A novel, acid-catalysed cyclisation of salicylaldehyde thiosemicarbazones (1a±d) yields new 2H-benz[e]-1,3-oxazine-2thiones (2a±d) in a one-pot procedure.
A New Route for the Convenient Synthesis of Imidazo(2,1-b)-1,3,4oxadiazoles and Their Fungitoxicity.-A number of new substituted imidazooxadiazoles (V) (10 examples) are synthesized by reaction of Schiff bases (I) with trichloroacetic acid and subsequent cyclocondensation of the formed intermediates (III) with primary arylamines. Some of the obtained compounds such as (Vb) and (Vc) show fungitoxicity equivalent to the standard commercial fungicide Dithane M-45. -(YADAV, L. D. S.; SAIGAL, S.; SHUKLA, S.; Indian J.
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A Novel, One-Pot Synthesis of 2H-Benz[e]-1,3-oxazine-2-thiones. -A probable mechanism is given for the reaction. -(VADAV, LAL DHAR S.; SAIGAL, SANDHYA; PAL, DAYA R.; J.
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.
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