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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Preparation of chiral alpha-hydroxy-beta-dicarbonyl compound involves reacting quinine derivative as catalyst with substrate and oxidizing agent in inert reaction solvent. 专利 申请日期: 2015-01-01, 公开日期: 2015-12-16 作者:  CHEN S LIU G MENG Q WANG Y YANG F T 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/09 New tartaric acid skeleton-containing chiral guanidine catalyst is obtained by reacting chiral thiourea compound with amine, cuprous chloride and potassium carbonate. 专利 申请日期: 2013-01-01, 公开日期: 2013-09-04 作者:  WANG B QU J ZOU L MU H ZHANG H 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/13 Preparing chiral alpha-hydroxy-beta-keto ester compound using chiral beta-alkoxy-beta'-amino alcohol as a catalyst, comprises reacting beta-keto ester compound and an oxidant in the presence of the catalyst in an inert solvent. 专利 申请日期: 2010-01-01, 公开日期: 2010-09-29 作者:  MENG Q GONG B DU J SU T 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/24 Preparation of chiral alpha-hydroxyl-beta-dicarbonyl compound comprises mixing lappaconitine as catalyst and beta-dicarbonyl compound and oxidant in inert solvent, and tracing reaction using thin layer chromatography. 专利 申请日期: 2009-01-01, 公开日期: 2009-08-12 作者:  DOU J GAO Z GONG B LIAN M MENG Q SU 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/24 Preparing the compound of chiral 2-hydroxyl acenaphthenone comprises putting crushed fresh plant and water into a reactor, adding an acenaphthenone compound to the reactor, adding diatomite to the reaction system, and stirring and filtering. 专利 申请日期: 2009-01-01, 公开日期: 2009-07-29 作者:  CUI J QIAN X WANG X XU X 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/24