化学学报 ›› 1990, Vol. 48 ›› Issue (2): 195-203. 上一篇    下一篇

研究论文

烯烃配位的过渡金属卡宾配合物的研究XVI:四氟苯并双环[2,2,2]辛三烯三羰基铁的新奇开环反应-新型螯合双烯丙基三羰基铁配合物的合成和结构

陈家碧;殷建国;徐维;来鲁华;张泽莹;邵美成   

  1. 中国科学院上海有机化学研究所;北京大学物理化学研究所
  • 发布日期:1990-02-15

Studies on olefin-coordinating transition metal carbene complexes: XVI, an unusual ring-opening reaction of tetrafluorobenzobicyclo chelated diallyl dicarbonyliron complexes

CHEN JIABI;YIN JIANGUO;XU WEI;LAI LUHUA;ZHANG ZEYING;SHAO MEICHENG   

  • Published:1990-02-15

四氟苯并双环[2,2,2]辛三烯三羰基铁(C12H6F4)-Fe(CO)3(1)与芳基锂试剂ArLi(Ar=C6H5、o-, m-, p-CH3C6H4、p-CH3OC6H4、p-CiC6H4), 在低温下反应, 生成的酰羰基锂盐中间体用三乙基氧 -四氟硼酸盐(Et3OBF4)在水溶液中于0℃进行烷基化时, 双环烯烃配体开环, 生成组成为(C12H6F4)(CO)2FeC(OC2H5)Ar的螯合双烯丙基二羰基铁配合物(2-7), 配合物5的晶体属单斜晶系, 晶胞参数为;a=16.870(4), b=13.707(4), c=19.361(4)A, β=107.92(2)°.V=4259(1)A^3, Z=8, 空间群为C^62h-C2/c, 最后的偏离因子R=0.0409, Rw=0.0391。

关键词: 苯 P, 铁络合物, 羰基络合物, 碳烯, 锂化合物, 羰基化合物, 铁化合物, 开环反应, 氟代烃, 过渡金属络合物

Reaction of the title compound with ArLi (Ar = Ph; o-, m-, p-tolyl; p-MeOC6H4; p-ClC6H4) in ether at low temps., and subsequent alkylation of the formed acylmetalates with Et3OBF4 in aqueous solution at 0?led to the novel ring-opening reaction of the bicyclodiene ligand to give the chelated diallyl dicarbonyliron complexes of composition (C12H6F4)(CO)2FeC(OC2H5)Ar. The structure of one complex was determine by x-ray crystallog.

Key words: BENZENE P, IRON COMPLEX, CARBONYL COMPLEX, CARBENE, LITHIUM COMPOUNDS, CARBONYL COMPOUNDS, IRON COMPOUNDS, RING CLEAVAGE REACTION, FLUOROHYDROCARBON, TRANSITION METAL COMPLEX

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