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- Prepared from the reaction of ardium metal and elbynyl benzene in ethyl ether
- Elemental analyses were preformed by Schwarzkopf Microanalytical Laboratories, Woodside, N.Y. Anal. Calcd. (chloride) for C, HI, LaCI: C, 45.3; H, 4.11; La,40.31;CI, 10.28. Found:C,43S;H. 5.13; La, 39.67;C1, 10.31. Calcd. for C, H, CeCI: C, 45.15; H,4.08;Ce,40.52;Cl, 10.25. Found: C, 43.5;H, 5.16; Ce 39.18; C110.74. Calcd. [phenyl ethynyl) for C, H, La: La, 33.85. Found: 35.66. Calcd. for C, H, Ce: Ce, 34.05. Found: 34.71
- For example [1,1′(CH2)3 (η5-Ca H412 1 La[sbnd]M[dbnd]C, H5: Ir (Nujol, cm−1) 3080 (9 2934 (s), 2867 (9, 2052 (s), 1061 (br), 1045 (s), 1024 (m), 1003 (m), 945 (m), 857 (m), 760 (s), 668 (s)
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- NMR data in ppm is based on upfield THF peak occurring at δ = 1.79