CAS: 232938-43-1; 3-(3-Tosylureido)Phenyl 4-Methylbenzenesulfonate

上下游产品

1-(3-Hydroxyphenyl)-3-(4-Methylphenyl)Sulfonylurea
3-Aminophenyl Tosylate 3865-15-4

3-氨基苯酚置于potassium Hydroxide体系中,用 水,乙腈 用作溶剂,化学反应 10.0H,反应生成3-(3-甲苯基脲基)苯基4-甲基苯磺酸酯
参考文献:热敏增感剂n-对甲苯磺酰-N`-(3-对甲苯磺酰氧基苯基)脲的合成工艺
标题:热敏增感剂n-对甲苯磺酰-N`-(3-对甲苯磺酰氧基苯基)脲的合成工艺
摘要:本发明公开了热敏增感剂n‑对甲苯磺酰‑n'‑(3‑对甲苯磺酰氧基苯基)脲的合成工艺,以间氨基苯酚为起始原料与三光气合成化合物a异氰酸酯,异氰酸酯不经处理直接与对甲苯磺酰胺发生反应,得到过渡态化合物b,化合物b在碱性氛围下与对甲苯磺酰氯反应得到最终成品.本发明工艺通过改进现有合成工艺,采用一锅法制备n‑对甲苯磺酰‑n'‑(3‑对甲苯磺酰氧基苯基)脲,使产物的摩尔收率提高,同时简化反应的操作流程,有效的降低生产合成的成本,本发明具有原料易得,反应条件温和,操作简便的优势,有助于工业化生产.

专利信息

专利号:US-8288313-B2
优先权日:2007-02-14
标 题:Thermal recording material
发明人：IKEZAWA YOSHIMI
权利人:IKEZAWA YOSHIMI; MITSUBISHI PAPER MILLS LTD
摘要:A thermal recording material comprises a support and a thermal recording layer formed thereon, the thermal recording layer containing an electron-donating dye precursor and an electron-receiving developer that causes said dye precursor to develop a color, wherein said thermal recording layer contains vapor-phase synthesis silica, preferably, the vapor-phase synthesis silica has a specific surface area, measured by a BET method, of 50 to 200 m 2 /g and further is doped with aluminum oxide, and the thermal recording layer further contains the above vapor-phase synthesis silica and a diphenyl sulfones-bridged type compound, and the thermal recording material is excellent in anti-sticking property and image stability.

专利号:CN-114835609-A
优先权日:2021-02-01
标 题 :Synthesis process of heat sensitive agent N-p-toluenesulfonyl-N`-(3-p-toluenesulfonyloxyphenyl)urea

专利号:CN-114890917-A
优先权日:2022-05-25
标 题 :A kind of asymmetric branched non-phenolic color developer and synthesis method thereof