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Tandem [3+2]-cycloaddition [2,3]-sigmatropic rearrangement reaction of allenyl sulfoxides with nitrones

✍ Scribed by Albert Padwa; Bryan H. Norman; John Perumattam

No coin nor oath required. For personal study only.

✦ Synopsis

The cycloaddition reaction of 2,4-dinitrophenylsulfinylpropadiene with several nitrones has been investigated.

The initial 3+2-cycloadduct readily undergoes a subsequent 2,3sigmatropic rearrangement.

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