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- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。
- Oxidronate was prepared from triisopropyl phosphite by diphosphonation,chlorination,pyrolysis and reduction with 32% overall yield. 以亚磷酸三异丙酯为原料,经膦酸化、氯化、热解、还原等反应合成奥昔膦酸盐,总收率为32%25。
- METHODS:Clodronate was synthesized by steps of condensation,chloration,pyrolysis and salifying from dibromomethane and triisopropyl phosphite. 方法:以二溴甲烷和亚膦酸三异丙酯为原料,经缩合、氯化、热裂解和成盐反应得到氯屈膦酸二钠。
- triisopropyl phosphite 亚磷酸三异丙酯
- METHOD:Target molecular was synthesized from triisopropyl phosphate by substitution?condensation and hydrolysis. 方法:以亚膦酸三异丙酯为原料,经取代、缩合、水解等反应而合成目标产物。
- A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride. 研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
- Diisopropyl phosphite was directly synthesized from phosphorus trichoride and isopropanol by using the solvent method. 以三氯化磷与异丙醇为原料,用溶剂法合成了标题化合物。
- Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water. 采用氢化钙作为脱水剂,以硼酐及异丙醇为原料合成了硼酸三异丙酯,该方法具有成本低、操作简便、条件温和、产率高的优点。
- Triisodecyl phosphite ester is synthesized with isodecyl alcohol and PCl_3 by using the direct esterification method. 由异癸醇和三氯化磷反应制得亚磷酸三异癸酯。
- A bis-phosphite antioxidant, 2,4-di-test-butylphenyl phosphite, antioxidant 626, was synthesized by a new technology. 以新工艺合成了双(2,4-二叔丁基苯基)季戊四醇二亚磷酸酯(抗氧剂626)。
- Triphenyl phosphite provided prominent stabilization only when used in combination with other stabilizers. 亚磷酸三苯酯单独使用时效果较差,但与其它种类的稳定剂混合使用能得到较好的效果。
- The synthesis of monomethylhydrazine was investigated with dimethyl phosphite as methylating agent. 以亚磷酸二甲酯为甲基化试剂,一步合成了单取代的一甲基肼。
- With the rising demand for dimethyl phosphite, more attention was paid to its production process. 随着市场需求的增大,人们对亚磷酸二甲酯的生产工艺越来越关注。
- The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved. 对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
- The process of recovering methyl chloride from the tail gas of dimethyl phosphite was introduced. 本文介绍了从亚磷酸二甲酯生产尾气中回收氯甲烷的工艺。
- Method used to remove sodium sulfate and sodium phosphite in the plating solution was given. 随着施镀的进行,化学镀镍液中的硫酸钠和亚磷酸钠的积累越来越多,从而影响镀液的使用寿命。
- The structure of di-n-propyl phosphite and propaphos prepared were identified by IR and 1H-NMR spectra. 二正丙基亚磷酸酯和丙虫磷的结构用IR和1H-NMR表徵。
- Dipropyl phosphite was prepared form phosphorus thichloride and n-propyl alcohol then chlorinated O,O-dipropyl chlorohosphate, the yield over 90%. 三氯化磷与正丙醇合成亚磷酸二正丙酯再氯化成O,O-二正丙基磷酰氯,收率达到90%25。
- The absolute potassium carbonate as a acid-catcher had been used to synthsis of triisopropyl phosphite.The yield and quality of product obtained from this methed are higher than other metheds. 用无水碳酸钾作缚酸剂合成亚磷酸三异丙酯,产品质量优于文献报道的方法。