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Gerecht, Bernd; Kaempchen, Thomas; Koehler, Klaus, Chemische Berichte, 1984, vol. 117, # 8, p. 2714 - 2729
作者:Gerecht, Bernd、Kaempchen, Thomas、Koehler, Klaus、Massa, Werner、Offermann, Guido、et al.
DOI:——
日期:——
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Cyclobutenedione-Based Method for the Synthesis of Substituted 2-Pyridinones and Dihydro-2-pyridinones
作者:Shijie Zhang、Lanny S. Liebeskind
DOI:10.1021/jo990069t
日期:1999.5.1
1,2-Addition of N-Boc-protected alpha-amino carbanions to cyclobutenediones followed by methylation of the resulting alkoxides generated 4-(1-N-Boc-aminoalkyl)-4-methoxy-3-cyclobutenones. Removal of the Boc protecting group and thermal ring expansion gave dihydro-2-pyridinones in good yields. Treatment of the dihydro-2-pyridinones with NBS/pyridine led to the formation of the corresponding 2-pyridinones. This methodology proved general with regard to both the cyclobutenediones and alpha-amino carbanions.
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Koehler, Klaus; Massa, Werner; Offermann, Guido, Chemische Berichte, 1985, vol. 118, # 5, p. 1903 - 1916
作者:Koehler, Klaus、Massa, Werner、Offermann, Guido、Seitz, Gunther、Sutrisno, Rudianto
DOI:——
日期:——
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GERECHT, B.;KAEMPCHEN, TH.;KOEHLER, K.;MASSA, W.;OFFERMANN, G.;SCHMIDT, R+, CHEM. BER., 1984, 117, N 8, 2714-2729
作者:GERECHT, B.、KAEMPCHEN, TH.、KOEHLER, K.、MASSA, W.、OFFERMANN, G.、SCHMIDT, R+
DOI:——
日期:——
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SEITZ G. H. R.; ARNDT G., SYNTHESIS <SYNT-BF>, 1976, NO 7, 445-447
作者:SEITZ G. H. R.、 ARNDT G.
DOI:——
日期:——