Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Crystal and molecular structure of the complex boron triferrocenyl-pyridine.Quality Control of Bromoferrocene.
X-ray study of the title tris(ferrocenyl)boron pyridine complex confirms that in the solid state its structure is similar to that inferred from chem. and spectroscopic evidence. The B atom is coordinated by 3 ferrocenyl groups and a pyridine ring in a distorted tetrahedral array. The mol. has a nearly 3-fold axis normal to the plane defined by the ferrocenyl groups. The B-N distance of 1.656 (5) Å is larger than that obtained for other compounds studied. The pyridine and cyclopentadienyl rings are planar. The H atoms of the cyclopentaidenyl rings are displaced significantly toward their corresponding Fe atom. The mols. in the crystal are packed at normal van der Waals distances. No unusually short intermol. contacts are noted.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com