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ÒòΪ¶ÔÎÒÀ´ËµÕâ¶Î»°ºÜÖØÒª£¬ÎÒÅÂ×Ô¼ºÀí½âÆ«ÁË Çë´ó¼Ò°ïÎÒ¿´¿´ лл Transesterification, being commonly acid-catalyzed, might be thought a function of the catalyst support and indeed our earlier work (5) showed this can be so. However, copper alone was also a catalyst under conditions similar to those used here,and, indeed, considerable conversion tookplace in an empty tube. Hence we are pessimistic about avoiding transesterification except at such low pressures that the overall course of dehydrogenation might also differ. |
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