Bridgehead nitrogen heterocycles 3a, b and 6a, b containing the thieno-pyrimidine system have been prepared from the versatile intermediates 3-amino-2,3-dihydro-5,6-dimethyl-2-thioxo-thieno[2,3-d]pyrimidin-4-(1H)-one 1 and its hydrazinium or potassium salts 4; their structural elucidation is also reported.
New synthetic approaches to bridgehead nitrogen heterocycles derived from 3-amino-2,3-dihydro-5,6-dimethyl-2-thioxo-thieno[2,3-d]pyrimidin-4(1H)-one and its salts
SANTAGATI, Andrea
;MODICA, Maria Nunziata;
2000-01-01
Abstract
Bridgehead nitrogen heterocycles 3a, b and 6a, b containing the thieno-pyrimidine system have been prepared from the versatile intermediates 3-amino-2,3-dihydro-5,6-dimethyl-2-thioxo-thieno[2,3-d]pyrimidin-4-(1H)-one 1 and its hydrazinium or potassium salts 4; their structural elucidation is also reported.File in questo prodotto:
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60 2000 J. Heterocycles.,37,1161-1164, (2000).pdf
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