CAS: 608-33-3; 2,6-Dibromophenol

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CAS号108-95-2 苯酚 | CAS号118-79-6 三溴苯酚 | CAS号3337-62-0 3,5-二溴-4-羟基苯甲酸 | CAS号95-56-7 2-溴苯酚 | CAS号100477-81-4 2,6-Dibrom-meth... | CAS号91-22-5 喹啉 | CAS号64-17-5 乙醇 | CAS号609-21-2 4-氨基-2,6-二溴苯酚 | CAS号3883-95-2 3-溴-2-羟基苯甲酸 | CAS号38603-09-7 1,3-二溴-2-甲基苯 | CAS号33491-30-4 8-溴-2h-1-苯并吡喃-2-酮 | CAS号142273-81-2 1,3-二溴-2-(甲氧基甲氧基)苯 | CAS号120-80-9 邻苯二酚 | CAS号87-66-1 1,2,3-苯三酚 | CAS号108-95-2 苯酚 | CAS号576-26-1 2,6-二甲基苯酚 | CAS号13319-71-6 6-溴邻甲酚 | CAS号32750-14-4 1,1-Biphenyl-2,...

三溴苯酚置于potassium Hydrogensulfate,Sodium Sulfite体系中,用 甲醇 作为反应溶剂,化学反应 48.0H,以45%的收率获得产物2,6-二溴苯酚
参考文献:Reductive Dehalogenation Of Halophenols In Sulfite-bisulfate Medium
标题:Reductive Dehalogenation Of Halophenols In Sulfite-bisulfate Medium
摘要:The Khso4-Na2So3 System Is Found To Be Simple And Inexpensive For Reductive Elimination Of Halogens (Br,I) From The Corresponding Halophenols Under Reflux Conditions In Dry Methanol. Under Similar Conditions The Reaction Is Sluggish With Chlorophenols. (C) 2004 Elsevier Ltd. All Rights Reserved.
DOI:10.1016/j.Tetlet.2004.05.025

专利信息

专利号:US-6472190-B1
优先权日:2000-03-16
标 题:Biocatalytic synthesis of galloid organics
发明人：FROST JOHN W
权利人:UNIV MICHIGAN STATE
摘要:The present invention provides a bioengineered synthesis scheme for the production of gallic acid from a carbon source. Methods of producing gallic acid from a carbon source based on the synthesis scheme are also provided. The gallic acid produces from these methods can be further converted to pyrogallol. Methods for the biosynthesis of pyrogallol from gallic acid are also provided.

专利号:US-2004110228-A1
优先权日:2002-04-01
标 题:Combinatorial organic synthesis of unique biologically active compounds
发明人：MCALPINE SHELLI R; TAYLOR RACHEL E; BOLLA MEGAN L; SEGALL ANCA M
摘要:The invention provides a method for making a combinatorial library of cyclic compounds, such as Holliday junction-trapping compounds, comprising the steps of (a) obtaining a plurality of trimers according to the generic structure X 1- X 2- X 3 , wherein X 1 , X 2 and X 3 can be independently any naturally or nonnaturally occurring amino acids or peptidomimetics thereof; (b) optionally coupling a spacer S to the trimer at either end; (c) cyclizing two trimers or trimer-spacer conjugates in a head-to-tail orientation; thereby obtaining a combinatorial library of compounds, wherein the library does not include an unmodifed or naturally occurring Holliday Junction-trapping compounds. The invention additionally provides methods macrocyclic compounds that are synergimycin derivatives.

专利号:US-4256727-A
优先权日:1978-09-18
标 题:Synthesis and use of diagnostic radio-pharmaceuticals comprising radioactive isotopes of bromine with dyes
发明人：TRIPLETT JOHN W; SMITH RANDALL B
权利人:UNIV KENTUCKY RES FOUND
摘要:A process for preparing bromine-containing dyes labelled with gamma-emitting isotopes of bromine, and the product thereof which is useful as an imaging agent for the hepato-biliary system, particularly in dynamic imaging methods. The dyes prepared are from the class of triarylmethane dyes, and also from the phthalein subclass of the class of xanthene dyes, and the labelling thereof is effected with 76Br, 77Br or 82Br. The process for preparing these dyes involves reacting the non-brominated dye precursor with either 76Br2, 77Br2 or 82Br2. This is a substitution type of reaction in which a ring hydrogen is substituted by either 76Br, 77Br or 82Br.

专利号:WO-0171020-A2
优先权日:2000-03-16
标题 :Biocatalytic synthesis of galloid organics

专利号:NZ-587672-A
优先权日:2005-04-28
标 题:Intermediates suitable for the synthesis of lactam compounds

专利号:US-6620979-B2
优先权日:2001-04-24
标题:High purity 9,9-bis-(hydroxyphenyl)-fluorene and method for the preparation and purification thereof
发明人：ANGIOLINI SIMONE; AVIDANO MAURO
权利人:FERRANIA SPA
摘要:A 9,9-bis (4-hydroxyphenyl) fluorene compound showing a melting curve maximum of at least 226.00° C. and a melting curve width at 5% equal to or lower than 1.30° C. A purification process for the preparation of 9,9-bis (4-hydroxyphenyl) fluorene compounds comprising a first purification step employing acetonitrile and a second purification step employing a solvent selected from the group consisting of aliphatic alcools, a mixture of aromatic hydrocarbons and aliphatic alco-hols and a mixture of aromatic hydrocarbons and nitrites. A synthesis method for the preparation of 9,9-bis (4-hydroxyphenyl) fluorene compounds comprising the steps of (a) reacting in an organic solvent a phenol compound with a 9-fluorenone in the presence of an acidic condensing agent, (b) separating the crude 9,9-bis (4-hydroxyphenyl) fluorene, and (c) purifying the crude 9,9-bis (4-hydroxyphenyl) fluorene, wherein the purifying method comprises a first purification step employing acetonitrile solvent and a second purification step employing a solvent selected from the group consisting of aliphatic alcools, a mixture of aromatic hydrocarbons and aliphatic alcohols and a mixture of aromatic hydrocarbons and nitrites.