Hydrogenation of five-membered heteroaromatic compounds catalyzed by a rhodium-phosphine complex

Chemistry Letters

Volumn , Issue 4, 2000, Pages 428-429

  Kuwano, Ryoichi ^a   Sato, Koji ^a   Ito, Yoshihiko ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034341232     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2000.428     Document Type: Article

References (20)

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2. P. N. Rylander, in "Hydrogenation Methods," Academic Press, London (1985), p. 133; J. G. Keay, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 579; G. W. Gribble, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 603; M. Sainsbury, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 635.
3. P. N. Rylander, in "Hydrogenation Methods," Academic Press, London (1985), p. 133; J. G. Keay, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 579; G. W. Gribble, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 603; M. Sainsbury, in "Comprehensive Organic Synthesis," ed by B. M. Trost and I. Fleming, Pergamon, Oxford (1991), Vol. 8, p. 635.
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13. 16 catalyst, see: S.-I. Murahashi, Y. Imada, and Y. Hirai, Tetrahedron Lett., 28, 77 (1987); S.-I. Murahashi, Y. Imada, and Y. Hirai, Bull. Chem. Soc. Jpn., 62, 2968 (1989).
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16. 2. The reaction mixture was stirred at 80°C for 2 h. After the solvent was evaporated, the residue was purified by a flash column chromatography on silica gel (hexane/EtOAc = 20/1) to give 2a (100 mg, 91% yield).
17. 2 of hydrogen (88% GC yield, for 2 h).
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20. A. M. Trzeciak, J. J. Ziolkowski, S. Aygen, and R. van Eldik, J. Mol. Cat., 34, 337 (1986).