CAS: 10034-82-9; Sodium Chromate Tetrahydrate

📜重铬酸钠,氯置于钒 铬酸钠体系中,化学反应生成铬酸钠
参考文献:Process For Preparing Pure Sodium Bichromate
标题:Process For Preparing Pure Sodium Bichromate
摘要:制备不含钒和氯的重铬酸钠的过程包括浓缩钠铬酸盐液,使其形成中性钠铬酸四水合物晶体,将这些晶体与母液分离,用硫酸处理它们,浓缩所得的酸溶液,并在分离形成的不溶性硫酸钠后结晶重铬酸钠.

专利信息

专利号:US-4666945-A
优先权日:1983-11-14
标 题:Catalyst composition suitable for synthesis of methanol
发明人：OSUGI MINORU; TAKAGAWA MAKOTO; NAKAMURA TADASI; KOJIMA TAKASHI; TSUJI KINYA
权利人:MITSUBISHI GAS CHEMICAL CO
摘要:A catalyst composition comprising copper oxide, zinc oxide and zirconium oxide, the content of zirconium oxide being 30 to 70% by weight. This catalyst composition is useful for synthesis of methanol from carbon monoxide and/or carbon dioxide and hydrogen by a gas-liquid-solid phase fluidized bed method or a gas-solid phase fluidized bed method.

专利号:US-9822123-B2
优先权日:2005-02-18
标 题 :De novo synthesis of bacteriochlorins
发明人：KIM HAN-JE; LINDSEY JONATHAN S
权利人:UNIV NORTH CAROLINA STATE
摘要:A method of making a bacteriochlorin is carried out by condensing a pair of compounds of Formula II n nto produce the bacteriochlorin, wherein R is an acetal or aldehyde group. The condensing may be carried out in an organic solvent, preferably in the presence of an acid. The bacteriochlorins are useful for a variety of purposes such as active agents in photodynamic therapy, luminescent compounds in flow cytometry, solar cells, light harvesting arrays, and molecular memory devices.

专利号:US-2009137828-A1
优先权日:2005-08-18
标 题 :Synthesis of 1A-Fluoro-25-Hydroxy-16-23E-Diene-26,27-Bishomo-20-Epi-Cholecalciferol
发明人：USKOKOVIC MILAN R; MARCZAK STANISLAW; LOO RALF; VAN DER SLUIS MARCEL; JANKOWSKI PAWEL; MAEHR HUBERT
权利人:BIOXELL SPA
摘要:The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes allylic and olefin oxidation, de-carbonylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.

专利号:US-2015014180-A1
优先权日:2012-02-03
标 题:Electrochemical synthesis of nitro-chitosan
发明人：HALADA GARY P; JHA PRASHANT KUMAR
权利人:UNIV NEW YORK STATE RES FOUND
摘要:The present disclosure provides methods for producing chitosan derivatives and the derivatives formed by these methods. The processes of the present disclosure utilize electrochemical methods to functionalize and/or modify amine and/or hydroxyl groups present on chitosan, to form new derivatives. In embodiments, a nitro-chitosan derivative may be prepared. The altered cationic affinity of these derivatives make them excellent candidates for environmental applications, including water and waste treatments, and fertilizers.

专利号:US-5877296-A
优先权日:1994-06-03
标题:Process for preparing conjugates of methyltrithio antitumor agents
发明人：HAMANN PHILIP ROSS; HINMAN LOIS; HOLLANDER IRWIN
权利人:AMERICAN CYANAMID CO
摘要:This invention describes carrier-drug conjugates prepared from disulfide analogs of the calicheamicin family of potent antitumor antibiotics and their derivatives, as well as similar analogs from related antitumor antibiotics such as the esperamicins. The carrier can be an antibody, growth factor, or steroid which targets an undesired population of cells, such as those of a tumor. Whole protein carriers as well as their antigen-recognizing fragments and their chemically or genetically manipulated counterparts are useful for the targeting portion of the conjugates. This invention includes compounds required for the synthesis of these conjugates, appropriate pharmaceutical compositions of the carrier-drug conjugates, and their method of use.

专利号:EP-2103588-A1
优先权日:2008-03-20
标题 :2'-Halobiphenyl-4-yl intermediates in the synthesis of angiotensin II antagonists
权利人:LEK PHARMACEUTICALS
摘要:A process for obtaining 2'-halo-4-methylbiphenyls is described, which comprises reacting 4-halotoluene with a 1,2-dihalobenzene in the presence of elemental metal such as magnesium, lithium or zinc, wherein 0 to 0.9 molar, particularly 0 to 0.2 molar excess of 4-halotoluene in regard to 1,2-dihalobenzene is used, and arised organometal intermediates are quenched by elemental halogen. In addition, the coupling of arised 2'-halo-4-methylbiphenyls with 2-(1-propyl)-4-methyl-6-(1'-methylbenzimidazole-2-il)benzimidazole to afford 3'-(2'-halo-biphenyl-4-ylmethyl)-1,7'-dimethyl-2'-propyl-1H,3'H-[2,5']bibenzoimidazolyl, which can be further converted to organometallic compound and said organometallic compound is further reacted with formic acid derivative, such as N,N-dimethylformamide, alkylformiate or carbon dioxide to obtain telmisartan, is also described. Further described is use of in line analytics for monitoring the aforementioned reactions.