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 Dec 2023 14:50
URI:	https://orca.cardiff.ac.uk/id/eprint/6123

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