Web12. mar 2015 · Chemistry An effective approach for synthesis of 5-methyl-3-phenyl-6- (5-phenyl-1,3,4-oxadiazol-2-yl)thieno [2,3-d]pyrimidine-2,4 (1H,3H)-dione by 1,1’-carbonyldiimidazole promoted interaction of 5-methyl-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydrothieno [2,3-d]pyrimidine-6-carboxylic acid with benzohydrazide has been … WebThe presence of the adjacent carbonyl groups polarizes methylenegroup , which can gives a lot of reaction of the C-acids [1,2,3]. Among these reaction belongs reaction with the …

Synthesis of 3-phenylisoquinolones by reaction of simple pyrroline-2,3 …

WebPropanedinitrile, 2-(4,7-dihydroxy-5-phenyl-2H-benzo[d]1,3-dithiol-2-ylideno)- C16H8N2O2S2 CID 629634 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity … WebABSTRACT The electrooxidative[3+2]annulation of amidines with 2-arylideneindane-1,3-diones or 4-alkylidene pyrazolones is reported using NaI as a redox catalyst and electrolyte under constant current electrolysis in an undivided cell.The current strategy features excellent functional group tolerance,simple operation,and mild conditions,thus ... shoal creek simmental

Design, synthesis and evaluation of 2-phenyl-1H - ScienceDirect

WebA series of 153 derivatives of 3-phenyl-2H-benzoxazine-2,4 (3H)-dione substituted in position 6 or 7 on benzoxazine and on the phenyl ring was synthesized. The compounds were evaluated in vitro for antimycobacterial activity against Mycobacterium tuberculosis, Mycobacterium kansasii and Mycobacterium avium. Web4. feb 2011 · Compound 3a dissociates on heating or in pyridine solution into the 1-methoxycarbonyltriazolidinedione 4.If alcohols are absent 1 is converted by pyridine or … Web12. mar 2015 · An effective approach for synthesis of 5-methyl-3-phenyl-6-(5-phenyl-1,3,4-oxadiazol-2-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione by 1,1’-carbonyldiimidazole … shoal creek senior living