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 Ferrocene and related compounds. VIII. Internal rotation of the ferrocene molecule.Safety of Bromoferrocene.
cf. CA 59, 5195h. The dipole moments of chloro- and bromoferrocene, measured at 20°, and of 1,1-dichloro- and 1,1-dibromoferrocene, measured at +5 and -20 to +130°, resp., are nearly identical to those of the corresponding monohalobenzenes. The values obtained for the dipole moments of the dihaloferrocenes at various temperatures can be used to calculate the energy differences of the 3 min. of the potential energy curves of internal rotation corresponding to the 3 antiprismatic conformations. A comparison of the curves with those of 1,2-dihaloethanes reveals that the energy barriers of internal rotation are smaller in ferrocene than in ethane. Attempts were made to calculate the contours of the potential energy curves of ferrocene and its halogen derivatives
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com