2015
DOI: 10.1016/j.tet.2015.03.097
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Synthesis of novel dehydroacetic acid N -aroylhydrazone-derived boron heterocycles

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Cited by 12 publications
(8 citation statements)
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“…All the above data were in accordance with the literature data for known DHA hydrazone derivatives. 17,18 In the 13 C NMR spectrum, characteristic peaks appeared at 17.1 and 19.8 ppm which were assigned the methyls at C-6 and the 3-C=N carbon, respectively. The signal at 181.6 ppm was assigned to C-4, whereas those at 168.9 and 164.4 ppm were assigned to the amide carbon (=NHCO-) and the hydrazono (3-C=N) carbon, respectively.…”
Section: Scheme 1 Preparation Of 34-diacyl-2h-pyran-2-onesmentioning
confidence: 99%
See 1 more Smart Citation
“…All the above data were in accordance with the literature data for known DHA hydrazone derivatives. 17,18 In the 13 C NMR spectrum, characteristic peaks appeared at 17.1 and 19.8 ppm which were assigned the methyls at C-6 and the 3-C=N carbon, respectively. The signal at 181.6 ppm was assigned to C-4, whereas those at 168.9 and 164.4 ppm were assigned to the amide carbon (=NHCO-) and the hydrazono (3-C=N) carbon, respectively.…”
Section: Scheme 1 Preparation Of 34-diacyl-2h-pyran-2-onesmentioning
confidence: 99%
“…8 Among the several reactions, our interest was focused on the reactivity with amino compounds such as N-aminoheterocycles 13 or hydrazines [14][15][16] and we recently investigated their reaction with hydrazides to synthesize DHA N-aryl carbonyl hydrazones as well as their silicon and boron derivatives. 17,18 Hydrazones are well known synthons in organic synthesis [19][20] as well as molecules with diverse biological activities. [21][22][23][24] …”
Section: Introductionmentioning
confidence: 99%
“…Concerning the mechanism of the reaction, we suggest that it proceeds via intermediates 7 and 8, as shown in Scheme 2, by analogy to the way we have recently suggested for the formation of substituted oxadiazaborolo [2,3b] [3,4-e]pyrano [1,3,2]oxazaborines. 23…”
Section: Syn Thesismentioning
confidence: 99%
“…Υδραζόνες την παρασκευή ετεροκυκλικών ενώσεων (Rollas, 2007;Verma, 2014). Η εισαγωγή των λειτουργικών ομάδων στο μόριο της υδραζόνης, δηλαδή ο συνδυασμός της υδραζονικής ομάδας με άλλες λειτουργικές ομάδες, οδηγεί σε ενώσεις με μοναδικές φυσικές και χημικές ιδιότητες (Kotali, 2009;Kotali, 2010;Kotali, 2015;Belskaya, 2010).…”
Section: μέθοδοι παρασκευής β-κετονοξέωνunclassified
“…Το φυσικό βόριο βρίσκεται στη μορφή δύο σταθερών ισότοπων, 11 Β (80.22%) και 10 Β (19.78%) (Groziak, 2000). (Alessi, 2007;Petasis, 2007;Baker, 2011;Hall, 2011;Kotali, 2015;Wang, 2016). (Baker, 2011).…”
Section: κεφάλαιο 2 υδραζόνεςunclassified