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A low-temperature ammonium ylid rearrangement: enhanced reactivity engendered by rigidity

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Sancon, J. and Sweeney, J.B. (2008) A low-temperature ammonium ylid rearrangement: enhanced reactivity engendered by rigidity. Synlett (14). pp. 2213-2214. ISSN 0936-5214 doi: 10.1055/s-2008-1078256

Abstract/Summary

Sigmatropic rearrangement of tetrahydropyridine-derived ammonium is a valuable method for the preparation of substituted prolines. These reaction normally require elevated temperatures to proceed, but bicyclic tetrahydropyridine-like ylid I undergoes rearrangement at -15 degrees C; the extra rigidity of the azabicyclo[3.3.0]octene system preorganizes the transition state and lowers the activation energy for rearrangement.

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Item Type Article
URI https://centaur.reading.ac.uk/id/eprint/11596
Identification Number/DOI 10.1055/s-2008-1078256
Refereed Yes
Divisions Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
Uncontrolled Keywords catalytic, rearrangement, activation, H-3, HT2C , FORMAL SYNTHESIS, CONSTRUCTION, ACID
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