Synthetic Factors Governing Access to Tris(β-diketimine) Cyclophanes versus Tripodal Tri-β-aminoenones.

Synthetic Factors Governing Access to Tris(β-diketimine) Cyclophanes versus Tripodal Tri-β-aminoenones.
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DOI:
10.1021/acs.joc.0c01708
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发表时间:
2020-11-06
期刊:
The Journal of organic chemistry
影响因子:
--
通讯作者:
Murray LJ
Murray LJ
中科院分区:
其他
文献类型:
--
作者:
Eaton MC;Knight BJ;Brahmi R;Ferreira RB;Catalano VJ;Rheingold AL;Ghiviriga I;Murray LJ

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Tris(β-diketimine) cyclophanes are an important ligand class for investigating cooperative multimetallic interactions of bio-inorganic clusters. Discussed herein are the synthetic factors governing access to tris(β-diketimine) cyclophanes vs. tripodal tri-β-aminoenones. Cyclophanes bearing Me, Et, and MeO cap substituents and β-Me, Et, or Ph arm substituents are obtained, and a modified condensation method produced the α-Me β-Me cyclophane. These operationally simple procedures produce the ligands in gram quantities and in 22–94% yields.
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