The annular desmotropy of S-methyl-5,5-diphenyl-2-thiohydantoin |
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| Authors: | K. Lempert J. Nyitrai K. Zauer A. Kálmán Gy. Argay A.J.M. Duisenberg P. Sohár |
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| Affiliation: | Department of Organic Chemistry, Technical University, 1111 Budapest XI., Gellért tér 4., Hungary;Central Research Institute for Chemistry, Hungarian Academy of Sciences, 1525 Budapest, POB 17., Hungary;Laboratorium voor Kristalchemie der Rijksuniversiteit Utrecht, Catharijnesingel 51/52., The Netherlands;Research Institute for Pharmaceutical Chemistry, Budapest, Hungary |
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| Abstract: | The separate existence of two individual desmotropic forms (2a and b) of the S-Me derivative of 5,5-diphenylthiohydantoin which had been originally claimed on the basis of IR evidence, has been proved by X-ray molecular structure determination. This is the established case of annular desmotropy in the azole field. |
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