A green, simple and effective polymer‐supported catalytic system has been developed for the cyclization of propargyl alcohols with carbon dioxide (CO 2 ). α‐Alkylidene cyclic carbonates were obtained in satisfactory isolated yields in most cases. The catalyst could be recovered by simple filtration and reused several times without significant loss of activity. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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Jiang et al. (2008) studied this question.
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