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公开(公告)号:US06852859B2
公开(公告)日:2005-02-08
申请号:US10335102
申请日:2002-12-31
申请人: Mihir Kanti Choudhuri , Sanjay Kumar Dehury , Upasana Bora , Jayashree Nath , Boyapati Manoranjan Choudhary , Lakshmi Kantam Mannepalli
发明人: Mihir Kanti Choudhuri , Sanjay Kumar Dehury , Upasana Bora , Jayashree Nath , Boyapati Manoranjan Choudhary , Lakshmi Kantam Mannepalli
IPC分类号: C07D213/18 , C07F15/00
CPC分类号: C07D213/18
摘要: The present invention relates to an economic and environmentally clean process for the preparation of the pyridinium salt of fluorotrioxo-chromate (VI), PFC, having the chemical formula C5H5NH[CrO3F], by direct reaction of stoichiometric amounts of hydrofluoric acid, chromium trioxide and pyridine demonstrating approxomately 100% atom economy.
摘要翻译: 本发明涉及通过化学计量的氢氟酸,三氧化铬和三氯化铬的直接反应制备具有化学式为C 5 H 5 NH [CrO 3 F]的氟三氟铬酸盐(VI)的PFC的吡啶鎓盐的经济和环境清洁方法 吡啶显示出大约100%的原子经济性。
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公开(公告)号:US07005548B2
公开(公告)日:2006-02-28
申请号:US10335105
申请日:2002-12-31
申请人: Mihir Kanti Choudhuri , Upasana Bora , Sanjay Kumar Dehury , Deepa Dey , Siddhartha Sankar Dhar , Wancydora Kharmawphlang , Boyapati Manoranjan Choudhary , Lakshmi Kantam Mannepalli
发明人: Mihir Kanti Choudhuri , Upasana Bora , Sanjay Kumar Dehury , Deepa Dey , Siddhartha Sankar Dhar , Wancydora Kharmawphlang , Boyapati Manoranjan Choudhary , Lakshmi Kantam Mannepalli
IPC分类号: C07C209/00
CPC分类号: C07C209/68 , C07C211/63
摘要: The present invention relates to an economical and environmentally clean process for the preparation of high quality quaternary ammonium tribromides by oxidation of bromide (Br−) in an acidic medium by a biomimetic process involving transition metal ion mediated activation of hydrogen peroxide.
摘要翻译: 本发明涉及通过涉及过渡金属离子介导的活化的仿生过程,通过在酸性介质中氧化溴化物(Br - )来制备高质量三溴化铵的经济和环境清洁方法 过氧化氢。
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公开(公告)号:US07282573B2
公开(公告)日:2007-10-16
申请号:US10335103
申请日:2002-12-31
申请人: Mihir Kanti Chaudhuri , Sanjay Kumar Dehury , Siddhartha Sankar Dhar , Upasana Bora , Boyapati Manoranjan Choudary , Lakshmi Kantam Mannepalli
发明人: Mihir Kanti Chaudhuri , Sanjay Kumar Dehury , Siddhartha Sankar Dhar , Upasana Bora , Boyapati Manoranjan Choudary , Lakshmi Kantam Mannepalli
IPC分类号: C07F5/00
摘要: The present invention provides an improved, economical and environmentally benign process for metal complexes of acetylacetone having the general formula, M(acac)n wherein M is a metal cation selected from the group consisting of Fe, Co, Ni, Cu, Zn, Al, Ca, Mg, Mo, Ru, Re, U, Th, Ce, Na, K, Rb, Cs, V, Cr, and Mn etc., n is an integer which corresponds to the electrovalence of M, are obtained by reacting the corresponding metal hydroxide, metal hydrated oxide or metal oxide with a stoichiometric amount of acetylacetone and separating the product.
摘要翻译: 本发明提供了具有通式M(acac)n N的乙酰丙酮的金属络合物的改进的,经济的和环境友好的方法,其中M是选自Fe,Co, Ni,Cu,Zn,Al,Ca,Mg,Mo,Ru,Re,U,Th,Ce,Na,K,Rb,Cs,V,Cr和Mn等,n是对应于电价的整数 的M是通过使相应的金属氢氧化物,金属水合氧化物或金属氧化物与化学计量的乙酰丙酮反应并分离产物而获得的。
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