22760-18-5Relevant articles and documents
Analgesic and myotonolytic preparations
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, (2008/06/13)
Compositions having enhanced analgesic and myotonolytic activity comprising as active agents (a) an analeptically active quinazolinone and (b) a centrally acting myotonolytic.
Process for preparing 2(1H)-quinazolinone derivatives
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, (2008/06/13)
2(1H)-Quinazolinone and quinazolinethione derivatives having excellent pharmacological activities are produced in high yield with high purity by heating the corresponding 3,4-dihydro-2(1H)-quinazolinone or quinazolinethione derivatives together with sulfur in an inert solvent.
Preparation of quinazolin-2(1H)-ones
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, (2008/06/13)
Quinazoline-2(1H)-ones are prepared by dehydrogenating a 5,6,7,8-tetrahydro-2(1H)-quinazolinone with sulfur in the presence of a metal oxide, hydroxide or halide.