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- W2951523904 abstract "Arylation of ferrocene with o-nitro- and o-cyano-benzenediazonium salts leads smoothly to the o-nitro- and o-cyano-phenylferrocenes. These are reduced to o-ferrocenylaniline and o-ferrocenylbenzylamine respectively. Bischler–Napieralski cyclisation of the N-acyl derivatives of these amines proceeds with (partial) loss of iron to give the title compounds. The intermediate ferrocene-heterocycles, if isolated may be cleaved to the same products by exposure to diffuse daylight in aqueous acid solution. The liberation of 2,3,4.5-tetrahydrocyclopent[c]azepines by photolysis of the corresponding cyclopentadienyliron complexes in acidic medium is also briefly examined." @default.
- W2951523904 created "2019-06-27" @default.
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- W2951523904 date "1990-12-18" @default.
- W2951523904 modified "2023-09-25" @default.
- W2951523904 title "ChemInform Abstract: Ferrocene Derivatives. Part 25. Their Use in the Synthesis of 5H-Cyclopenta(c)quinolines and 5,6-Dihydro-5-azabenz(e)azulenes." @default.
- W2951523904 cites W2067651965 @default.
- W2951523904 doi "https://doi.org/10.1002/chin.199051327" @default.
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