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Facile Synthesis of Novel Selenium‐Containing Benzopyrans
Author(s) -
Zsótér Zsolt,
Tímár Tibor,
Kónya Krisztina,
Patonay Tamás,
Jekő József
Publication year - 2015
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.2247
Subject(s) - chemistry , benzopyrans , selenium , semicarbazone , chloride , ring (chemistry) , combinatorial chemistry , organic chemistry
4,4‐Dimethylchromeno[4,3‐ d ]selenadiazoles 8 with insecticide activities have been synthesized via oxidative ring closure of the corresponding semicarbazone derivatives 7 by treatment with selenium dioxide. Reaction of various alkoxy‐2,2‐dimethyl‐2 H ‐benzopyrans with phenylselenyl chloride was utilized to prepare different phenylselenyl‐ and 3‐chloro precocene analogs.