Absolute configurations of diastereomeric esters of 1,4-tetrahydrothiazine-3,5-dicarboxylic acid |
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| Authors: | A. V. Eremeev R. Nurdinov F. D. Polyak É. É. Liepin'sh A. V. Mishnev M. F. Bundule Ya. Ya. Bleidelis |
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| Affiliation: | (1) Institute of Organic Synthesis, Academy of Sciences of the Latvian SSR, 226006 Riga |
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| Abstract: | ![]()
The reaction of dimethyl 1,4-tetrahydrothiazone-3,5-dicarboxylate with phenyl isocyanate and phenyl isothiocyanate leads to 2,4-dioxo-3-phenyl-9-methoxycarbonyl-7-thia-1,3-diazabicyclo[3.4.O]nonane and its thioxo analog. It is shown that only the trans isomer of the starting diester undergoes the reaction.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1056–1059, August, 1985. |
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