Photoaddition of benzophenone to allenic esters

DOI: 10.1016/S0040-4020(01)96131-9

Source and publish data:

Tetrahedron p. 2211 - 2220 (1991)

Update date:2022-08-04

Topics: Regioselectivity Chromatography Mass spectrometry (MS) HPLC (high-performance liquid chromatography) NMR (nuclear magnetic resonance) Benzophenone Stereoselectivity Photosensitizer Quenching Quantum Yield UV Irradiation Triplet State Quencher Singlet oxygen Radical intermediate Photoaddition Photostationary state Exciplex

Authors:

Ishar Ishar

Gandhi Gandhi

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Article abstract of DOI:10.1016/S0040-4020(01)96131-9

Photochemical addition of benzophenone to ethylpenta-2, 3-dienoate (1a), ethyl hexa-2,3-dienoate (1b) and ethyl 4-methylhexa-2,3-dienoate (1c) furnish various mono- and dioxetanes. Novel oxetanes (2a,b) result in the reactions of (1a,b) through addition of benzophenone to electron deficient C₂-C₃ π-bond of the respective esters. A rationalization of the obtained modes of photoaddition has been offered.

Full text of DOI:10.1016/S0040-4020(01)96131-9

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