✦ LIBER ✦

In situ PHIP NMR — a new tool to investigate hydrogenation mediated by colloidal catalysts

✍ Scribed by Andreas Eichhorn; Andreas Koch; Joachim Bargon

Book ID: 104421507
Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 66 KB
Volume: 174
Category: Article
ISSN: 1381-1169
DOI: 10.1016/s1381-1169(01)00195-9

No coin nor oath required. For personal study only.

✦ Synopsis

It is known that some colloidal catalysts show "homogeneous"-like behavior, but it is unclear which parameters define the borderline between heterogeneous, i.e. surface reactions, and homogeneous-type catalysis of colloidal systems. The reaction of ethynylbenzene (phenylacetylene) with parahydrogen using the colloidal palladium catalyst Pd x [(N(octyl) 4 Cl] y leads to nuclear spin polarization in the hydrogenation products. Accordingly, the in situ NMR method parahydrogen induced polarization (PHIP) is an appropriate tool to investigate hydrogenation mediated by colloidal catalysts.

📜 SIMILAR VOLUMES

Nuclear singlet/triplet mixing during hy

Nuclear singlet/triplet mixing during hydrogenations with parahydrogen: an in situ NMR method to investigate catalytic reaction mechanisms and their kinetics. 2. Homogeneous hydrogenation of 1,4-dihydro-1,4-epoxynaphthalene using different rhodium catalysts

✍ Kating, P.; Wandelt, A.; Selke, R.; Bargon, J. 📂 Article 📅 1993 🏛 American Chemical Society 🌐 English ⚖ 633 KB