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COMPLEX Pd[ï¼ˆPPh₂ï¼‰₂CHCl]: SYNTHESIS,STRUCTURE AND ITS REACTION MECHANISM

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ã€Authorã€‘ Wei Fengping and Huang Yongren(Analytical Center, East China Normal University, Shanghai 200062 )Feng Liangbo, Lu Shijie and Wang Hanqing(Lanzhou Institute of Chemical Physics, the Chinese Academy of Sciences, Lanzhou 730000)Huang Liangren(Fujian Institut

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ã€æ‘˜è¦ã€‘ åˆæˆäº†æ–°é…åˆç‰©PdCl2[(PPh2)CHCl]ï¼Œç”¨æ ¸ç£ã€çº¢å¤–å…‰è°±ã€å…ƒç´ åˆ†æžç‰è¡¨å¾äº†å…¶ç»“æž„ï¼ŒXï¼raxè¡å°„ç¡®å®šäº†å•æ™¶ç»“æž„.åº”ç”¨ç”µåé¡ºç£å…±æŒ¯-è‡ªæ—‹æ•èŽ·ï¼ˆEPRï¼STï¼‰å¯¹æŠ€æœ¯ç ”ç©¶äº†å…¶ååº”çš„æœºç†ï¼Žæ•èŽ·åˆ°PPh2åŠå«ç¢³è‡ªç”±åŸºä¸é—´ä½“ï¼Œæå‡ºäº†ååº”æœºç†ï¼Žæ›´å¤š è¿˜åŽŸ

ã€Abstractã€‘ Complex PdCl2 [(PPh2 )2CHCl] has been prepared by treatment of Pd(OAc)2 with dppm in solvent CHaCla. IR,1 H NMR, 31P NMR, elemental analysis, EDS data are given. The molecular structure of PdCl2[(PPh2)CHCl] has been determined by single crystal X-ray diffeaction. The reaction mechanism is tentatively proposed and discussed. Radicals .PPh2 and other radicals were trapped by PBN. This reaction was proved to be a free radical reaction by EPR- ST method. The solvent CH2Cl2 participated in the reaction.æ›´å¤š è¿˜åŽŸ

ã€å…³é”®è¯ã€‘ EPR-STï¼› Pdé…åˆç‰©ï¼› è‡ªç”±åŸºæœºç†ï¼›
ã€Key wordsã€‘ EPR-STï¼› Pd complex. Free radical mechanismï¼›