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Article
Preparation of 2-Isopropylthiamo rpholin-3-one-5-carboxylic Acid
ISOVALTHINE is a new sulphur-containing amino-acid which is isolated from the urine of hypercholesterolæmic patients1,2. A molecular model of isovalthine suggests a possibility of forming a thiamorpholinone deriv...
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Article
Configuration of Urinary Isovalthine
ISOVALTHINE crystals first isolated from urine were rhombic plates which gave DL-alanine after treatment with Raney nickel. Needle-shaped crystals were obtained by condensation of L-cysteine and (±)-α-bromoisoval...