欧盟法规
REACH注册ECHA物质C&L通报REACH预注册上下游产品
diazomethane cyclododecanol methanol cyclododecenecyclododecanone cyclododecanol 2-brom°Cyclododecan-1-one 反式-2-溴-1-甲氧基环十二烷置于sodium体系中,用 氨 用作溶剂,化学反应生成甲氧基-环十二烷
参考文献:Remane,H.; Haufe,G.,Acta Chimica Academiae Scientiarum Hungaricae,1980,Vol. 105,P. 145-154
标题:Remane,H.; Haufe,G.,Acta Chimica Academiae Scientiarum Hungaricae,1980,Vol. 105,P. 145-154
专利信息
专利号:US-3639436-A
优先权日:1967-12-11
标题:Omega omega-dinitroalkanoic acids esters and ester-salts
发明人:HOLTZ HANS D
权利人:PHILLIPS PETROLEUM CO
摘要:NOVEL COMPOUNDS, OMEGA,OMEGA-DINITROALKANOIC ACIDS ARE PREPARED BY INITIALLY REACTING CERTAIN OXYGEN-CONTAINING CYCLOALKANE DERIVATIVES WITH AQUEOUS NITRIC ACID IN THE PRESENCE OF A CATALYST COMPOSITION, SUCH AS AMMONIUM VANADATE (V), HAVING ONE OR MORE METALLIC ELEMENTS SELECTED FROM SC, TI, V, CR, MN, FE, CO, NI, CU, Y, LA, CE, PR, ND, AND SM, PREFERABLY V AND CU, AND RECOVERING THE DESIRED NOVEL ACIDS FROM THE REACTION PRODUCT. NOVEL ESTERS AND ALKALI METAL SALTS OF THESE ESTERS CAN BE PREPARED FROM THE NOVEL ACIDS BY SUITABLE REACTIONS. THE NOVEL ACIDS AND DERIVATIVES THEREOF ARE USEFUL INTERMEDIATES FOR THE PRODUCTION OF OMEGA-AMINO ACIDS WHICH ARE USEFUL IN THE SYNTHESIS OF POLYAMIDE POLYMERS, SUCH AS NYLON 12.