📜1,2-Dihydroxyethylenediamine Dihydrochloride置于sodium Acetate体系中,用 水 作为反应溶剂,化学反应 2.0H,以60.4%的收率获得产物联咪唑 参考文献:Syntheses Of 2,2-Diimidazole 标题:Syntheses Of 2,2-Diimidazole 摘要: DOI:10.1007/bf00473456
专利信息
专利号:US-8084569-B2 优先权日:2006-12-21 标 题 :Process for the synthesis of diaminopyridines from glutarimidines 发明人:MINTER AARON; STOKES BERLIN 权利人:MINTER AARON; STOKES BERLIN; DU PONT 摘要:A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.
专利号:US-7999057-B2 优先权日:2008-07-08 标 题:Gas-phase process for the synthesis of diaminopyridines from glutaronitriles 发明人:HUTCHENSON KEITH W; MINTER AARON; SUNSHINE GREGG 权利人:DU PONT 摘要:A gas-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.
专利号:US-2011301314-A1 优先权日:2008-12-18 标题:Continuous liquid-phase process for the synthesis of diaminopyridines from glutaronitriles 发明人:HUTCHENSON KEITH W; MINTER AARON 权利人:HUTCHENSON KEITH W; MINTER AARON; DU PONT 摘要:A liquid-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.
专利号:US-8637695-B2 优先权日:2011-12-30 标 题:Synthesis of organohalosilane monomers from conventionally uncleavable Direct Process Residue 发明人:LEWIS KENRICK MARTIN; NEELY JOHN DAVID 权利人:LEWIS KENRICK MARTIN; NEELY JOHN DAVID; MOMENTIVE PERFORMANCE MAT INC 摘要:Disclosed herein is a catalytic process for the synthesis of organohalosilane monomers from tetraorganodihalodisilanes and other compounds that are not cleaved during the conventional hydrochlorination of Direct Process Residue. The process is characterized by the use of a catalyst containing (1) one or more heterocyclic amines and/or one or more heterocyclic ammonium halides, and (2) one or more quaternary Group 15 onium compounds.
专利号:US-7429658-B2 优先权日:2003-09-11 标题 :Synthesis of protected pyrrolobenzodiazepines 发明人:HOWARD PHILIP; MASTERSON LUKE 权利人:SPIROGEN LTD 摘要:A method of synthesis of a N-10 protected PBD compound of formula (I): n nvia an intermediate of formula (II) or formula (V):
专利号:US-7557099-B2 优先权日:2004-03-01 标题 :Pyrrolobenzodiazepines as key intermediates in the synthesis of dimeric cytotoxic pyrrolobenzodiazepines 发明人:HOWARD PHILIP WILSON; KANG GYOUNG-DONG 权利人:SPIROGEN LTD 摘要:Compounds and a method of synthesis of compounds of formula (Ia) or (Ib): and salts, solvates, and chemically protected forms thereof, wherein the dotted lines indicate the optional presence of a double bond between C1 and C2 or C2 and C3; R 2 and R 3 are independently selected from —H, â•?O, â•?CH 2 , —CN, —R, OR, halo, â•?CH—R, O—SO 2 —R, CO 2 R and COR; R 10 is a carbamate-based nitrogen protecting group; and R 11 is an oxygen protecting group.
参考文献:10.1107/s1600536810028175 摘要:Zhang Y, Jin Q, Yang W, Zhang C. Tetraaqua(1,10-phenanthroline-κ2N,N′)cadmium(II) sulfate dihydrate. Acta Crystallogr E Struct Rep Online. 2010 Jul 21;66(8):m970. doi: 10.1107/s1600536810028175. 参考文献:10.1107/s1600536810031922 摘要:Dai Y, Jin Q, Cui L, Xu L, Zhang C. Bis(2,2′-bi-1H-imidazole-κ2N3,N3′)bis(dimethyl sulfoxide-κO)copper(II) bis(tetrafluoridoborate). Acta Crystallogr E Struct Rep Online. 2010 Aug 18;66(9):m1124–5. doi: 10.1107/s1600536810031922. 参考文献:10.1107/s1600536810045368 摘要:Gao X, Zhu M. Benzoic acid-2,2'-biimidazole (2/1). Acta Crystallogr Sect E Struct Rep Online. 2010 Nov 10;66(Pt 12):o3124.