Benzimidazolinetriones. Reactions of 2,5,6‐ and 2,4,7‐benzimidazolinetriones | Zendy

March Louis C. | Zendy; Joullié Madeleine M. | Zendy

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Benzimidazolinetriones. Reactions of 2,5,6‐ and 2,4,7‐benzimidazolinetriones

Author(s) -

March Louis C.,

Joullié Madeleine M.

Publication year - 1970

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.5570070105

Subject(s) - ethanethiol , chemistry , isoprene , ethylenediamine , medicinal chemistry , ring (chemistry) , condensation , condensation reaction , organic chemistry , catalysis , physics , copolymer , thermodynamics , polymer

The condensation of 2,5,6‐benzimidazolinetrione with ethylenediamine resulted in the formation of the 1,3‐dihydro‐2 H ‐imidazo[4,5‐ g ]quinoxalin‐2‐one ring system. The reaction of this trione with excess ethanethiol resulted in the isolation of three hydroquinones which were oxidized to the respective quinones. 2,4,7‐Benzimidazolinetrione was shown to undergo a Diels‐Alder reaction with isoprene and a mono‐addition reaction with benzenethiol.

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