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Carbonyliron Complexation and Carbonyl Insertion of Allenic Ketones (1992)

Trifonov, Latchezar S. ; Orahovats, Alexander S. ; Linden, Anthony ; [et al.]

New York, NY : Wiley-Blackwell

Helvetica Chimica Acta 75 (1992), S. 1872-1879

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ISSN: 0018-019X

Keywords: Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The allenic α-ketones 5a-f give, on irradiation in the presence of [Fe(CO)5], the bis(tricarbonyliron) complexes 6a-f. In the case of ketone 5e, a minor bis(tricarbonyliron) complex with the proposed unique structure 8 is also obtained. Ketones 5a-d, which are disubstituted at C(4), under the same conditions, afford also the lactones 7a-d in moderate yields. The latter reaction is a new carbonyliron-mediated carbonyl insertion. The structure of the binuclear complexes 1a and 6e were established by X-ray crystallography.

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/hlca.19920750613

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