Pinacolic coupling of aromatic carbonyl compounds using Zn powder in aqueous basic media without organic solvents

Chemistry Letters

Volumn , Issue 3, 1997, Pages 235-236

  Tsukinoki, Takehito ^a   Kawaji, Takatoshi ^b   Hashimoto, Iwao ^b   Mataka, Shuntaro ^c   Tashiro, Masashi ^c  

^a TOHWA UNIVERSITY   (Japan)

^b WAKAYAMA NATIONAL COLLEGE OF TECHNOLOGY   (Japan)

^c KYUSHU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0031505520     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1997.235     Document Type: Article

References (12)

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2. See for example, B. E. Kahn and R. D. Rieke, Chem. Rev., 88, 733 (1988); J.-M. Pons and Santelli, Tetrahedron, 44, 4295 (1988).
3. G. M. Robertson, "Comprehensive Organic Synthesis," ed by B. M. Trost, Pergamon Press, Oxford (1991), vol 3, pp563-610.
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7. T. Tsukinoki, Y. Nagano, T. Kawaji, I. Hashimoto, T. Etoh, S. Mataka, and M. Tashiro, submitted for publication in Org. Prep. Proced. Int.
8. 4) and evaporated in vacuo to give a residue, which was washed with hexane, giving 3. From the hexane solution, 2 was obtained. In runs 2, 5, 6, and 9 (Table 1), 2 and 3 were purified by column chromatography (silica gel; Wakogel, C-300). Addition of Zn powder to a stirred mixture of 1 and 10% aq NaOH gave similar results.
9. A Fürstner, R. Csuk, C. Rohrer, and H. Weidmann, J. Chem. Soc., Perkin Trans. 1, 1988, 1729.
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