2 反应机理
3 反应实例
4 参考文献
[1] C. Paal, Ber. 18, 367 (1885)
[2] L. Knorr, Ber. 18, 299 (1885)
[3] H. Fischer and H. Orth, Die Chemie dew Pyrrols 1, p 34 (Leipzig, 1934)
[4] D. M. Young and C. F. H. Allen, Organic Syntheses 16,25 (1936)
[5] A. H. Corwin in Elderfield, Heterocyclic Compounds 1, 290 (New York, 1950)
[6] N. P. Buu-Hoi et al., J. Org. Chem. 20, 639, 850 (1955)