티오포스포릴트리아미드

티오포스포릴트리아미드 C화학적 특성, 용도, 생산

Synthesis

(1) A solution of 60 g. of freshly distilled PSCl3 in 100 ml. of CHCl3 is added by drops to a solution of NH3 in CHCl3; the addition time is two hours, and vigorous stirring and efficient cooling to maintain the temperature at —15°C are imperative. Further procedure is the same as given in method I for phosphoryl triamide. The product (approximately 105 g.) is treated with 225 ml. of dry CHCl3 and 100 g. of diethylamine. The yield of crude PS(NH2)3 is approximately 32 g. Recrystallization from methanol is effected in the same way as forPO(NH2) 3 , but instead of 150 or 200 ml., 100-150 ml. of solvent is used due to the greater solubility here. The yield is 26 g. (66%).
PSCl3 + 6NH3 = PS(NH2)3 + 3NH4Cl
(2) According to Goehring and Niedenzu, PS(NH2)3 can also be produced through direct reaction of PSCl3 with liquid NH3 in the manner described in method Ⅱ for PO(NH2)3. The Klement and Koch procedure (diethylamine) is used to separate the products. The yield is 96%.

티오포스포릴트리아미드 준비 용품 및 원자재

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