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Tris(boratabenzene) Lanthanum Complexes: Synthesis, Structure, and Reactivity
Alternative Title三硼杂苯镧配合物: 合成、结构和反应性能
Wang CH(王春红); Leng XB(冷雪冰); Chen YF(陈耀峰)
Source PublicationOrganometallics
AbstractA Series of tris(boratabenzerre) lanthanum complexes Were synthesized and structurally characterized. salt elimination of anhydrous LaCl3 with Li[C5H5BR] (R = H, NEt2) provided tris(boratabenzerie) lanthanum complexes [C5H5BH3](3)-LaLiCl (I) and [C(5)H(5)BNBt(2)](3)LaLiCl(THF) (2) in high yields. Hydroboration of 1-hexene or 3-hexyne with I gave the alkyl- or alkenyl-functionalized boratabenzene lanthanum complexes, [C5H5B(CH2)(5)CH3](3)LaLiCI(THF) (3) and [C5H5BC(C2H5)= CH(C2H5)](3)LaLiCl(THF) (4), in good yields. Hydroboration of N,N'-diisopropylcarbodiimide with I gave the monohydroboration product [C5H5BN(Pr-t)CHN(Pr-i)][C5H5BH](2)La (5) due to the steric bulk of the [C5H5BN(Pr-i)CHN(Pr-i)](-) ligand. Complex 5 can undergo further hydroboration with 3-hexyne or dehydrogenative coupling with phenyl acetylene to afford [C5H5BN(Pr-i)-CHN(Pr-i)][C5H5BC(C2H5)=CH(C2H5)](2)La (6) or [C5H5BN(Pr-i)CHN(Pr-i)][C5H5BC CPh)](2)La (7).
Subject Area天然产物有机化学
Indexed BySCI
WOS IDWOS:000358026500016
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Document Type期刊论文
Affiliation中科院上海有机化学研究所, 金属有机化学国家重点实验室
Recommended Citation
GB/T 7714
Wang CH,Leng XB,Chen YF. Tris(boratabenzene) Lanthanum Complexes: Synthesis, Structure, and Reactivity[J]. Organometallics,2015,34(13):3216-3221.
APA 王春红,冷雪冰,&陈耀峰.(2015).Tris(boratabenzene) Lanthanum Complexes: Synthesis, Structure, and Reactivity.Organometallics,34(13),3216-3221.
MLA 王春红,et al."Tris(boratabenzene) Lanthanum Complexes: Synthesis, Structure, and Reactivity".Organometallics 34.13(2015):3216-3221.
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