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Catalysis Communications
Article . 2009 . Peer-reviewed
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Isomerization of exo-tetrahydrodicyclopentadiene to adamantane using an acidity-adjustable chloroaluminate ionic liquid

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2009 English Publisher:Elsevier BVJournal:Catalysis Communications, volume 10, pages 1,747-1,751 (issn: 1566-7367, Copyright policy )
Authors: Ming-Yu Huang; Jung-Chung Wu; Fuh Sheng Shieu; Jiang-Jen Lin;

doi: 10.1016/j.catcom.2009.05.030

Isomerization of exo-tetrahydrodicyclopentadiene to adamantane using an acidity-adjustable chloroaluminate ionic liquid

Abstract

Abstract Adamantane (ADM) was synthesized by isomerization of exo -tetrahydrodicyclopentadiene (e xo -THDCPD) using chloroaluminate ionic liquids (ILs) as the catalyst. The yield of ADM was optimized to obtain 21.9% under the conditions of 70 °C for 6 h and pyridine hydrochloride/aluminum trichloride catalyst (PHC/AlCl 3 ) at an AlCl 3 mole fraction of 0.65. Under these conditions, the selectivity of ADM was 66% and the product mixture was easily recovered from the IL catalyst phase. It is proposed that endo -/ exo -isomerization occurs via a carbocation mechanism leading to ADM, the main product, with ring-opening to decalin and other C 10 H 18 by-products.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
24
Top 10%
Top 10%
Average
gold