CAS: 10361-79-2; Praseodymium(Iii) Chloride

上下游产品

praseodymium(III) chloride hexahydrate praseodymium(III) chloride hydrate 3*H2OPrCl3*H2O hydrogenchloridesodium chloride 3((C6H11)2PHO)3)(PrCl3((C6H11)2PHO)3)

Praseodymium Chloride Heptahydrate 以 Neat (No Solvent,Solid Phase) 用作溶剂,以99%的收率获得氯化镨
参考文献:甲醇取代的卤化镧的结构表征
标题:甲醇取代的卤化镧的结构表征
摘要:使用甲醇(meoh)进行了卤化镧[lax(3)]衍生物的醇溶化作为降低labr(3)闪烁体生产温度的一种手段的首次研究.最初,通过在室温下简单地将1溶解在meoh中,研究了{[la(micro-Br)(h(2)o)(7)](br)(2)}(2)(1)的脱水.分离出混合的溶剂化物单体[la(h(2)o)(7)(meoh)(2)](br)(3)(2)化合物,其中la金属中心通过与两种其他的meoh溶剂,但必须将内球br转移到外球.为了尝试将1的甲醇中的反应混合物在cah(2)上干燥,分离了[ca(meoh)(6)](br)(2)(3)的晶体.在回流温度下将化合物1溶解在meoh中,导致分离出异常结构,该结构被确定为盐衍生物{[labr(2.75)* 5.25(meoh)](+ 0.25)[labr(3.25)* 4.75(meoh)](-0.25)}(4).最终,通过将干燥的labr(3)溶
Doi:10.1016/j.Poly.2010.02.027

专利信息

专利号:US-11926589-B2
优先权日:2019-07-09
标 题 :Process for the synthesis of non-racemic cyclohexenes
发明人：REISMAN SARAH; ROMBOLA MICHAEL; LADD CAROLYN L; MCLAUGHLIN MARTIN JOHN; ZUEND STEPHAN; GOETZ ROLAND
权利人:BASF CORP; CALIFORNIA INST OF TECHN
摘要:This invention relates to a process for the synthesis of a non-racemic cyclohexene compound of formula (I) by a Diels-Alder reaction of a compound of formula (II) with a compound of formula (III) wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and Y have the meanings as defined in the description in the presence of a catalyst comprising at least one m-valent metal cation M m+ wherein the metal M is selected from Scandium (Sc), Yttrium (Y), Lanthanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium 15 (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Ytterbium (Yb), Lutetium (Lu), Gallium (Ga) and Indium (In), and m is an integer of 1, 2 or 3, and a chiral ligand of the formula (IV) wherein R 10a , R 10b , R 10c , R 10d , R 10a′ , R 10b′ , R 10c′ , R 10d′ , Z and Z′ have the meanings as defined in the description.

专利号:US-8519184-B2
优先权日:2010-07-05
标 题:Synthesis of rare earth metal extractant
发明人：SAKAKI KAZUAKI; SUGAHARA HIROTO; OHASHI TETSUYA; KUME TETSUYA; IKKA MASAHIKO; NAGANAWA HIROCHIKA; SHIMOJO KOJIRO
权利人:SAKAKI KAZUAKI; SUGAHARA HIROTO; OHASHI TETSUYA; KUME TETSUYA; IKKA MASAHIKO; NAGANAWA HIROCHIKA; SHIMOJO KOJIRO; SHINETSU CHEMICAL CO; NISSIN CHEMICAL IND
摘要:A rare earth metal extractant in the form of a dialkyl diglycol amic acid is synthesized by reacting diglycolic anhydride with a dialkylamine in a synthesis medium. A molar ratio (B/A) of dialkylamine (B) to diglycolic anhydride (A) is at least 1.0. A non-polar or low-polar solvent in which the dialkyl diglycol amic acid is dissolvable is used as the synthesis medium.

专利号:US-2018071719-A1
优先权日:2015-02-20
标题:Ammonia synthesis catalyst and method for producing same
发明人：NAGAOKA KATSUTOSHI; IMAMURA KAZUYA; SATO KATSUTOSHI
权利人:JAPAN SCIENCE & TECH AGENCY; JAPAN SCIENCE & TECH AGENCY
摘要:The present invention provides a rare earth oxide-supported noble metal catalyst which has a high catalytic activity, is greatly improved in the ammonia production activity per weight of the catalyst and per amount of the supported metal, and enables the synthesis of ammonia under mild conditions. The catalyst according to the present invention is characterized in that ruthenium is supported in a layered form on a praseodymium oxide carrier. The catalyst according to the present invention can be produced by burning a praseodymium oxide precursor at a lower temperature, then at a medium temperature and then at a higher temperature to produce praseodymium oxide, then agitating the resultant praseodymium oxide together with a ruthenium supply source in a solvent, then removing the solvent from the mixture, and then burning the resultant product.

专利号:US-8889903-B2
优先权日:2010-07-05
标题 :Synthesis of rare earth metal extractant
发明人：SAKAKI KAZUAKI; SUGAHARA HIROTO; OHASHI TETSUYA; KUME TETSUYA; IKKA MASAHIKO; NAGANAWA HIROCHIKA; SHIMOJO KOJIRO
权利人:SAKAKI KAZUAKI; SUGAHARA HIROTO; OHASHI TETSUYA; KUME TETSUYA; IKKA MASAHIKO; NAGANAWA HIROCHIKA; SHIMOJO KOJIRO; SHINETSU CHEMICAL CO; NISSIN CHEMICAL IND
摘要:A rare earth metal extractant in the form of a dialkyl diglycol amic acid is synthesized by reacting diglycolic anhydride with a dialkylamine in an aprotic polar solvent, with a molar ratio of dialkylamine to diglycolic anhydride being at least 1.0, and removing the aprotic polar solvent.

专利号:US-RE36718-E
优先权日:1993-06-29
标题:Optically active aminoalcohol derivatives and method of producing same
发明人：MITSUDA MASARU; HAYASHI SHIGEO; HASEGAWA JUNZO; UEYAMA NOBORU; OHASHI TAKEHISA; SHIBASAKI MASAKATSU
权利人:KANEKA CORP
摘要:PCT No. PCT/JP94/01049 Sec. 371 Date Jun. 21, 1995 Sec. 102(e) Date Jun. 21, 1995 PCT Filed Jun. 29, 1994 PCT Pub. No. WO95/01323 PCT Pub. Date Jan. 12, 1995An object of the present invention is to provide a safe method of commercially producing optically active aminoalcohol derivatives, which serve as intermediates for the synthesis of medicinal chemicals such as the immunopotentiating anticancer agent bestatin, in a simple and easy manner in high yields and with high levels of selectivity. The present invention consists in a method of producing 3-amino-1-nitro-4-phenyl-2-butanol derivatives of the general formula (1) wherein R1 and R2 each independently represents a hydrogen atom or an amino group protecting group, and a method of producing 3-amino-2-hydroxy-4-phenylbutyric acid derivatives derivable therefrom.

专利号:US-7485741-B2
优先权日:2002-12-02
标 题:Method of producing nitrile compounds from ethylenically-unsaturated compounds
发明人：BOURGEOIS DAMIEN; GALLAND JEAN-CHRISTOPHE; DIDILLON BLAISE; MARION PHILIPPE
权利人:RHODIA POLYAMIDE INTERMEDIATES
摘要:The present invention relates to a process for hydrocyanating a hydrocarbon-based compound containing at least one ethylenic unsaturation by reaction in liquid medium with hydrogen cyanide in the presence of a catalyst comprising a metal element chosen from transition metals and an organophosphorus ligand, characterized in that the organophosphorus ligand is a monodentate organophosphorus compound. The present invention is in particular useful for the synthesis of adiponitrile from butadiene.