Smith, Keith  ORCID: https://orcid.org/0000-0003-4838-5651, Al-Khalaf, Alaa K. H., El-Hiti, Gamal A. and Pattisson, Samuel David
2012.
Highly regioselective di-tert-amylation of naphthalene over reusable H-mordenite zeolite.
Green Chemistry
14
(4)
, pp. 1103-1110.
10.1039/c2gc16443d
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Abstract
Highly regioselective di-tert-amylation of naphthalene using different alcohols can be achieved over a H-mordenite (HM) zeolite. For example, the tert-amylation of naphthalene using tert-amyl alcohol in cyclohexane over HM (Si/Al = 10) zeolite has been optimised to give a 70% yield of 2,6-dialkylnaphthalenes, of which 2,6-di-tert-amylnaphthalene was produced in 46% yield along with 2-tert-amyl-6-tert-butylnaphthalene (23%) and 2,6-di-tert-butylnaphthalene (1%). This has been achieved by varying the reaction time, temperature, pressure and amounts of tert-amyl alcohol and zeolite. No 2,7-dialkylnaphthalenes were seen under the conditions tried. The zeolites can be easily regenerated by heating and then reused.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Publisher: | RCS |
| ISSN: | 1463-9262 |
| Last Modified: | 05 Aug 2026 04:47 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/23522 |
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