The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
C–H Activation on Co,O Sites: Isolated Surface Sites versus Molecular Analogs
Abstract
The activation and conversion of hydrocarbons is one of the most important challenges in chemistry. Transition-metal ions (V, Cr, Fe, Co, etc.) isolated on silica surfaces are known to catalyze such processes. The mechanisms of these processes are currently unknown but are thought to involve C-H activation as the rate-determining step. Here, we synthesize well-defined Co(II) ions on a silica surface using a metal siloxide precursor followed by thermal treatment under vacuum at 500 °C. We show that these isolated Co(II) sites are catalysts for a number of hydrocarbon conversion reactions, such as the dehydrogenation of propane, the hydrogenation of propene, and the trimerization of terminal alkynes. We then investigate the mechanisms of these processes using kinetics, kinetic isotope effects, isotopic labeling experiments, parahydrogen induced polarization (PHIP) NMR, and comparison with a molecular analog. The data are consistent with all of these reactions occurring by a common mechanism, involving heterolytic C-H or H-H activation via a 1,2 addition across a Co-O bond.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Spectrometric Identification of Organic Compounds
Silverstein, R. M., & Bassler, G. C. (1962) · Journal of Chemical Education · doi:10.1021/ed039p546 · Cited by 14,272
Cited by
Propane dehydrogenation: catalyst development, new chemistry, and emerging technologies
Chen, S., Chang, X., Sun, G., Zhang, T., Xu, Y., Wang, Y., Pei, C., & Gong, J. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00814a · Cited by 895
Catalytic Applications of Vanadium: A Mechanistic Perspective
Langeslay, R. R., Kaphan, D. M., Marshall, C. L., Stair, P. C., Sattelberger, A. P., & Delferro, M. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00245 · Cited by 503
Zhang, L., Fan, H., Zhang, M., Zhang, H., Wang, H., Liu, B., Zhang, J., Nie, X., Zhang, G., Song, C., et al. (2025) · ACS Catalysis · doi:10.1021/acscatal.5c01412 · Cited by 22
Metadata
- Authors
- Estes, D. P., Siddiqi, G., Allouche, F., Kovtunov, K. V., Safonova, O. V., Trigub, A. L., Koptyug, I. V., & Copéret, C.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-11-07
- Volume
- 138
- Issue
- 45
- Pages
- 14987-14997
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2533433961
- Cited by
- 168
- References
- 1
- FWCI
- 4.60
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: C–H Activation on Co,O Sites: Isolated Surface Sites versus Molecular Analogs. https://app.cochat.ai/papers/10.1021/jacs.6b08705
- The paper
- Estes, D. P., Siddiqi, G., Allouche, F., Kovtunov, K. V., Safonova, O. V., Trigub, A. L., Koptyug, I. V., & Copéret, C. (2016). C–H Activation on Co,O Sites: Isolated Surface Sites versus Molecular Analogs. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.6b08705
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
