CN102344411B - 一种制备2,6-二甲氧基-3,5-二氨基吡啶盐酸盐的方法 - Google Patents
一种制备2,6-二甲氧基-3,5-二氨基吡啶盐酸盐的方法 Download PDFInfo
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CN 201110217765 CN102344411B (zh) | 2011-08-01 | 2011-08-01 | 一种制备2,6-二甲氧基-3,5-二氨基吡啶盐酸盐的方法 |
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CN 201110217765 CN102344411B (zh) | 2011-08-01 | 2011-08-01 | 一种制备2,6-二甲氧基-3,5-二氨基吡啶盐酸盐的方法 |
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CN102344411A CN102344411A (zh) | 2012-02-08 |
CN102344411B true CN102344411B (zh) | 2013-05-15 |
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CN104341337B (zh) * | 2014-09-27 | 2017-03-15 | 安徽金禾实业股份有限公司 | 一种吡啶盐成品的脱色方法 |
CN114621096A (zh) * | 2020-12-11 | 2022-06-14 | 余购粮 | 一种3,5-二甲基-1,2-苯二胺二盐酸盐的合成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5082467A (en) * | 1990-02-08 | 1992-01-21 | Kao Corporation | Dye composition for keratinous fibers |
US5743919A (en) * | 1994-03-17 | 1998-04-28 | Henkel Kommanditgesellschaft Auf Aktien | Isatin derivatives for coloring keratin-containing fibers |
EP1586303A1 (fr) * | 2004-04-05 | 2005-10-19 | L'oreal | Composition tinctoriale comprenant au moins une base d'oxydation diaminopyrazole et au moins un coupleur 6-alcoxy-2,3-diaminopyridine |
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DE10032134C1 (de) * | 2000-07-01 | 2001-12-13 | Wella Ag | 2-Hydroxy-5-amino-biphenyl-Derivate sowie diese Verbindungen enthaltende Oxidationshaarfärbemittel |
FR2953517B1 (fr) * | 2009-12-07 | 2012-04-27 | Oreal | Nouvelles amino-pyridines cationiques, composition tinctoriale comprenant une amino-pyridine cationique, procedes et utilisations |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5082467A (en) * | 1990-02-08 | 1992-01-21 | Kao Corporation | Dye composition for keratinous fibers |
US5743919A (en) * | 1994-03-17 | 1998-04-28 | Henkel Kommanditgesellschaft Auf Aktien | Isatin derivatives for coloring keratin-containing fibers |
EP1586303A1 (fr) * | 2004-04-05 | 2005-10-19 | L'oreal | Composition tinctoriale comprenant au moins une base d'oxydation diaminopyrazole et au moins un coupleur 6-alcoxy-2,3-diaminopyridine |
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