肉桂醛在掺杂 N 的功能化固体碳球上支撑的钯纳米粒子上的氢化反应

Pub Date : 2024-04-24 DOI:10.24820/ark.5550190.p012.162

N. J. Coville, Alice Magubane, M. Maubane-Nkadimeng

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引用次数: 0

摘要

肉桂醛（CALD）中 C=O 键而非共轭 C=C 键的选择性氢化仍然是一个有趣的挑战。在此，我们探索了固体碳球（SCS）和功能化固体碳球（fSCS）支撑的钯催化剂对 CALD 的选择性氢化。Pd/fSCSs 催化剂（Pd wt.% 3.7）对肉桂醇（CA）的选择性为 85%，CALD 转化率为 99%（6 小时，T = 60 °C），而 Pd/SCSs 催化剂（Pd wt.% 3.6）对 3-苯基-1-丙醇的 CALD 转化率为 100%（4 小时，100% 选择性）。遗憾的是，Pd/fSCSs 催化剂在重复反应中表现出较低的稳定性。

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Hydrogenation of cinnamaldehyde over palladium nanoparticles supported on functionalized N doped solid carbon spheres

Selective hydrogenation of the C=O bond, rather than the conjugated C=C bond, in cinnamaldehyde (CALD) is still an interesting challenge. Herein, Pd catalysts supported on solid carbon spheres (SCSs) and functionalized solid carbon spheres (fSCSs) were explored for the selective hydrogenation of CALD. The Pd/fSCSs catalyst (Pd wt.% 3.7) gave cinnamyl alcohol (CA) selectivity of 85% and CALD conversion of 99% (6 h at T = 60 °C), while the Pd/SCSs catalyst (Pd wt.% 3.6) gave 100% CALD conversion (4 h, 100% selectivity) towards 3-phenyl-1-propanol. The Pd/fSCSs catalyst unfortunately showed poor stability in repeat reactions.

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