EXTENDED DIPOLAR CYCLOADDITION REACTIONS OF 3-DIAZOPYRAZOLES WITH ELECTRON RICH OLEFINS

DOI: 10.1016/S0040-4039(01)90273-4

Source and publish data:

Tetrahedron Letters p. 1199 - 1202 (1981)

Update date:2022-08-03

Topics:

Authors:

Padwa, Albert

Kumagai, Tsutomo

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Article abstract of DOI:10.1016/S0040-4039(01)90273-4

3-Diazo-4-methyl-5-phenylpyrazole readily adds to electron rich olefins to give 1,7-cycloadducts.The mechanism of the reaction consists of an initial 1,3-dipolar cycloaddition followed by a subsequent rearrangement.

Full text of DOI:10.1016/S0040-4039(01)90273-4

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