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Synlett 1997; 1997(SI): 521-522
DOI: 10.1055/s-1997-6138
DOI: 10.1055/s-1997-6138
letter
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One-Pot Conversion of α-Thioureido Esters to Imidazol-2-ones and Imidazole-2-thiones
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
4-Hydroxyimidazolidin-2-ones and 4-hydroxyimidazolidine-2-thiones are obtained by treatment of N-(aminocarbonyl)-α-amino esters and N-(aminothiocarbonyl)-α-amino esters with diisobutylaluminum hydride (DIBAH). These substances are transformed to imidazol-2-ones and imidazole-2-thiones upon acidic workup.
imidazol-2-one - imidazole-2-thione - angiotensin II