Volume 21, Issue 37
Heterocyclic Compounds
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ChemInform Abstract: Pyrazines. Part 19. A Novel Formation of Alkenynylpyrazines in Palladium-Catalyzed Reaction of 2-Chloropyrazine and Its N-Oxide with Acetylenes.

N. SATO

N. SATO

Dep. Chem., Yokohama City Univ., Yokohama 236, Jap.

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A. HAYAKAWA

A. HAYAKAWA

Dep. Chem., Yokohama City Univ., Yokohama 236, Jap.

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R. TAKEUCHI

R. TAKEUCHI

Dep. Chem., Yokohama City Univ., Yokohama 236, Jap.

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First published: September 11, 1990

Abstract

The formation of the title alkenynylpyrazines (IV) is explained by codimerization of the products (III) with the alkynes (II).

ChemInform Abstract

The formation of the title alkenynylpyrazines (IV) is explained by codimerization of the products (III) with the alkynes (II). 2-Chloropyrazine reacts analogously to its N-oxide (I).

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