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1,5‐Bis(4‐dithiocarboxylate‐5‐hydroxypyrazolyl)pentane derivatives of 5‐pyrazolones
Author(s) -
Avila Carolina,
Flores María Fernanda,
Molinari Aurora,
Oliva Alfonso
Publication year - 2005
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.5570420419
Subject(s) - chemistry , pentane , pyrazolones , carbon disulfide , tetrahydrofuran , organic chemistry , medicinal chemistry , solvent
3‐Methyl‐1‐phenyl‐2‐pyrazolin‐5‐one 1b and 1‐dodecyl‐3‐methyl‐2‐pyrazolin‐5‐one 1c react with carbon disulfide and 1,5‐dibromopentane in the presence of sodium acetate in dimethylfor‐mamide or n ‐butyllithium in tetrahydrofuran to afford 1,5‐bis(4‐dithiocarboxylate‐5‐hydroy‐pyrazolyl)pentane derivatives 6b‐c.
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