An entrapped Rh complex prepared by a sol-gel process has been used as a catalyst in the Pauson-Khand reaction under mild reaction conditions; the catalyst is easily recovered and reused at least 10 times without losing catalyst activity. © 2003 Published by Elsevier Science Ltd.
Park, K. H., Son, S. U., & Chung, Y. K. (2003). Pauson-Khand reactions catalyzed by entrapped rhodium complexes. Tetrahedron Letters, 44(14), 2827–2830. https://doi.org/10.1016/S0040-4039(03)00434-9