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Selective dehydration of 3β-hydroxy-5α-androstan-17-one over sulfonic acid-incorporated-MCM-41 mesoporous materials

Paper ID Volume ID Publish Year Pages File Format Full-Text
51749 46853 2008 4 PDF Available
Title
Selective dehydration of 3β-hydroxy-5α-androstan-17-one over sulfonic acid-incorporated-MCM-41 mesoporous materials
Abstract

Sulfonic acid-incorporated-MCM-41 mesoporous materials show exceptional yield and regioselectivity for Δ2-olefin in the dehydration of 3β-hydroxy-5α-androstan-17-one (epiandrosterone), due to its specific orientation on the sulfonic acid sites located on the surface of the large pores, allowing it to adopt a sufficiently tilted structure with small steric hindrance. The preferred orientation of epiandrosterone on the surface without any steric limitation was confirmed by theoretical calculation using a simplified surface model.

Keywords
Sulfonic acid; Dehydration; MCM-41 mesoporous material; Epiandrosterone; Zeolite; Regioselectivity
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Selective dehydration of 3β-hydroxy-5α-androstan-17-one over sulfonic acid-incorporated-MCM-41 mesoporous materials
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 14, 30 August 2008, Pages 2312–2315
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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