Cis–trans isomerism, also known as geometric isomerism, describes certain arrangements of atoms within molecules. The prefixes "cis" and "trans" are from...
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Stereoisomerism (redirect from Stereo-Isomerism)
In stereochemistry, stereoisomerism, or spatial isomerism, is a form of isomerism in which molecules have the same molecular formula and sequence of bonded...
16 KB (1,641 words) - 13:48, 2 August 2024
But-2-ene (redirect from Cis-2-butene)
exhibiting cis/trans-isomerism (also known as (E/Z)-isomerism); that is, it exists as two geometric isomers cis-but-2-ene ((Z)-but-2-ene) and trans-but-2-ene...
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configurations of the molecule. More generally, cis–trans isomerism (formerly called "geometric isomerism") occurs in molecules where the relative orientation...
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Coordination complex (redirect from Fac–mer isomerism)
isomerism, solvate or hydrate isomerism, linkage isomerism and coordination isomerism. Ionisation isomerism – the isomers give different ions in solution...
57 KB (5,548 words) - 12:34, 17 November 2024
Alkene (section Cis–trans isomerism)
exhibit cis–trans isomerism. There may also be chiral carbon atoms particularly within the larger molecules (from C5). The number of potential isomers increases...
48 KB (5,130 words) - 00:46, 30 October 2024
In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted just by rotations about formally single...
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Nepetalactone (redirect from Cis–trans-nepetalactone)
produce 4 different nepetalactone stereoisomers: (cis,cis)-, (cis,trans)-, (trans,cis)- and (trans,trans)-nepetalactone.[clarification needed] Their relative...
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function related to Euler's formula Cis (beetle), genus Cis–trans isomerism, in chemistry cis-regulatory element, regions of non-coding DNA which regulate...
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Trans, Switzerland, a village Cis-trans isomerism, in chemistry, a form of stereoisomerism Trans fat, fats containing trans-isomer fatty acids Trans effect...
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In chemistry, linkage isomerism or ambidentate isomerism is a form of isomerism in which certain coordination compounds have the same composition but...
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Cycloalkene (section Trans isomers)
amount of ring strain needed. In larger rings (8 or more atoms), cis–trans isomerism of the double bond may occur. This stability pattern forms part of...
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=0^{\circ }} for the cis isomer (synperiplanar conformation), and ω = 180 ∘ {\displaystyle \omega =180^{\circ }} for the trans isomer (antiperiplanar conformation)...
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bond, commonly between two sp²-hybridized atoms. Cis–trans isomerism Also referred to as geometric isomers, these compounds have different configurations...
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Proline (redirect from Cis-proline)
hydrogen (trans isomer) offers less steric repulsion to the preceding Cα atom than does the following Cα atom (cis isomer). By contrast, the cis and trans isomers...
23 KB (2,240 words) - 05:28, 11 November 2024
List of cis-regulatory RNA elements Polyadenylation signals, mRNA AU-rich element, mRNA Other Regulation of gene expression Cis-trans isomerism Gene regulatory...
30 KB (3,472 words) - 02:52, 18 February 2024
side) i.e. high priority groups on same side. Cis starts with a C and the functional groups form a C. Trans, therefore is the other one by default. From...
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Descriptor (chemistry) (section cis, trans)
account in the alphabetical sorting. See: cis–trans isomerism The descriptors cis (lat. on this side of) and trans (lat. over, beyond) are used in various...
21 KB (2,425 words) - 08:23, 21 October 2024
1,2-Dichloroethylene (redirect from Cis-1,2 dichloroethene)
compounds are isomers, each being colorless liquids with a sweet odor. It can exist as either of two geometric isomers, cis-1,2-dichloroethene or trans-1,2-dichloroethene...
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compound exhibits cis–trans isomerism at the central azo group: the trans isomer is more stable and is yellow, while the cis isomer is less stable and...
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three asymmetric carbon atoms, there is cis-trans isomerism at the cyclopropane ring, and cis-trans isomerism at the carbon-carbon double bond of the...
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cis-double bonds to trans-double bonds. In contrast to industrially produced trans fats, this bacterial process produces only a few specific isomers....
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1,2-Difluoroethylene (redirect from Cis-1,2-Difluoroethene)
2-disubstituted compounds that exhibit cis–trans isomerism, the trans (E) isomer is more stable than the cis (Z) isomer. However, 1,2-difluoroethylene has...
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cis and trans versions of 2-butene. Among the structural isomers, one can distinguish several classes including skeletal isomers, positional isomers (or...
19 KB (1,873 words) - 17:58, 14 September 2024
substituents on each end exhibit isomerism. If the number of consecutive double bonds is odd, there is cis–trans isomerism as for alkenes. If the number...
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around the central bond is not possible. This property gives rise to cis-trans isomerism. Double bonds are shorter than single bonds because p-orbital overlap...
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8-diethyl-5-hydroxy-15-methoxytricosa-6,13-dien-19-yne-3,9-dione Finally, due to cis-trans isomerism, we have to specify the relative orientation of functional groups...
40 KB (4,523 words) - 22:06, 8 November 2024
organic compound with the chemical formula CH3-N=N-CH3. It exhibits cis-trans isomerism. It can be produced by the reaction of 1,2-dimethylhydrazine dihydrochloride...
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two cis-trans isomers, CAS 591-95-7 1,3 Pentadiene, CAS 504-60-9 (racemic mixture) cis-1,3-Pentadiene or (Z)-1,3-pentadiene, CAS 1574-41-0 trans-1,3-Pentadiene...
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Octahedral molecular geometry (redirect from Meridional isomer)
the stoichiometries and isomerism in coordination compounds. His insight allowed chemists to rationalize the number of isomers of coordination compounds...
15 KB (1,554 words) - 05:25, 31 October 2023