Synthesis Using Allylidenedihydropyridines. VIII. Facile Preparation of 2-Alkylthio-3-vinylpyrazolopyridines

DOI: 10.1246/bcsj.53.1775

Source and publish data:

Bulletin of the Chemical Society of Japan p. 1775 - 1776 (1980)

Update date:2022-07-29

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Authors:

Kakehi, Akikazu

Ito, Suketaka

Watanabe, Kozo

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Article abstract of DOI:10.1246/bcsj.53.1775

Reactions of 1--2-methylpyridinium iodides with activated ethoxymethylene compounds in the presence of alkali gave the corresponding 1--2-allylidene-1,2-dihydropyridines in considerable yields, and their thermolyses in benzene afforded 2-alkylthio-3-vinylpyrazolo<1,5-a>pyridine derivatives.

Full text of DOI:10.1246/bcsj.53.1775

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