Tetrahedron Letters, 1975, (24), 1985-1988
R. GALLO, A. LIDEN, C. ROUSSEL, J. SANDSTROM et J. METZGER
« Evidence for hindered rotation of ethyl groups around sp2-sp3 bonds : N-alkyl-delta-4-thiazolin-2-thiones »

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J. Chem. Soc. Perkin II, 1975, 1692-1694
R.E. CARTER, T.DRAKENBERG et C. ROUSSEL
« Hindered internal rotation in 3,4-diisopropyl-delta-4-thiazolin-2-thione from temperature dependent n.m.r. spectra of five different groups of proton : a methodological study »

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