Results 1 - 10 for Zwitterion

Zwitterion Chromatography - ZIC™
A novel technique, with unique selectivity, suitable for preparative scale separations?
http://www.nestgrp.com/pdf/Zp1/ZIC_02poster.pdf
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EUROPEAN PATENT SPECIFICATION
Examples ofoxapenem compounds which are capable of forminga zwitterion are compounds of Formula Iawhereinthe CO 2-has been protonated toCO 2 Hand the Rgroups are-(CH 2) 4 NH 2, -(CH 2) 3 NH 2 ...
https://data.epo.org/publication-server/getpdf.jsp?pn=1326607&ki=B1&cc=EP
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KEFLEX® Capsules (Cephalexin, USP)
The compound is a zwitterion; i.e., the molecule contains both a basic and an acidic group. The isoelectric point of cephalexin in water is approximately 4.5 to 5.
http://www.keflex.com/documents/Keflex750mg_PI.pdf
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NO CATALYST COPOLYMERIZATION BY SPONTANEOUS INITIATION MECHANISM
A phosphonium zwitterion 40 was suggested as the key intermediate, although complex reactions were assumed besides simple zwitterion propagation.
http://www.iupac.org/publications/pac/48/3/0307/pdf/
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Blushing of Amine-Cured Epoxy Resins
When the zwitterion deprotonation reactions are rate limiting, the overall reaction rate appears to be second order in the amine concentration.
http://www.huntsman.com/performance_products/Media/Blushing_of_Amine-Cured_Epoxy_Resins.pdf
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Stereochemical assignment by X-ray crystallography to the product of ...
Stereochemical assignment by X-ray crystallography to the product of trapping by solvent of the intermediate zwitterion on irradiation of a 2,5-cyclohexadienone ANCELO C ...
http://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc?_handler_=HandleInitialGet&journal=cjc&volume=63&calyLang=f...
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cificities of >99.94 and >99.997 % were evaluated for the ...
ReversibiLity of Zwitterion Formation In-ftuence ot SoLvent Polarity on Rate Structure - Rate Relationship
http://www.iupac.org/publications/pac/53/1/0171/pdf/
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The aqueous and crystalline forms of L-alanine zwitterion
Apr 20, 2007 The aqueous and crystalline forms of L-alanine zwitterion Ivan Degtyarenko, *, 1 Karl J. Jalkanen, 2 Andrey A. Gurtovenko 3 and Risto M. Nieminen 1 1 Laboratory of ...
http://arxiv.org/pdf/0704.2700.pdf
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Figure 1. The zwitterion N -methyl- N -(butyl sulfonate) pyrrolidinium
Reactive Metal Surfaces in Ionic Liquids Patrick C. Howlett, a Jiazeng Sun, a Maria Forsyth, a Douglas R. MacFarlane b a Department of Materials Engineering, b School of Chemistry ...
http://www.electrochem.org/meetings/scheduler/abstracts/214/0730.pdf
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CC 3 196-197..8439adisk chapter .. Page196
Unprecedented zwitterion in quinonoid chemistry† Olivier Siri and Pierre Braunstein* Laboratoire de Chimie de Coordination, UMR CNRS 7513, Université Louis Pasteur, 4 rue Blaise ...
http://www.rsc.org/delivery/_ArticleLinking/DisplayArticleForFree.cfm?doi=b107828n&JournalCode=CC
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