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Dive into the research topics where Leslie A. Cohen is active.

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Featured researches published by Leslie A. Cohen.


Tetrahedron Letters | 1982

Aza-claisen rearrangements in the 2-allyloxy substituted oxazole system

Albert Padwa; Leslie A. Cohen

Abstract Thermolysis and photolysis of several 2-allyloxy substituted 4,5-diphenyloxazoles results in a sigmatropic reorganization to give substituted oxazolin-2-ones.


Tetrahedron Letters | 1981

Sigmatropic rearrangements in the allyl substituted oxazolinone system

Albert Padwa; Mitsuo Akiba; Leslie A. Cohen; J. Gavin MacDonald

Abstract Thermolysis and photolysis of several allyl substituted oxazolin-5-ones results in a sigmatropic rearrangement in accord with orbital symmetry predictions.


Journal of Organic Chemistry | 1983

Aza Cope rearrangements in the cyclopropenyl- and allyl-substituted .DELTA.2-oxazolinone systems

Albert Padwa; Mitsuo Akiba; Leslie A. Cohen; J. Gavin MacDonald


Journal of Organic Chemistry | 1984

Studies dealing with the aza-Claisen rearrangement of 2-allyloxy-substituted oxazoles

Albert Padwa; Leslie A. Cohen


Journal of Organic Chemistry | 1982

Photochemistry of cyclopropene derivatives. Synthesis and photorearrangement of a 3-acyl-substituted cyclopropene

Albert Padwa; Mitsuo Akiba; Chuen S. Chou; Leslie A. Cohen


Journal of the American Chemical Society | 1984

On the mechanism of the thermal conversion of cyclopropenyl-substituted oxazolinones to pyridines

Albert Padwa; Leslie A. Cohen; Henry L. Gingrich


Journal of the American Chemical Society | 1982

Small ring heterocycles. Role of azabenzvalenes in the thermolysis of 3-cyclopropenyl substituted oxazolinones

Albert Padwa; Mitsuo Akiba; Leslie A. Cohen; Henry L. Gingrich; Nobumasa Kamigata


ChemInform | 1982

SMALL RING HETEROCYCLES. ROLE OF AZABENZVALENES IN THE THERMOLYSIS OF 3-CYCLOPROPENYL SUBSTITUTED OXAZOLINONES

Albert Padwa; Mitsuo Akiba; Leslie A. Cohen; Henry L. Gingrich; N. Kamigata


ChemInform | 1982

PHOTOCHEMISTRY OF CYCLOPROPENE DERIVATIVES. SYNTHESIS AND PHOTOREARRANGEMENT OF A 3-ACYL-SUBSTITUTED CYCLOPROPENE

Albert Padwa; Mitsuo Akiba; Chuen S. Chou; Leslie A. Cohen


ChemInform | 1984

ON THE MECHANISM OF THE THERMAL CONVERSION OF CYCLOPROPENYL-SUBSTITUTED OXAZOLINONES TO PYRIDINES

Albert Padwa; Leslie A. Cohen; Henry L. Gingrich

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Nobumasa Kamigata

Tokyo Metropolitan University

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