Technical Intelligence & Insights
Explore our curated collection of technical analyses and commercial scale-up strategies specifically focused on Dihydroquinazolinone. These insights are designed to support R&D and procurement teams in optimizing their supply chains.
Patent CN110776470B details an iridium-catalyzed asymmetric hydrogenation method for chiral 3,4-dihydroquinazolinones with up to 98% ee, offering a scalable route for API intermediates.
Patent CN105732521B reveals a metal-free TEMPO catalytic route for dihydroquinazolinone derivatives, offering high purity and cost reduction in pharmaceutical intermediate manufacturing.
Patent CN110372611A reveals green solvent-free synthesis using heteropolyacid ionic liquids for high-purity quinazolinone intermediates ensuring cost reduction and supply reliability.
Patent CN106496146A reveals a sulfonic acid ionic liquid catalyzed method for high-yield quinazolinone synthesis, offering cost reduction and supply chain reliability for pharma intermediates.
Patent CN105732521A reveals a metal-free TEMPO catalytic route for dihydroquinazolinone derivatives, offering significant cost reduction and supply chain reliability for pharmaceutical intermediates.
Novel one-step nickel catalysis replaces toxic cyanogen bromide. High yield, mild conditions for reliable pharmaceutical intermediate manufacturing.
Patent CN108558778B details a green one-pot synthesis of dihydroquinazolinones using o-nitrobenzonitrile, offering cost-effective manufacturing for pharmaceutical intermediates.