IMINOTHIOLACTONE-THIOLACTAM REARRANGEMENT IN THE SYNTHESIS OF 4-AMINO-6-THIOXO-3,7,9-TRIAZATRICYCLO[6.2.1.0<sup>1,5</sup>]UNDEC-4-ENE-2,10-DIONES
DOI:
https://doi.org/10.1007/4083Keywords:
iminothiolactone, Lawesson's reagent, spiroheterocycles, sulfur heterocycles, thiolactam, rearrangementAbstract
The reaction of 4-amino-8-hydroxy-1,6-dioxo-2,7-diazaspiro[4.4]non-3-ene-4-carbonitriles with Lawesson's reagent proceeded as an iminothiolactone-thiolactam rearrangement, leading to the formation of 4-amino-6-thioxo-3,7,9-triazatricyclo[6.2.1.01,5]undec-4-ene-2,10-diones.
Authors: Sergey V. Fedoseev*, Mikhail Yu. Belikov, Oleg V. Ershov, Victor A. Tafeenko
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Published
2017-10-10
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Original Papers