Preferred Head-to-tail Adduct in the Solid-state [2 + 2] Photodimerization of 2-Pyrone-5-carboxylic Acid

Tetsuro SHIMO; Mitsuhito MATSUSHITA; Weidong WANG; Tetsuo IWANAGA; Teruo SHINMYOZU; Kenichi SOMEKAWA

doi:10.2116/analscix.21.x169

Analytical Sciences: X-ray Structure Analysis Online

Online ISSN : 1348-2238
ISSN-L : 1348-2238

Part 11

Preferred Head-to-tail Adduct in the Solid-state [2 + 2] Photodimerization of 2-Pyrone-5-carboxylic Acid

Tetsuro SHIMO, Mitsuhito MATSUSHITA, Weidong WANG, Tetsuo IWANAGA, Teruo SHINMYOZU, Kenichi SOMEKAWA

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JOURNAL FREE ACCESS

2005 Volume 21 Pages x169-x170

DOI https://doi.org/10.2116/analscix.21.x169

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Abstract

Solid-state photoirradiation of 2-pyrone-5-carboxylic acid afforded a single anti-head-to-tail [2 + 2]dimer at the position of C5-C6 double bonds in the 2-pyrone ring.

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