RecordNumber
161
Doc. No.
80A
Call. No.
80A
Author
Dabbagh, Hossein A.,Davis, Burtron H
Title of Article
question of aromatic ring expansion-contraction for conversions with a ZSM-5 catalyst
Title Of Periodical
JOURNAL OF CATALYSIS
VolumNumber
V.127
Date
(1991)
Page
P.96-100
Descriptors
ZSM-5,Carbon-14 studies,Ring expansion,Isomerization
Abstract
Toluene,labeled with 14C in either the methyl position or uniformly in the aromatic ring, did not undergo a measurable amount of either ring expansion-contraction or ring degradation to produce ethene at temperatures up to 350 C. Ethylbenzene dealkylation and disprortionation and xylene isomerization occur to produce equilibrium mixtures of diethylbenzenes or xyenes under these reaction conditions,hence,ring expansion-contraction must be much slower than theses isomerization reactions.
Indexer
1376/08
IndexDate
Shahsvary
اطلاعات ثبت
GN111386