X-Nico

unusual facts about isomer



Asymmetric induction

In the original 1952 publication, additional evidence was obtained for the structural assignment of the reaction products by applying them to a Chugaev elimination, wherein the threo isomer reacts to the cis isomer of -α-methyl-stilbene and the erythro isomer to the trans version.

Benzene hexachloride

(erroneously) any of the isomers of hexachlorocyclohexane, in particular the gamma isomer with the common name Lindane

Cis–trans isomerism

The cis isomer, whose full name is cis-diamminedichloroplatinum(II), was shown in 1969 by Barnett Rosenberg to have antitumor activity, and is now a chemotherapy drug known by the short name cisplatin.

Cycloheptadiene

Cycloheptatriene or its theoretical isomer 1,3,5-Cycloheptatriene

Cyclohexadiene

Benzene or its theoretical isomer 1,3,5-Cyclohexatriene

Pseudouridine

Pseudouridine (abbreviated by the Greek letter psi- Ψ) is the C-glycoside isomer of the nucleoside uridine, and it is the most prevalent of the over one hundred different modified nucleosides found in RNA.

Structural isomer

As an example of isomer counting, there are nine structural isomers with molecular formula