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SYNTHESIS OF HOMOCHIRAL BIS(OXAZOLINYL) PYRIDINE TYPE LIGANDS FOR ASYMMETRIC CYCLOPROPANATION REACTIONS
被引:46
|作者:
GUPTA, AD
[1
]
BHUNIYA, D
[1
]
SINGH, VK
[1
]
机构:
[1] INDIAN INST TECHNOL,DEPT CHEM,KANPUR 208016,UTTAR PRADESH,INDIA
来源:
关键词:
D O I:
10.1016/S0040-4020(01)85684-2
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Homochiral bis(oxazolinyl)pyridine type ligands were synthesized from (S)-valine and converted into their Cu(II) complexes. Reduction of these Cu(II) complexes into Cu(I) with diazoesters was studied by uv-vis and epr spectroscopy. The enantioselective cyclopropanation reaction was carried out using styrene as a model substrate.
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页码:13725 / 13730
页数:6
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