1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester CAS No.847818-70-6 / Cat No.EBD2202713
1-乙基-4-吡唑硼酸频哪醇酯
1-乙基-1H-吡唑-4-硼酸频那醇酯
1-乙基-4-吡唑硼酸频哪醇酯
1-乙基吡唑-4-硼酸频哪醇酯
1-乙基-1H-吡唑-4-硼酸频哪醇酯
1-乙基-4-(4,4,5,5-四甲基-1,3,2-二氧杂戊硼烷-2-基)-1H-吡唑
Properties
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Density:
1.04 g/cm3
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Melting point:
44-49 °C
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Boiling point:
322.6 °C at 760 mmHg
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Flashing point:
148.9 °C
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction： 1H NMR (600 MHz, Chloroform-d) 7.79 (d, J= 4.5 Hz, 1H), 7.71 (d, J = 4.6 Hz, 1H), 4.19 (q, J = 7.2 Hz, 2H), 1.71 (t, J = 7.2 Hz, 3H), 1.33(d, J= 4.9 Hz, 12H).
1H NMR
13C NMR
