skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Methyl-ligated tin silsesquioxane catalyzed reactions of glucose

Authors:
; ; ; ; ;
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1359261
Grant/Contract Number:
SC0001004
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Journal of Catalysis
Additional Journal Information:
Journal Volume: 341; Journal Issue: C; Related Information: CHORUS Timestamp: 2017-10-06 15:25:41; Journal ID: ISSN 0021-9517
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

Citation Formats

Brand, Stephen K., Josephson, Tyler R., Labinger, Jay A., Caratzoulas, Stavros, Vlachos, Dionisios G., and Davis, Mark E.. Methyl-ligated tin silsesquioxane catalyzed reactions of glucose. United States: N. p., 2016. Web. doi:10.1016/j.jcat.2016.06.013.
Brand, Stephen K., Josephson, Tyler R., Labinger, Jay A., Caratzoulas, Stavros, Vlachos, Dionisios G., & Davis, Mark E.. Methyl-ligated tin silsesquioxane catalyzed reactions of glucose. United States. doi:10.1016/j.jcat.2016.06.013.
Brand, Stephen K., Josephson, Tyler R., Labinger, Jay A., Caratzoulas, Stavros, Vlachos, Dionisios G., and Davis, Mark E.. Thu . "Methyl-ligated tin silsesquioxane catalyzed reactions of glucose". United States. doi:10.1016/j.jcat.2016.06.013.
@article{osti_1359261,
title = {Methyl-ligated tin silsesquioxane catalyzed reactions of glucose},
author = {Brand, Stephen K. and Josephson, Tyler R. and Labinger, Jay A. and Caratzoulas, Stavros and Vlachos, Dionisios G. and Davis, Mark E.},
abstractNote = {},
doi = {10.1016/j.jcat.2016.06.013},
journal = {Journal of Catalysis},
number = C,
volume = 341,
place = {United States},
year = {Thu Sep 01 00:00:00 EDT 2016},
month = {Thu Sep 01 00:00:00 EDT 2016}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.jcat.2016.06.013

Citation Metrics:
Cited by: 8works
Citation information provided by
Web of Science

Save / Share:
  • This paper investigates the mechanism of the plasma etch induced sidewall damage (carbon depletion, moisture uptake, silanol formation) of porous low-k methyl silsesquioxane (MSQ, k=2.2) films. Etch induced damage was characterized on both blanket and trench patterned MSQ materials. The MSQ materials were etched with CF{sub 4} and C{sub 4}F{sub 8}-based chemistries under various process conditions. Simple CF{sub 4}/O{sub 2} chemistry minimized the damage of porous MSQ during plasma etching. The addition of Ar or H{sub 2} increased the damage. The highest damage levels were observed with simultaneous Ar, H{sub 2}, and N{sub 2} addition. Also, the use of highermore » powers and/or higher pressures resulted in more etch induced damage.« less
  • The kinetics of tert-amyl methyl ether (TAME, 2-methoxy-2-methylbutane) reactions was investigated using a commercial ion exchange resin (Amberlyst 16) as catalyst at temperatures between 324 and 354 K. The rates of reaction were determined experimentally in the liquid phase in a continuous stirred tank reactor at a pressure of 0.8 MPa. Kinetic equations derived for three different mechanisms were compared. In the forward reaction the adsorbed methanol reacted with isoamylene (2-methyl-l-butene or 2-methyl-2-butene) striking from the bulk liquid phase, and in the splitting reaction the adsorbed ether split to alcohol and isoamylene. The kinetic equations were written in terms ofmore » activities, and the activity coefficients were calculated by the UNIQUAC method. The activation energy was determined to be 95 kJ/mol for the splitting reaction of TAME to 2-methyl-l-butene and methanol and 100 kJ/mol for the splitting reaction of TAME to 2-methyl-2-butene and methanol.« less
  • 2-Methyl and 2-ethyl derivatives of cyclohexanone were allowed to react with deuterium in t-BuOD using platinum group metals as catalysts. The product alcohols and the remaining ketone were examined by mass spectrometry. Over Ru, Os, and Ir, the simple addition of two deuterium atoms to the carbonyl linkage was predominant, accompanied by little isotopic exchange. Over Pt, however, isotopic exchange was significant and over Rh and Pd quite extensive. The samples obtained over Rh and Pd were further analyzed by NMR spectroscopy to determine the loci of the incorporated deuterium atoms. Deuterium exchange over Pd was almost entirely confined tomore » the C(2) and C(6) positions, while that over Rh was smeared beyond these positions. These results can be accounted for by assuming the intermediacy of ..pi..-absorbed ..pi..-oxaallylic species on Pd and of ..beta..-diadsorbed species on Rh.« less