ALKYL-C VERSUS PHENYL-C REACTIVITY IN UNSYMETRICAL CYCLOPROPENONES. REACTION OF METHYLPHENYLCYCLOPROPENONE WITH PYRAZOLES.

DOI: 10.1016/S0040-4020(01)80307-0

Source and publish data:

Tetrahedron p. 381 - 386 (1993)

Update date:2022-07-31

Topics:

Authors:

Kascheres, Albert

Filho, Jair Correa

Cunha, Silvio

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Article abstract of DOI:10.1016/S0040-4020(01)80307-0

Methylphenylcyclopropenone (1) reacts with pyrazole and 3,5-dimethylpyrazole to afford ketones (2) resulting from initial nucleophilic attack at methyl-C, in agreement with an AM1 calculation performed on 1.Intermediacy of dipolar species 3 accounts for p

Full text of DOI:10.1016/S0040-4020(01)80307-0

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