Synthesis and reactions of some 4‐heteroaryl‐3‐nitrocoumarins— | Zendy

Govori S. | Zendy; Rapic V. | Zendy; Led O. | Zendy; Čačić M. | Zendy; Tabaković I. | Zendy

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Synthesis and reactions of some 4‐heteroaryl‐3‐nitrocoumarins—

Author(s) -

Govori S.,

Rapic V.,

Led O.,

Čačić M.,

Tabaković I.

Publication year - 1996

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.5570330224

Subject(s) - chemistry , sodium hydroxide , aminopyridines , aqueous solution , sodium , hydroxide , sodium salt , tetrabutylammonium hydroxide , organic chemistry , inorganic chemistry

By the action of 2‐aminothiazole, 2‐aminopyridines, and 2‐aminopyrimidines, respectively, on 4‐chloro‐3‐nitrocoumarin ( 3 ) the corresponding 4‐heteroarylamino‐3‐nitrocoumarins 5–7 have been isolated in very good yields. Reactions of coumarins 6 and 7 with either aqueous tetrabutylammonium bisulfate/sodium hydroxide in a two phase system or 5% aqueous sodium hydroxide have been studied.

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