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p-Toluenesulfonic acid monohydrate Cas 号:【6192-52-5】M D L:--MFCD00142137 分子式:C7H8O3S·H2O分子量:190.22 别名:4-甲苯磺酸,对甲基苯磺酸,4-甲基苯磺酸,甲苯-4-磺酸 Toluene-4-sulfonic acid PTSA 4-Methylbenzenesulfonic acid monohydrate ...
p-Toluenesulfonic AcidCatalyst of Fe–Co-layered double hydroxide (LDH) prepared by co-precipitation could effectively improve the degradation of pharmaceutical intermediate – p-toluenesulfonic acid (p-TSA) in the water during ozonation. The experimental results showed that under the condition of pH ...
Synthesis and Characterization of Spirocyclic Pentaerythritolp-cresolEster of Phosphoric Acid; 螺环磷酸对甲苯酚酯合成工艺及结构表征 2. The p-tolyl benzyl ether was synthesized by reaction ofp-cresoland benzyl chloride in 95% ethanol as solvent and under microwave irradiation. ...
The reaction of ozone with p-toluenesulfonic acid (PTA) at initial pH 3 and 12 in aqueous solutions (25掳C) has been studied at initial concentration 1 mmol l 1 and ozone dose is 24 mg min 1 1. and 11 mg min 1 1. respectively. The substr... P Joy,E Gilbert,SH Eberle - 《Wat...
英文名称p-Toluenesulfonic acid monohydrate 生化机理对甲苯磺酸一水合物是有机合成中的一种有机可溶性酸催化剂。该催化剂可用于羧酸的酯化或酯的酯交换反应。该化合物还被用作酮和醛还原胺化反应的还原剂。在对甲苯磺酸一水合物的存在下,通过缩合反应合成了新型的去氮黄素-胆甾烷杂化物。在对甲苯磺酸一水合物的...
英文名称:Methyl p-toluene sulfonate;Benzenesulfonic acid, 4-methyl-, methyl ester;p-toluenesulfonic acid, methyl ester;4-methylbenzenesulfonic acid, methyl ester;4-toluenesulfonic acid, methyl ester;4-methyl-benzenesulfonic acid methyl ester;methyl 4-methylbenzenesulfonate;methyl p-methylbenzenesulfonate...
<div p-id="p-0001">The present invention includes anhydrous crystalline forms of (2S,4S)-4-fluoro-1-[4-fluoro-β-(4-fluorophenyl)-L-phenylalanyl]-2-pyrrolidinecarbonitrile p-toluenesulfonic acid salt.
p-Toluenesulfonic acid monohydrate Chemical Properties Melting point 96-99 °C(lit.) Boiling point 140°C 20mm density 1,24 g/cm3 vapor density 5.9 (vs air) refractive index 1,382-1,384 Fp 180 °C storage temp. Store at +5°C to +30°C. solubility H2O: 0.1 g/mL, clear form ...
对甲苯磺酸 (—水物) p-toluenesulfonic acid monohydrate Cas 号: 【6192-52-5】 M D L: --MFCD00142137 分子式: C7H8O3S·H2O 分子量: 190.22 别名: 4-甲苯磺酸,对甲基苯磺酸,4-甲基苯磺酸,甲苯-4-磺