Chemistry of Heterocyclic Compounds p. 40 - 42 (1983)
Update date:2022-08-16
Topics:
Vereshchagin, A. L.
Bryanskii, O. V.
Semenov, A. A.
In a study of the possibilities of a simple method for the preparation of 3-indolylglyoxals two new methods for the synthesis of indolylglyoxal structures were proposed.The first method consists in oxidation of 3-hydroxyacetylindole with the dimethyl sulfoxide - oxalyl chloride complex, but for a number of reasons it is virtually inapplicable to the preparation of substituted indolylglyoxals.In the second case the readily synthesized 3-indolylglyoxyl chlorides are reduced to the corresponding aldehydes in good yields by means of trialkyltin hydrides.
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