918889-90-4Relevant academic research and scientific papers
Ortho-mercurated [({N-methyl-N-arylamino}methyl)ferrocenes] and their transpalladation. Crystal structures of [(η5-C5H5)Fe{η5- C5H3(HgCl)CH2N(CH3)C6 H4OCH3-4}]2, [(η5-C5H5)Fe{η5- C5H ...
Wang, Hong-Xing,Li, Ying-Jie,Wu, Hong-Fei,Gao, Ren-Qing,Geng, Feng-Ying,Yang, Xiao-Li,Wan, Li,Jin, Rong,Cui, Xiu-Ling,Wu, Yang-Jie
, p. 3305 - 3311 (2008/10/09)
Full title. Ortho-mercurated [({N-methyl-N-arylamino}methyl)ferrocenes] and their transpalladation. Crystal structures of [(η5-C5H5)Fe{η5- C5H3(HgCl)CH2N(CH3)C6 H4OCH3-4}]2, [(η5-C5H5)Fe{η5-C 5H3(HgCl)CH2N(CH3)C6 H4Cl-3}] and [(η5-C5H4HgCl)Fe{η5- C5H4CH2N(CH3)C6 H4Cl-4}]. Treatment of ferrocenylamines [(η5-C5H5)Fe{η5- C5H4CH2N(CH3)C6H 4R}] (4) (R = 4-MeO (a), 4-Me (b), H (c), 4-Cl (d), 3-Cl (e), 3-NO2(f)) with mercury (II) acetate and lithium chloride yielded ortho-mercurated [(η5-C5H5)Fe{η5- C5H3(HgCl)CH2N(CH3)C6 H4R}] (6) (R = same as before) and a minor product [(η5-C5H4HgCl)Fe{η5- C5H4CH2N(CH3)C6 H4Cl-4}] (7) from 4d (R = 4-Cl). The character of the substituents on the phenyl rings might play an important role in governing the product distributions. The preference of intermolecular over intramolecular N-Hg interactions in 6 was observed and rationalized. Transpalladations of 6 via disodium tetrachloropalladate (II) gave the corresponding cyclopalladated complexes in low yields. The molecular structures of 6a, e, and 7 were determined by single crystal X-ray analysis.
Stereoselective cyclopalladation of [{(N-methyl-N-aryl)amino}methyl]ferrocenes: Crystal structure of σ-Pd[ClPPh3(η5-C5 H5)Fe(η5-C5H3CH2 N(CH3)C6H4OCH3-4)] · H2O
Wang, Hong-Xing,Li, Ying-Jie,Gao, Ren-Qing,Wu, Hong-Fei,Geng, Feng-Ying,Jin, Rong
, p. 658 - 661 (2008/10/09)
Stereoselective cyclopalladation of [(N-methyl-N-aryl)amino]methylferrocenes 1a-f (aryl = 4-CH3OC6H4(a), 4-CH3C6H4(b), C6H5(c), 4-ClC6H4(d), 3-ClC6H4(e), 3-O2NC6H4(f)) with sodium palladium tetrachloride and followed by treatment with triphenylphosphine resulted in the cyclopalladated complexes 3a-f (aryl = same as before) in the form of raceme. The structure of 3a was determined by X-ray single crystal diffraction. Complex 3a crystallizes in triclinic, space group P-1 with a = 10.6685(14), b = 10.7412(14), c = 16.795(2) ?, α = 71.879(2), β = 85.798(2), γ = 64.523(2)°. The possible mechanism for the formation of 3 was discussed.
