caa a22 4500 60553019X CHVBK 20210128100822.0 cr unu---uuuuu 210128e20150401xx s 000 0 eng 10.1134/S1070428015040156 doi (NATIONALLICENCE)springer-10.1134/S1070428015040156 Reaction of (2 R ,4 S )-2-alkyl-6-oxohexahydropyrimidine-4-carboxylic acids with phenyl isothiocyanate [Elektronische Daten] [D. Nasledov, A. Ershov, V. Polukeev, L. Kuleshova, V. Shamanin] Optically pure (2S,4S)-2-alkyl-6-oxo-3-(phenylcarbamothioyl)hexahydropyrimidine-4-carboxylic acids have been synthesized from natural L-asparagine, commercially available aldehydes, and phenyl isothiocyanate. The product structure was confirmed by 1H and 13C NMR data. Pleiades Publishing, Ltd., 2015 Nasledov D. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut Ershov A. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut Polukeev V. VEKTON Closed Corporation, Suvorovskii pr. 36A, 191015, St. Petersburg, Russia aut Kuleshova L. Pavlov Ryazan State Medical University, ul. Vysokovol'tnaya 9, 390026, Ryazan, Russia aut Shamanin V. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut Russian Journal of Organic Chemistry Pleiades Publishing 51/4(2015-04-01), 552-555 1070-4280 51:4<552 2015 51 11178 https://doi.org/10.1134/S1070428015040156 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1134/S1070428015040156 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nasledov D. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Ershov A. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Polukeev V. VEKTON Closed Corporation, Suvorovskii pr. 36A, 191015, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Kuleshova L. Pavlov Ryazan State Medical University, ul. Vysokovol'tnaya 9, 390026, Ryazan, Russia aut NATIONALLICENCE 700 1- Shamanin V. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol'shoi pr. V.O. 31, 199004, St. Petersburg, Russia aut NATIONALLICENCE 773 0- Russian Journal of Organic Chemistry Pleiades Publishing 51/4(2015-04-01), 552-555 1070-4280 51:4<552 2015 51 11178