Abstract
The cobalt(II) complexes of D2-symmetric chiral porphyrins, such as 3,5-Di(t)Bu-ChenPhyrin P5, can catalyze asymmetric olefin aziridination with diphenylphosphoryl azide (DPPA) as a nitrene source. Acceptable asymmetric inductions were observed for the [Co(P5)]-based catalytic system, forming the desired N-phosphorus-substituted aziridines in moderate to high yields and good enantioselectivities.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Alkenes / chemistry*
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Azides / chemistry*
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Aziridines / chemical synthesis*
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Aziridines / chemistry
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Catalysis
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Cobalt / chemistry*
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Molecular Structure
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Organometallic Compounds / chemistry*
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Porphyrins / chemistry*
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Stereoisomerism
Substances
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Alkenes
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Azides
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Aziridines
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Organometallic Compounds
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Porphyrins
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Cobalt
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diphenylphosphorazidate