Helvetica Chimica Acta p. 2191 - 2203 (1997)
Update date:2022-08-02
Topics:
Carell, Thomas
Epple, Robert
Gramlich, Volker
Herein, we report a convenient method for the preparation of four benzyl-ester-protected, (carboxymethyl)-functionalized cyclobuta-fused uracil dimers 1-4, including the desired cis-cisoid-cis,syn-configured isomer 1, a compound which is suitable for the preparation of catalytic antibodies, synthetic receptors, and model compounds, required for the investigation of the DNA-lesion, recognition step and DNA-repair mechanisms. A comprehensive structure determination of each isomer by 1H-NMR, and in the case of the cis-cisoid-cis,syn-and the cis-transoid-cis-cis,syn-dimers by X-ray crystal-structure analysis, is also provided.
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