2007
DOI: 10.1002/chin.200717116
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Synthesis of 2‐[2‐(5‐Phenyl‐1,2,4,oxadiazol‐3‐yl)ethyl]benzimidazole and Its X‐Ray Analysis.

Abstract: Synthesis of 2-[2-(5-Phenyl-1,2,4,oxadiazol-3-yl)ethyl]benzimidazole and ItsX-Ray Analysis. -The biologically active substrate (I) is dehydrated to the title compound (II) for further activity studies. -(KAYUKOVA*, L. A.; BEKETOV, K. M.; AKHELOVA, A. L.; PRALIEV, K. D.; Chem. Heterocycl. Compd. (N. Y.) 42 (2006) 7, 914-917; Bekturov Inst. Chem. Sci., Min. Educ. Sci., Almaty 480100, Kazakhstan; Eng.) -C. Cyrus

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(3 citation statements)
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“…Syntheses of starting β -aminopropionitriles, β -aminopropioamidoximes and O-benzoyl- β -aminopropioamidoximes ( 1–5 ) are given in [1620]. …”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Syntheses of starting β -aminopropionitriles, β -aminopropioamidoximes and O-benzoyl- β -aminopropioamidoximes ( 1–5 ) are given in [1620]. …”
Section: Methodsmentioning
confidence: 99%
“…Portions of Lawesson's reagent (0.2 g, 0.005 mole) were added to a solution O-benzoyl-( β -benzimidazol-1-yl) propioamidoxime ( 5 ) [20] (0.3 g, 0.001 mol) in 15 mL of dry THF under cooling with ice water and stirring. The reaction mixture was heated at 70°C with TLC monitoring during 10 h; white precipitate of 10 began to fall after 2 h of heating; it was isolated at the end of the reaction and recrystallized from CHCl 3 (0.2 g, 62%; R f 0,79; mp 126°C).…”
Section: Methodsmentioning
confidence: 99%
“…To reduce the CTE value and maintain the thermal and mechanical properties of PI fibers in the meantime, one attempted approach is structural modification. So far, many efforts on chemical modification of PI structures have been done, including the introduction of heterocyclic rings like both benzoxazole and benxadiazole, pyridine, pyrimidine, furan,and phthalazinone in polymer backbone, which led to good thermal and mechanical properties of these PIs. Polybenzimidazoles (PBIs) are another class of high‐performance polymer that containing recurrent benzimidazole rings, which have been used extensively in the aerospace industry recent years due to their high‐strength, high‐modulus and sufficient thermal stability to withstand extreme conditions .…”
Section: Introductionmentioning
confidence: 99%