³¹P-NMR STUDY OF INTERMEDIATES IN PREPARATION OF PHENYLDICHLOROPHOSPHNE

T. R. Wu Chemical Systems Research Division, Chung Shun Institute of Science and Technology, Taoyuan, Taiwan, R.O.C., 32526

W. Y. Chen Chemical Systems Research Division, Chung Shun Institute of Science and Technology, Taoyuan, Taiwan, R.O.C., 32526

Y. S. Chiu Chemical Systems Research Division, Chung Shun Institute of Science and Technology, Taoyuan, Taiwan, R.O.C., 32526

T. C. Chang Department of Applied Chemistry, Chung Cheng Institute of Technology, Taoyuan, Taiwan, R.O.C., 33509

Abstract

Phenyldichlorophosphine was prepared via the AlCl₃-PCl₃ complex method, wherein benzene was caused to react with phosphorus tricholoride (PCl₃) in the presence of aluminum chloride (AlCl₃) followed by the separation of AlCl₃ with tris(2-chloroethyl)-phosphate. The intermediates and mechanism of the reaction were investigated by ³¹P nuclear magnetic resonance (NMR) spectroscopy. The results revealed three kinds of intermediates in NMR time scale in the reaction. A reaction mechanism was proposed.

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³¹P-NMR STUDY OF INTERMEDIATES IN PREPARATION OF PHENYLDICHLOROPHOSPHNE

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31P-NMR STUDY OF INTERMEDIATES IN PREPARATION OF PHENYLDICHLOROPHOSPHNE

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³¹P-NMR STUDY OF INTERMEDIATES IN PREPARATION OF PHENYLDICHLOROPHOSPHNE