1969•Journal of the Chemical Society C OrganicRequires access

Reactive intermediates. Part II. Some addition reactions of benzyne

C. D. Campbell, Charles W. Rees

Open publisher page 15 citations

Abstract

Benzyne, generated by the oxidation of 1-aminobenzotriazole with lead tetra-acetate, adds to 1,3-dienes and reacts with nucleophiles in moderate to excellent yields. However, it generally dimerises much faster than it adds to heterocyclic dienes. Addition of benzyne to 2-methyl- and 2-benzyl-benzotriazole gives 1-phenylbenzotriazole. Mechanisms for these reactions are proposed. Benzyne, generated oxidatively, does not add appreciably to mono-olefins.

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What this paper is about

Benzyne, generated by the oxidation of 1-aminobenzotriazole with lead tetra-acetate, adds to 1,3-dienes and reacts with nucleophiles in moderate to excellent yields. However, it generally dimerises much faster than it adds to heterocyclic dienes. Addition of benzyne to 2-methyl- and 2-benzyl-benzotriazole gives 1-phenylbenzotriazole. Mechanisms for these reactions are proposed. Benzyne, generated oxidatively, does not add appreciably to mono-olefins.

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Available abstract

Benzyne, generated by the oxidation of 1-aminobenzotriazole with lead tetra-acetate, adds to 1,3-dienes and reacts with nucleophiles in moderate to excellent yields. However, it generally dimerises much faster than it adds to heterocyclic dienes. Addition of benzyne to 2-methyl- and 2-benzyl-benzotriazole gives 1-phenylbenzotriazole. Mechanisms for these reactions are proposed. Benzyne, generated oxidatively, does not add appreciably to mono-olefins.

Key concepts: Aryne, Chemistry, Nucleophile, Benzotriazole, Tetra, Reactive intermediate, Medicinal chemistry, Organic chemistry

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