Measuring Reaction Kinetics by Using Multiple Microcoil NMR Spectroscopy

2003 ◽  
Vol 42 (38) ◽  
pp. 4669-4672 ◽  
Author(s):  
Luisa Ciobanu ◽  
Dimuthu A. Jayawickrama ◽  
Xiaozhong Zhang ◽  
Andrew G. Webb ◽  
Jonathan V. Sweedler
Keyword(s):  
Nmr Spectroscopy ◽  
Reaction Kinetics ◽  
Microcoil Nmr

Measuring Reaction Kinetics by Using Multiple Microcoil NMR Spectroscopy

2003 ◽  
Vol 115 (38) ◽  
pp. 4817-4820 ◽  
Author(s):  
Luisa Ciobanu ◽  
Dimuthu A. Jayawickrama ◽  
Xiaozhong Zhang ◽  
Andrew G. Webb ◽  
Jonathan V. Sweedler
Keyword(s):  
Nmr Spectroscopy ◽  
Reaction Kinetics ◽  
Microcoil Nmr

scholarly journals Analysis of mass-limited mixtures using supercritical-fluid chromatography and microcoil NMR

The Analyst ◽  
2015 ◽  
Vol 140 (18) ◽  
pp. 6217-6221 ◽  
Author(s):  
Michael C. D. Tayler ◽  
S. (Bas) G. J. van Meerten ◽  
Arno P. M. Kentgens ◽  
P. Jan M. van Bentum
Keyword(s):  
Nmr Spectroscopy ◽  
Supercritical Fluid ◽  
Supercritical Fluid Chromatography ◽  
Low Cost ◽  
Microcoil Nmr

A protocol combining rapid and low-cost chromatography and NMR spectroscopy is demonstrated.

Measurement of p-Toluenesulfonic Acid-Catalyzed Reaction Kinetics of 1,2-Propylene Glycol Acetylation Using In Situ1H NMR Spectroscopy

2013 ◽  
Vol 52 (27) ◽  
pp. 9337-9342 ◽  
Author(s):  
Arati Santhanakrishnan ◽  
Lars Peereboom ◽  
Dennis J. Miller ◽  
Adina Dumitrascu ◽  
Patrick B. Smith
Keyword(s):  
Nmr Spectroscopy ◽  
Reaction Kinetics ◽  
Propylene Glycol ◽  
Toluenesulfonic Acid ◽  
Acid Catalyzed ◽  
Kinetics Of

scholarly journals Structure and conformational analysis of spiroketals from 6-O-methyl-9(E)-hydroxyiminoerythronolide A

2015 ◽  
Vol 11 ◽  
pp. 1447-1457 ◽  
Author(s):  
Ana Čikoš ◽  
Irena Ćaleta ◽  
Dinko Žiher ◽  
Mark B Vine ◽  
Ivaylo J Elenkov ◽  
...  
Keyword(s):  
Double Bond ◽  
Nmr Spectroscopy ◽  
Conformational Analysis ◽  
Reaction Kinetics ◽  
Molecular Modelling ◽  
Lactone Ring ◽  
Facile Synthesis ◽  
One Pot ◽  
Unexpected Formation ◽  
Spontaneous Change

Three novel spiroketals were prepared by a one-pot transformation of 6-O-methyl-9(E)-hydroxyiminoerythronolide A. We present the formation of a [4.5]spiroketal moiety within the macrolide lactone ring, but also the unexpected formation of a 10-C=11-C double bond and spontaneous change of stereochemistry at position 8-C. As a result, a thermodynamically stable structure was obtained. The structures of two new diastereomeric, unsaturated spiroketals, their configurations and conformations, were determined by means of NMR spectroscopy and molecular modelling. The reaction kinetics and mechanistic aspects of this transformation are discussed. These rearrangements provide a facile synthesis of novel macrolide scaffolds.

Measuring reaction kinetics in a lab-on-a-chip by microcoil NMR

Lab on a Chip ◽  
2005 ◽  
Vol 5 (3) ◽  
pp. 280 ◽  
Author(s):  
Henk Wensink ◽  
Fernando Benito-Lopez ◽  
Dorothee C. Hermes ◽  
Willem Verboom ◽  
Han J. G. E. Gardeniers ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Lab On A Chip ◽  
Microcoil Nmr
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