Blog - Amino Acids

25/03/2026

The Endless Variability of Piperidine-Based Amino Acids

Pipecolic, nipecotic, and homonipecotic acid are the basic motifs that combine piperidine with carboxylic acids. And they are only the starting points for countless MedChem building blocks.
25/03/2026

Proximity-Induced SuFEx Click Chemistry

Fluorosulfate-tyrosine (OSF-Tyr) brings reactive docking sites into proteins and peptides. Discover this “click-type” and learn how proximity-activated SuFEx chemistry enables covalent modification.
25/02/2026

Hydrazide as Asp Side-Chain Protecting Group

Keep your peptide synthesis clean – prevent aspartimide formation by using our novel aspartic acid hydrazide building block Fmoc-L-Asp(NH-NMe-Boc)-OH. Read our blog for more information!
11/02/2026

Masking the Peptide Backbone in SPPS

Backbone protecting groups provide peptides with temporary disguise: they mask backbone amides to control reactivity and suppress aggregation until synthesis is complete. Learn more!
11/02/2026

PotM: Staple and Watch your Peptide in One

Diyne-girder bridged stapled peptides in the ideal helical geometry are accessible through our new alkyne functionalized building block. They can be watched by Raman microscopy.
28/01/2026

PotM: A Tripeptide Pseudoproline Building Block

Pseudoprolines act as molecular hinges: introducing precise turns that disrupt early folding and reduce aggregation in challenging peptide sequences. Read on to learn how they work!
03/12/2025

Escaping Aggregation: Traceless Linkers for Hydrophobic Peptides

Struggling with aggregating peptides or poor solubility? Take the rescue route: introduce solubility tags with our removable linkers. Learn more about your linker choices in our blog.
03/12/2025

PotM: Small Dyes, Bright Colors

Solvatochromic dyes of our building blocks provide a fluorescent color palette that enables the integration of sensitive optical sensors into peptides, proteins, and other organic systems. 
08/10/2025

Advanced Side-Chain Protection with THP and Trt

Replace tBu with THP or Trt and give your amino acids a smarter protection, removable under milder acidic conditions to minimize side products. Learn more in our latest publication!
24/09/2025

Products for Green Peptide Chemistry

Recent years have seen major advances in greener peptide synthesis. To highlight such products, we introduced the category "Green Chemistry" on our website.