Intermediates for indoles

Details Intermediates for indoles Intermediates for indoles

1975-03-31

1976-08-24

Randolph, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240R, 2603191, 2605708R, C07D21126

Patent

active

039766390

ABSTRACT:
Ortho-nitrotoluenes are condensed with formamide acetals to yield the corresponding otho-nitro-.beta.-aminestyrenes which undergo cyclization upon reduction to yield indoles.

REFERENCES:
patent: 3530120 (1970-09-01), Von Hirsch
patent: 3732245 (1973-05-01), Batcho et al.
robert Wahl, Doctoral Dissertation, Univ. of Stuttgart, frontispage and pp. 26-39, available to public Sept. 15, 1967 copies of correspondence from Stuggart, Radtke-Directress of Library and Prof. John E. Hiller showing proof of date Wahl Doctor Thesis available to public.
Meerwein et al., Annalen Der Chemie, vol. 641, pp. 1-39 (1961).
Chardonnens et al., Helv. Chim. Acta vol. 22, pp. 1471-1482 (1939).
Brederick et al. I, Chem. Ber. vol. 97, pp. 3397-3406 (1964).
Brederick et al. II, Chem. Ber. vol. 101, pp. 4048-4056 (1968).

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