Synonymer & Information om | Engelska ordet STEREOISOMER

Exempel på hur man kan använda STEREOISOMER i en mening

• In organic chemistry, the Cahn–Ingold–Prelog (CIP) sequence rules (also the CIP priority convention; named after Robert Sidney Cahn, Christopher Kelk Ingold, and Vladimir Prelog) are a standard process to completely and unequivocally name a stereoisomer of a molecule.
• However, the enzyme JMJD6 has recently been shown to be a lysyl hydroxylase which modifies an RNA splicing factor producing the (5S) stereoisomer.
• Tetrahydroprogesterone, any of four stereoisomer neurosteroid metabolites of progesterone with the word pregnanolone.
• In stereochemistry, a stereocenter of a molecule is an atom (center), axis or plane that is the focus of stereoisomerism; that is, when having at least three different groups bound to the stereocenter, interchanging any two different groups creates a new stereoisomer.
• In the United States, zopiclone is not commercially available, although its active stereoisomer, eszopiclone, is.
• For a chiral molecule with one or more stereocenter, the enantiomer corresponds to the stereoisomer in which every stereocenter has the opposite configuration.
• Exposure to the coplanar stereoisomer 3,3',4,4',5,5'-hexabromobiphenyl (but not the non-coplanar stereoisomer) in genetically susceptible mice is known to cause immunotoxicity and disorders related to the central nervous system, and even at doses as low as 2.
• In kinetic resolution of a racemic mixture, the presence of a chiral object (the enzyme) converts one of the stereoisomers of the reactant into its product at a greater reaction rate than for the other reactant stereoisomer.
• Ethambutol contains two constitutionally symmetrical chiral centers in its structure and exists in three stereoisomeric forms, the enantiomeric pair (+)-(S,S)- and (−)-(R,R)-ethambutol, along with the achiral stereoisomer called meso-form.
• Another interesting point is that it utilizes two amino acids uncommon in peptides: ornithine as well as the atypical stereoisomer of phenylalanine.
• Deltamethrin is a pyrethroid composed of a single stereoisomer, of a possible 8 stereoisomers, selectively prepared by the esterification of (1R,3R)- or cis-2,2-dimethyl-3-(2,2-dibromovinyl)cyclopropanecarboxylic acid with (alpha,S)- or (+)-alpha-cyano-3-phenoxybenzyl alcohol or by selective recrystallization of the racemic esters obtained by esterification of the (1R,3R)- or cis-acid with the racemic or (alpha-R, alpha-S, or alpha-R/S)- or + or − alcohol.
• Composed of an isotactic crystalline stereoisomer of polypropylene, Prolene sutures are intended to be durable and long lasting.
• In cases where the Grignard reagent is adding to an aldehyde or a prochiral ketone, the Felkin-Anh model or Cram's Rule can usually predict which stereoisomer will be formed.
• In particular, CYP2C9 metabolizes arachidonic acid to the following eicosatrienoic acid epoxide (EETs) stereoisomer sets: 5R,6S-epoxy-8Z,11Z,14Z-eicosatetraenoic and 5S,6R-epoxy-8Z,11Z,14Z-eicosatetraenoic acids; 11R,12S-epoxy-8Z,11Z,14Z-eicosatetraenoic and 11S,12R-epoxy-5Z,8Z,14Z-eicosatetraenoic acids; and 14R,15S-epoxy-5Z,8Z,11Z-eicosatetraenoic and 14S,15R-epoxy-5Z,8Z,11Z-eicosatetraenoic acids.
• 4-Hydroxyphenylglycine transferase synthesizes the (S) stereoisomer of DHPG, however, an epimerase switches the stereocenter to the (R) configuration after DHPG is incorporated into the vancomycin non-ribosomal polypeptide.
• ALOX15 and Alox15 enzymes act with a high degree of stereospecificity to form products that position the hydroperoxy residue in the S stereoisomer configuration.
• ALOX12 is also distinguished from arachidonate 12-lipoxygenase, 12R type (ALOX12B), which metabolizes arachidonic acid to the R stereoisomer of 12(S)-HpETE viz.
• 15-LOX-2 converts arachidonic acid almost exclusively to the S stereoisomer of 15-Hydroperoxyicosatetraenoic acid which is commonly reduced to the S stereoisomer 15-Hydroxyeicosatetraenoic acid by ubiquitous cellular peroxidases; it metabolizes linoleic acid less effectively, converting this fatty acid to the S stereoisomer of 13-hydroperoxyoctadecadienoic acid which is likewise rapidly reduced to the S stereoisomer of 13-Hydroxyoctadecadienoic acid.
• Levoamphetamine is the levorotatory stereoisomer of the racemic amphetamine molecule, whereas dextroamphetamine is the dextrorotatory isomer.
• Scyllo-inositol, a cyclohexanehexol stereoisomer Also known as Scyllitol, Cocositol, Quercinitol, 1,3,5/2,4,6-Hexahydroxycyclohexane.

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