The reaction of ethyl 4 H ‐pyran‐4‐one‐2‐carboxylate with 1,2‐diaminobenzene | Zendy

Markees Diether G. | Zendy

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The reaction of ethyl 4 H ‐pyran‐4‐one‐2‐carboxylate with 1,2‐diaminobenzene

Author(s) -

Markees Diether G.

Publication year - 1990

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570270659

Subject(s) - quinoxaline , chemistry , pyran , carboxylate , derivative (finance) , ring (chemistry) , medicinal chemistry , stereochemistry , organic chemistry , financial economics , economics

Ethyl 4 H ‐pyran‐4‐one‐2‐carboxylate was allowed to react with 1,2‐diaminobenzene and related diamines. The resulting products were found to be 8 H ‐5,6‐dihydro‐6,8‐dioxopyrido[1,2‐ a ]quinoxaline and derivatives. The synthesis 3 H ‐5,6‐dihydrobenzo[ g ]pyrido[1,2‐ a ]quinoxaline‐3,5‐dione ( 2c ) constitutes the synthesis of a derivative of previously unknown benzo[ g ]pyrido[1,2‐ a ]quinoxaline ring system.

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