Structure Determination of Diastereoisomeric Thia-Michael Bis-adducts of Methyl (5-Methylidene-4-oxocyclopent-2-en-1-yl)acetate with Ethanethiol View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2019-03

AUTHORS

A. N. Lobov, N. S. Vostrikov, Z. R. Makaev, Yu. N. Biglova, L. V. Spirikhin, M. S. Miftakhov

ABSTRACT

Three of the four possible diastereoisomeric thia-Michael addition products of the reaction of methyl (5-methylidene-4-oxo-cyclopent-2-en-1-yl)acetate with ethanethiol have been isolated and characterized. The major diastereoisomer is all-trans, while the overall fraction of the minor cis,trans and trans,cis isomers does not exceed 30%. The diastereoisomer structure has been determined on the basis of characteristic coupling constants of CH protons of the cyclopentane ring in the 1H NMR spectra. More... »

PAGES

330-334

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070428019030096

DOI

http://dx.doi.org/10.1134/s1070428019030096

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1113982067


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