Abstract
A novel synthesis of 2-substituted 2H-imidazo[1,5-b]isoquinoline-1,5-diones by reductive desulfurization of a variety of 2-substituted 3-thioxo-2H-imidazo[1,5-b]isoquinoline-1,5-diones is reported with nickel boride in dry methanol at ambient temperature.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 404–408, March, 2008.
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Khurana, J.M., Sharma, V. A novel synthesis of 2-substituted 2H-imidazo[1,5-b]isoquinoline-1,5-diones by in situ desulfurization. Chem Heterocycl Comp 44, 309–313 (2008). https://doi.org/10.1007/s10593-008-0045-1
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DOI: https://doi.org/10.1007/s10593-008-0045-1