专利号:US-8012220-B2 优先权日:2006-04-13 标题 :Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres 发明人:DAVID HERVE; MURGUET NADEGE; GREAVES ANDREW 权利人:OREAL 摘要:The present disclosure relates to monocationic monochromophoric compounds of formula (I) and (II) and dyeing compositions and multicompartment devices comprising monocationic monochromophoric compounds of formula (I) and (II). The disclosure also relates to methods for preparing monocationic monochromophoric compounds of formula (I) and (II), and also to methods for dyeing comprising applying monocationic monochromophoric compounds of formula (I) and (II) to keratin fibers.
专利号:CN-114573631-A 优先权日:2022-03-10 标 题:A method for one-step synthesis of paclitaxel side chain and analogs thereof by utilizing three-component reaction and application thereof
专利号:US-2009300856-A1 优先权日:2006-04-13 标题 :Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres