ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Die o‐Hydroxydibenzoylmethane (I) reagieren mit Sulfurylchlorid zu den 3‐Chlorflavonen (II), die bei Behandlung mit ethanolischem KOH die entsprechenden 2‐Benzoylcumaranone (III) bilden.
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Während sich das Dibenzoylmethan (Ia) mit dem Phenylhydrazin (II) in saurem Medium zu dem Pyrazol (III) cyclisiert, liefert das Brom‐Analoge (Ib) unter den gleichen Bedingungen das Flavon (IV), das beim Erhitzen mit Alkali′ in das Cumaran pyrazol (V) übergeht.
2001 ring closure reactions ring closure reactions O 0130 41 -057 Synthesis and Antimicrobial Study of Heterocyclyl Substituted s-Triazoles, 1,3,4-Thiadiazoles, Oxadiazoles and Related Heterocycles. -The title compound (Vd) is active against S. aureus, S. dysenteriae, S. typhi and P. mirabilis. Compound (IVb) is active against K. pneumoniae. -(DHIMAN, A. M.; WADODKAR, K. N.; PATIL, S. D.; Indian J. Chem., Sect.
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