Benzo[ f ]isoindole analogs II. Thieno[3,4‐ b ]quinoxaline | Zendy

Roland Mitchel M. | Zendy; Anderson Richard C. | Zendy

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Benzo[ f ]isoindole analogs II. Thieno[3,4‐ b ]quinoxaline

Author(s) -

Roland Mitchel M.,

Anderson Richard C.

Publication year - 1977

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.5570140402

Subject(s) - quinoxaline , chemistry , isoindole , dimethyl acetylenedicarboxylate , dehydration , dehydrogenation , medicinal chemistry , stereochemistry , organic chemistry , cycloaddition , catalysis , biochemistry

The transient existence of thieno[3,4‐ b ]quinoxaline ( 2d ) as a product of dehydration of 1,3‐dihydrothieno[3,4‐ b ]quinoxaline 2‐oxide ( 5 ) was demonstrated by trapping experiments with N ‐phenylmaleimide and dimethyl acetylenedicarboxylate. Attempts to isolate 2d from reaction mixtures arising from dehydration of 5 and from dehydrogenation of 1,3‐dihydro‐thieno[3,4‐ b ]quinoxaline ( 8 ) were unsuccessful.

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