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Title: Sulfonated Ordered Nanoporous Carbon (CMK-5-SOH) as an Efficient and Highly Recyclable Catalyst for the Silylation of Alcohols and Phenols with Hexamethyldisilazane (HMDS).
Authors: Zareyee, Daryoush; Ghandali, Mohammad; Khalilzadeh, Mohammad
Abstract: An environmentally friendly catalytic system for trimethylsilylation of alcohols and phenols with hexamethyldisilazane can be successfully carried out for the first time over sulfonated mesoporous carbon catalyst (CMK-5-SOH) in dichloromethane at ambient temperature and excellent conversions were obtained. Furthermore, the catalyst displays high activity and thermal stability (to 200 °C) and it can be reused repeatedly for at least 25 cycles without any evidence of loss of activity, confirming the stability of covalent bonding of acidic centers. Graphical Abstract: [Figure not available: see fulltext.].
Subjects: CARBON; NANOSTRUCTURED materials; POROUS materials; CATALYSTS recycling; SILYLATION; ALCOHOLS (Chemical class); PHENOLS; HETEROGENEOUS catalysis
Publication: Catalysis Letters, 2011, Vol 141, Issue 10, p1521
ISSN: 1011-372X
Publication type: Academic Journal
DOI: 10.1007/s10562-011-0621-3

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Sulfonated Ordered Nanoporous Carbon (CMK-5-SOH) as an Efficient and Highly Recyclable Catalyst for the Silylation of Alcohols and Phenols with Hexamethyldisilazane (HMDS).