Nα-Fmoc-protected derivatives of 3-pyrazolyl-alanine and 3-triazolyl-alanine are now available to Sigma-Aldrich customers worldwide under this collaboration.

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