Bis(indolyl)ethylene aldehydes

Details Bis(indolyl)ethylene aldehydes Bis(indolyl)ethylene aldehydes

1988-10-24

1990-02-20

Springer, David B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40306

Patent

active

049028065

ABSTRACT:
Bis(indolyl)ethylene aldehydes of the general formula ##STR1## in which R.sub.1 denotes hydrogen, alkyl, aralkyl or aryl,

REFERENCES:
patent: 2154926 (1939-04-01), Wolff et al.
patent: 3928313 (1975-12-01), Papa et al.
patent: 4510156 (1985-04-01), Kabbe et al.
Journal of Heterocyclic Chemistry, vol. 22, #2, Mar.-Apr. 1985, "Reactions of Indoles w/Ortho Esters, N,N-Dimethylacetamide Dialkyl Acetals", Bergman, J., pp. 341-343.
Liebigs Annalen Der Chemie, Heft 9, Sep. 1988, pp. 923-924, plus cover; "Form.von Vinylindo.mit Drethoxycarb.-tetra.", Camran Flo and Ulf Pindur, Apr. 22, 1988.

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