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Understanding methane aromatization on a Zn-modified high-silica zeolite
被引:148
作者:
Luzgin, Mikhail V.
[1
]
Rogov, Vladimir A.
[1
]
Arzumanov, Sergei S.
[1
]
Toktarev, Alexander V.
[1
]
Stepanov, Alexander G.
[1
]
Parmon, Valentin N.
[1
]
机构:
[1] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
关键词:
mass spectrometry;
methane;
NMR spectroscopy;
reaction mechanisms;
zeolites;
D O I:
10.1002/anie.200800317
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
It takes two: A high level of conversion of 13C atoms of methane into the products of methane/propane coaromatization on zeolite Zn/H-BEA has been demonstrated by 13C solid-state NMR spectroscopic analysis and GC-MS. The isotope-labeling experiments show the mechanism consists of the methylation of aromatic compounds formed from the propane followed by ring-expansion/contraction (see scheme). (Chemical Equation Presented). © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
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页码:4559 / 4562
页数:4
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