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Catalytic mononitration of phenol using iso-propyl nitrate over zeolite catalysts

Smith, Keith, Ajarim, Mansour Dahish, El-Hiti, Gamal A. and Peters, Christelle 2009. Catalytic mononitration of phenol using iso-propyl nitrate over zeolite catalysts. Topics in Catalysis 52 (12) , pp. 1696-1700. 10.1007/s11244-009-9304-3

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Abstract

Mononitration of phenol was investigated using iso-propyl nitrate as a nitrating agent over various zeolite catalysts under different reaction conditions. Zeolite Hβ with a low Si/Al ratio (12.5) was found to be an active catalyst for nitration of phenol under reflux conditions in dichloroethane, producing 2- and 4-nitrophenols in a ratio of around 1:1. However, zeolites H-mordenite, HY and Hβ (with high Si/Al ratio—150 or 300) gave 2-nitrophenol as the major product (ortho/para ratio = ca. 2–3).

Item Type: Article
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Nitration ; Phenol ; Nitrophenols ; Zeolite catalysis ; Hb ; Regioselectivity
Publisher: Springer
ISSN: 1022-5528
Last Modified: 02 Jan 2018 21:27
URI: http://orca-mwe.cf.ac.uk/id/eprint/6123

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