REFERENCES
- Manske , R. H.F. 1950–1979 . The Alkaloids , Vol. 1–17 , New York : Wiley .
- 1995 . The development of the anti-migraine drug sumatriptan is a recent illustrative example: Oxford. A. W. . Contemp. Org. Synth. , 2 : 35
- Palmisano , G. and Santagostino , M. 1993 . Helv. Chim. Acta , 76 : 2356 and references therein For the synthesis of 2-substituted indoles see
- Remers , W. A. 1972 . Heterocyclic Compounds , Edited by: Houlihan , W. J. Vol. 25 , New York : Wiley-Interscience . For the chemistry of indoles see: (indoles), pt. 1;
- Sundberg , R. J. 1984 . Comprehensive Heterocyclic Chemistry , Edited by: Katritzky , A. R. and Rees , C. W. Vol. 4 , Oxford : Pergamon Press .
- Wiedenau , P. , Monse , B. and Blechert , S. 1995 . Tetrahedron , 51 : 1167
- N-Benzyl-3-methylindole (Ib) was also reacted with methanesulfonic acid (MSA) and trifluoacetic acid (TFA) instead of PPA, affording the rearranged product 2b in comparable (MSA) and considerably lower (TFA) yield, respectively
- Spangler , C. W. 1976 . Chem. Rev. , 76 : 187
- Patterson , J. M. , Mayer , C. F. and Smith , W. T. Jr. 1975 . J. Org. Chem. , 40 : 1511
- Lutz , R. P. 1984 . Chem. Rev. , 84 : 205
- Jackson , A. H. and Smith , P. 1968 . Tetrahedron , 24 : 2227 Rearrangements of 3-alkyl indoles to 2-alkyl indoles under acidic conditions have previously been investigated:
- Clemo , G. R. and Seaton , J. C. 1954 . J. Chem. Soc. , : 2582
- Heany , H. and Ley , S. V. 1973 . J. Chem. Soc. Perk. Trans. , 1 : 499
- Bosco , M. , Dalpozzo , R. , Bartoli , G. , Palmieri , G. and Petrini , M. 1991 . J. Chem. Soc. Perk. Trans. , 2 : 657