CAS: 1187-03-7; 1,1,3,3-Tetraethylurea

相似化合物

4559-86-8 90-89-1 102-53-4

上下游产品

CAS号650-51-1 三氯乙酸钠 | CAS号109-89-7 二乙胺 | CAS号74886-49-0 N,N,N',N'-tetra... | CAS号124-38-9 二氧化碳 | CAS号201230-82-2 carbon monoxide | CAS号88-10-8 N,N-二乙基氯甲酰胺 | CAS号591-51-5 苯基锂 | CAS号109-72-8 正丁基锂 | CAS号594-19-4 叔丁基锂 | CAS号13439-87-7 N,N,N',N'-tetra... | CAS号59-26-7 尼可刹米 | CAS号69082-76-4 N-(双(二乙基氨基)亚甲基)...

N-氰基二乙基胺置于sodium Acetate,亚硝酰氯体系中,用 四氯化碳 用作溶剂,化学反应生成四乙基脲
参考文献:亚硝基亚胺化学.六,一些共振稳定的亚硝基亚胺的合成及其紫外光谱
标题:亚硝基亚胺化学.六,一些共振稳定的亚硝基亚胺的合成及其紫外光谱
摘要:1,1,3,3-四取代的2-亚硝基胍,其尝试合成和紫外光谱已报道,不稳定,分解成相应的尿素和氮,只有2-亚硝基-1,1,3,3-四苯基胍(1F) 作为纯化合物获得.1F 与异氰酸苯酯的反应可能通过 1,4-环加成反应得到五苯基胍.
Doi:10.1246/bcsj.47.935

专利信息

专利号:US-5919971-A
优先权日:1996-11-22
标题:Process for the synthesis of 3-mercaptopropionic acid esters
发明人：ARRETZ EMMANUEL
权利人:ELF AQUITAINE EXPLORATION PROD
摘要:This process for the synthesis of 3-mercaptopropionic acid esters by addition reaction of H2S to the corresponding acrylic acid ester is carried out in the presence of a solid-support functionalized with basic guanidine functional groups, on condition that these groups are free of hydrogen that is directly attached to a nitrogen atom.

专利号:US-5877349-A
优先权日:1996-09-20
标 题:Process for the synthesis of 3-mercaptopropionic acid
发明人：ARRETZ EMMANUEL
权利人:ELF ACQUITAINE EXPLORATION PRO
摘要:This process for the synthesis of 3-mercaptopropionic acid by an addition reaction of H 2 S with acrylic acid is carried out in the presence of a solid support having basic guanidine functional groups, provided that the latter do not contain hydrogen bonded directly to a nitrogen atom.

专利号:US-4400329-A
优先权日:1980-12-05
标 题 :Process for the manufacture of thiochlorformates
发明人：DEWEERDT JULIEN; SALA JACQUES; SOUYRI DENIS
权利人:POUDRES & EXPLOSIFS STE NALE
摘要:According to the invention, phosgene is reacted with a mercaptan in the presence of a catalyst of the general formula: ##STR1## in which X=O or S and in which R 1 , R 2 , R 3 and R 4 are, in particular, aliphatic, cycloaliphatic or aromatic groups or a hydrogen atom. The proportion of catalyst is 0.1 to 10 mol %, relative to the mercaptan, and the reaction is carried out at ambient temperature and at atmospheric pressure. The process, which can be made continuous, results in short residence times and in a high yield and a high purity. n Thiochloroformates are applied essentially as intermediates for the synthesis of herbicidal compounds.

专利号:US-7078574-B2
优先权日:2001-04-21
标题 :Method for the intrinsically safe handling of 3-chloropropyne
发明人：STAMM ARMIN; KNEUPER HEINZ-JOSEF; RITTINGER STEFAN; DRANSFELD PETER; SCHILDBERG HANS-PETER; HEILIG MANFRED; WEBER THEODOR
权利人:BASF AG
摘要:A method is provided for the intrinsically safe handling of 3-chloropropyne in the presence of a diluent with a boiling point ranging from −50° C. (223 K) to 200° C. (473 K) under atmospheric pressure, wherein the concentration of 3-chloropropyne in the liquid phase and in the gas phase is kept below the concentrations capable of deflagration by means of the type and amount of the diluent, the temperature and the total system pressure, together with the use of a 3-chloropropyne prepared, stored or transported in this way in the synthesis of dyestuffs, pharmaceutical and agricultural active ingredients, electroplating auxiliaries, disinfectants, steroids and growth hormones.

专利号:EP-0844237-A1
优先权日:1996-11-22
标 题:Process for the synthesis of esters of 3-mercaptopropionic acid

专利号:US-4201868-A
优先权日:1975-03-05
标 题:Reaction of methanol with synthesis gas
发明人：SLINKARD WILLIAM E
权利人:CELANESE CORP
摘要:A process for the reacting of methanol with carbon monoxide and hydrogen to produce increased amounts of methyl acetate, acetaldehyde and dimethyl acetal utilizing a catalyst comprising a cobalt carbonyl in complex with an organic nitrogen ligand.