DIELS-ALDER VERSUS HETERODIENE IN THE REACTION BETWEEN 4-ARYLIDENE-5-PYRAZOLONES AND 2,3-DIMETHYLBUTADIENE: THE EFFECT OF ACID CATALYSIS

DOI: 10.1016/S0040-4020(01)86030-0

Source and publish data:

Tetrahedron p. 5229 - 5242 (1988)

Update date:2022-07-31

Topics:

Authors:

Brugnolotti, M.

Coda, A. Corsico

Desimoni, G.

Faita, G.

Invernizzi, A. Gamba

et al. et al.

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Article abstract of DOI:10.1016/S0040-4020(01)86030-0

The thermal reaction between (E) or (Z)-pyrazolones (1) and 2,3-dimethylbutadiene (2) gave 1,2-dimethyl-5-arylcyclohexen-4-spiro-4'(1'-phenyl-3'-substituted-5'-pyrazolones) (3, 4), from a Diels-Alder reaction, and 4-aryl-2-isopropenyl-2-methyl-5-substitut

Full text of DOI:10.1016/S0040-4020(01)86030-0

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