Pseudopeptides Containing Isothiazolidine-1,1-dioxide-3-carboxylic Acid: Synthesis and Properties of (S)-Isothiazolidine-1,1-dioxide-3-carboxylic Acid, a New γ - Sultam Analogue of Pyroglutamic Acid

Separation of (R)- and (S)-tert-butyl 2-

Separation of (R)- and (S)-tert-butyl 2-tert-butyl-4-methoxy-2,5-dihydro-1,3-imidazole-1-carboxylate (building block for amino acid synthesis) by preparative high performance liquid chromatography on a polysaccharide stationary phase

✍ Matthias Hoffmann; Stefan Blank; Dieter Seebach; Ernst Küsters; Emil Schmid 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB 👁 1 views

The preparative separation of the enantiomers of the title compound, a versatile chiral building block for the synthesis of unnatural amino acid esters, by high performance liquid chromatography on a chiral stationary phase (CSP), is reported for the first time. The CSP consists of amylose-(3,5-dime