The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Syntheses based on organic derivatives of mercury. II. 1,3-Dihaloferrocenes, the main research direction is HALO FERROCENYL MERCURY DERIV; FERROCENYL MERCURY DERIV HALO; MERCURY DERIV HALO FERROCENYL.Electric Literature of C10BrFe.
cf. CA 64, 14215a. Keeping 12.8 g. Hg(OAc)2, 200 ml. MeOH, 8.82 g. chloroferrocene, and 30 ml. C6H6 20 min. and mixing with 20 g. CaCl2 in MeOH, then 400 ml. ice-H2O, gave after extraction with petr. ether of the separated precipitate and the extract passed over inactivated Al2O3 and elution with petroleum ether 41% unreacted chloroferrocene, while extraction of the remaining precipitate with 1:1 C6H6-petroleum ether gave fraction A which yielded 10% 1-chloro-1′-chloromercuriferrocene, m. 143-4°, on elution with CHCl3. Elution of fraction A with petroleum ether-C6H6 gave 17% 3,3′-bis(chloroferrocenyl)mercury. Similarly were obtained: 3,3′-bis(iodoferrocenyl)mercury, m. 175°; 3,3′-bis(chloroferrocenyl)mercury, m. 190°; 3,3′-bis(bromoferrocenyl) mercury (I), m. 179-80°. I with CuCl2 in hot Me2CO gave after brief heating and treatment with petroleum ether 84% 1,3-dichloroferrocene, m. 81°; similarly were prepared 90% 1,3-dibromoferrocene, m. 78.5-80°; 100% 1,3-diiodoferrocene (II), m. 47.5° (prepared from the R2Hg with iodine in ClCH2CH2Cl). Iodoferrocene and Cu2I2 with PhMgBr at 150° in dry N atm. 1 hr. gave 76% phenylferrocene, m. 110-11°, and a similar reaction of II with PhMgBr with Cu2I2 gave 21% 1,3-diphenylferrocene, m. 107°. The above mercuration of ferrocene also gave difficultly elutable 1,3-bis(bromomercuri)ferrocene, decomposed 190°. Ir spectra are reported.
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Reference:
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