Identify which of the structures below are me | vedclass

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(B) meso compound is a molecule with multiple stereocenters that is achiral due to an internal plane of symmetry $(POS)$ or center of inversion.Struct

Vedclass · Accepted Answer

$1, 3$ and $5$

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(B) meso compound is a molecule with multiple stereocenters that is achiral due to an internal plane of symmetry $(POS)$ or center of inversion.Structure $(1)$ is cis-$2,6$-dimethyl-$1,4$-dioxane. It has two chiral centers and a plane of symmetry passing through the oxygen atoms,making it a meso compound.Structure $(3)$ is a cyclic diester with two chiral centers. It possesses a plane of symmetry,making it a meso compound.Structure $(2)$ is trans-$2,6$-dimethyl-$1,4$-dioxane,which is chiral (it exists as a pair of enantiomers).Structure $(4)$ is trans-$3,6$-dimethyl-$1,4$-dioxane-$2,5$-dione,which is chiral.Structure $(5)$ is a cyclic carbonate with two chiral centers. It has a plane of symmetry,making it a meso compound.Therefore,structures $(1), (3),$ and $(5)$ are meso structures.

Identify which of the structures below are meso structures?

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