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A novel heterospirocyclic 2H-Azirin-3-amine as synthon for 3-Aminothiolane-3-carboxylic acid


Räber, J L; Brun, K A; Heimgartner, H (2007). A novel heterospirocyclic 2H-Azirin-3-amine as synthon for 3-Aminothiolane-3-carboxylic acid. Heterocycles, 74(1):397-409.

Abstract

The heterospirocyclic 2H-azirin-3-amine (9), i.e., N-methyl-N-phenyl-5-thia-1-azaspiro[2.4]hept-1-en-2-amine, was prepared from the commercially available thiolane-3-one (10) via the corresponding 3-carbonitrile (11) and 3-thiocarboxamide (14). This azirine reacted with thiobenzoic acid to give 3-benzoylamino-N-methyl-N-phenylthiolane-3-thiocarboxamide (15). With N-protected valine, the protected dipeptides (16) and (17), which contain a heterocyclic amino acid, were obtained as mixtures of diastereoisomers.

Abstract

The heterospirocyclic 2H-azirin-3-amine (9), i.e., N-methyl-N-phenyl-5-thia-1-azaspiro[2.4]hept-1-en-2-amine, was prepared from the commercially available thiolane-3-one (10) via the corresponding 3-carbonitrile (11) and 3-thiocarboxamide (14). This azirine reacted with thiobenzoic acid to give 3-benzoylamino-N-methyl-N-phenylthiolane-3-thiocarboxamide (15). With N-protected valine, the protected dipeptides (16) and (17), which contain a heterocyclic amino acid, were obtained as mixtures of diastereoisomers.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2007
Deposited On:20 Oct 2011 11:52
Last Modified:05 Apr 2016 15:02
Publisher:Elsevier
ISSN:0385-5414
Funders:Professor Hans E. Schmid - Stiftung, Zürich, F. Hoffmann-La Roche AG, Basel
Publisher DOI:https://doi.org/10.3987/COM-07-S(W)18

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