absolute configuration造句

• The study provides support for the biosynthetic route of nargenicin and absolute configuration.
• Until 1951 it was not possible to obtain the absolute configuration of chiral compounds.
• The absolute configuration was determined the comparison of calculated and experimental vibrational circular dichroism.
• The measurement of absolute configuration is also facilitated by the presence of atoms heavier than oxygen.
• The crystal structure of butaclamol hydrobromide and the absolute configuration and crystal structure of dexclainol hydrobromide.
• It is also interesting that the olefin product s absolute configuration mimics that of Balaram s disulfide peptide.
• The concept of Fischer, who had used glyceraldehyde as the prototype and assigned randomly its absolute configuration.
• In 1990, Barry Trost presented an enantioselective synthesis of rocaglamide in 18 steps and confirmed its absolute configuration.
• Absolute configurations for a chiral molecule ( in pure form ) are most often obtained by X-ray crystallography.
• Shorter wavelengths make the observable differences in measured intensities smaller, thereby making the distinction of absolute configuration more difficult.
• One of the most accurate ways of determining the chirality of compound is to determine its absolute configuration by Xray Crystallography.
• Assignment of absolute configuration of spiro compounds has been challenging, but a number of each type have been unequivocally assigned.
• The absolute configuration of the seven chiral carbon atoms in ajmalan is defined by convention, as is the numbering system.
• Kurt Mislow served as the advisor on his dissertation, " The Absolute Configurations of Sulfoxides and Sulfinates ".
• The absolute configuration of ceriporic acids, their stereoselective biosynthetic pathway and the diversity of their metabolites have been discussed in detail.
• The chiral ( absolute configuration " S " ) version of this compound is an intermediate to launched retroviral drugs.
• Also noteworthy is the fact that when a cyclohexane undergoes a ring flip, the absolute configurations of the sterocenters do not change.
• Thus the absolute configuration of (  " )-glyceric acid must be the same as that of ( + )-glyceraldehyde.
• It is assumed that the stereochemistry results from the activity of the domains and the absolute configuration is specified by the overall PKS complex.
• The structure and absolute configuration of the triol were determined by nuclear magnetic resonance ( NMR ) spectroscopy and later confirmed by x-ray crystallography.