Synthesis and photochemistry of spiro[2.5]octa-1,4-dien-3-ones. Reversible biradical formation and biradical-olefin cycloaddition

DOI: 10.1016/0040-4039(96)01246-4

Source and publish data:

Tetrahedron Letters p. 5853 - 5856 (1996)

Update date:2022-09-26

Topics:

Authors:

Schultz, Arthur G.

Taveras, Arthur G.

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Article abstract of DOI:10.1016/0040-4039(96)01246-4

Photolysis of the spiro[2.5]octa-1,4-dien-3-one 9a results in photoisomerization via the nitrile-stabilized biradical 10. Photolysis of dienone 9b in the presence of tetramethylethylene gave spiro[4.5]deca-1,4-dien-3-one 12 by cycloaddition of the intermediate biradical 11 to tetramethylethylene.

Full text of DOI:10.1016/0040-4039(96)01246-4

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