1072-12-4Relevant articles and documents
IMAGING AGENTS
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Paragraph 0088, (2017/05/17)
The present invention provides certain thiosemicarbazone metal complexes which have advantageous properties in medical imaging. The thiosemicarbazone metal complexes can be safely and easily produced in real time, administered quickly after production, readily cross the blood-brain barrier, and may utilize a number of different radionuclides.
Unexpected Formation of Thioglycolurils Precursors
Gazieva, Galina A.,Kravchenko, Angelina N.
, p. 1858 - 1863 (2015/11/09)
Unexpectedly, nitrosation of 5,7-dialkyl-3-thioxoperhydroimidazo[4,5-e]-1,2,4-triazine-6-ones(thiones) with sodium nitrite in glacial AcOH led to 3,3′-bis(5,7-dialkyl-1-nitroso-6-oxo(thioxo)-1,4,4a,5,7,7a-hexahydroimidazo[4,5-e]-1,2,4-triazinyl)disulfides that decomposed spontaneously into 1,3-dialkyl-5-thioxohexahydroimidazo[4,5-d]imidazol-2(1H)-ones(thiones) in DMSO-d6 in the presence of water.
Unexpected formation of 4-alkyl-5-(4-alkylthiosemicarbazido)-4,5-dihydro-1, 2,4-triazine-3(2H)-thiones from 1,3-dialkyl-4,5-bis-(4-alkylthiosemicarbazido) imidazolidin-2-ones in acidic medium
Gazieva, Galina A.,Poluboyarov, Pavel A.,Kolotyrkina, Natal'ya G.,Lubuzh, Elena D.,Kravchenko, Angelina N.
, p. 42 - 44 (2014/02/14)
4-Alkyl-5-(4-alkylthiosemicarbazido)-4,5-dihydro-1,2,4-triazine-3(2H) -thiones are obtained either by heating 1,3-dialkyl-4,5-bis-(4- alkylthiosemicarbazido)imidazolidin-2-ones in acidic medium or the reaction of 1,3-dialkyl-4,5-dihydroxyimidazolidin-2-on