1971
DOI: 10.1002/jhet.5570080203
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Novel buron heterocycles. I. 2,3‐dihydro‐1,3,2‐benzodiazaborin‐4(III)‐ones and 1,2‐dihydro‐ 1,3,2‐benzodiazaborines

Abstract: A series of 2,3‐dihydro‐1,3,2‐benzodiazaborin‐4(IH)‐ones have been prepared and their ir spectra compared with those of their carbon isosteres. Solvolysis of these boron compounds in ethanol has been followed by uv and reveals a relationship between structure and rates of ethanol‐ysis. Unexpectedly, these boron heterocycles, in contrast to their carbon isosteres, dissolve in aqueous alkali to form stable anions and the significance of this is discussed. The 1 :1 adducts of 1 and phosphorus oxychloride has been… Show more

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Cited by 17 publications
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“…275-278℃ (Lit. 282-284℃ (Yale, 1971)); ν max (ATR) 529, 670, 828, 1,487, 1,512, 1,610, 1,642, 3,300, 3,336 cm −1 ; 1 H-NMR (DMSOd 6 ) 7.40 (1H, d, J = 9.0 Hz, H-8), 7.11-7.50 (3H, m, Ph), 7.70 (1H, dd, J = 2.5 and 9.0 Hz, H-7), 8.01 (2H, dd, J = 1.5 and 8.5 Hz, Ph), 8.06 (1H, d, J = 2.5 Hz, H-5), 9.43 (1H, s, NH), 9.84 (1H, s, NH); 13 C-NMR (DMSOd 6 ) 112. 9, 121.1, 127.8, 128.3, 130.4, 131.1, 132.3, 133.8, 134.5, 136.4, 145.1, 165.6 1, 128.4, 130.4, 135.7, 136.3, 136.5, 144.9, 165.5 2.3 | Inhibition of α-glucosidase and αamylase activity of 2a-j 2.3.1 | α-Glucosidase inhibitory activity assay of compounds 2a-j…”
Section: General Considerationsmentioning
confidence: 99%
“…275-278℃ (Lit. 282-284℃ (Yale, 1971)); ν max (ATR) 529, 670, 828, 1,487, 1,512, 1,610, 1,642, 3,300, 3,336 cm −1 ; 1 H-NMR (DMSOd 6 ) 7.40 (1H, d, J = 9.0 Hz, H-8), 7.11-7.50 (3H, m, Ph), 7.70 (1H, dd, J = 2.5 and 9.0 Hz, H-7), 8.01 (2H, dd, J = 1.5 and 8.5 Hz, Ph), 8.06 (1H, d, J = 2.5 Hz, H-5), 9.43 (1H, s, NH), 9.84 (1H, s, NH); 13 C-NMR (DMSOd 6 ) 112. 9, 121.1, 127.8, 128.3, 130.4, 131.1, 132.3, 133.8, 134.5, 136.4, 145.1, 165.6 1, 128.4, 130.4, 135.7, 136.3, 136.5, 144.9, 165.5 2.3 | Inhibition of α-glucosidase and αamylase activity of 2a-j 2.3.1 | α-Glucosidase inhibitory activity assay of compounds 2a-j…”
Section: General Considerationsmentioning
confidence: 99%