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ChemicalBook--->CAS DataBase List--->870521-33-8

870521-33-8

870521-33-8 Structure

870521-33-8 Structure
IdentificationBack Directory
[Name]

2-Morpholinopyrimidin-5-ylboronic acid
[CAS]

870521-33-8
[Synonyms]

2-Morpholinopyrimidine-5-boronic acid
2-morpholino-5-pyrimidineboronic acid
2-morpholinopyrimidin-5-ylboronic acid
2-Morpholinopyrimidin-5-ylboronic acid 95%
2-(Morpholine-4-yl)pyrimidine-5-boronic acid
[2-(4-Morpholinyl)-5-pyrimidinyl]boronic acid
Boronic acid,B-[2-(4-morpholinyl)-5-pyrimidinyl]-
[Molecular Formula]

C8H12BN3O3
[MDL Number]

MFCD07375148
[MOL File]

870521-33-8.mol
[Molecular Weight]

209.01
Chemical PropertiesBack Directory
[Boiling point ]

484.0±55.0 °C(Predicted)
[density ]

1.37
[storage temp. ]

Inert atmosphere,2-8°C
[form ]

solid
[pka]

3.02±0.19(Predicted)
[Appearance]

White to yellow Solid
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H332-H335
[Precautionary statements ]

P261-P280-P305+P351+P338
[HS Code ]

2934999090
Spectrum DetailBack Directory
[Spectrum Detail]

2-Morpholinopyrimidin-5-ylboronic acid(870521-33-8)1HNMR
Hazard InformationBack Directory
[Synthesis]

Morpholine

110-91-8

2-CHLOROPYRIMIDINE-5-BORONIC ACID

1003845-06-4

2-Morpholinopyrimidin-5-ylboronic acid

870521-33-8

The reaction was carried out with 2-chloropyrimidin-5-ylboronic acid (1 g, 6.32 mmol), morpholine (2.19 mL, 25.26 mmol) and triethylamine (0.88 mL, 6.32 mmol) in ethanol (25 mL) with stirring for 1 hour at 20 °C. After completion of the reaction, water (50 mL) was slowly added to the reaction mixture. The resulting precipitate was collected by filtration and washed with water to finally obtain 2-morpholinopyrimidin-5-ylboronic acid (950 mg, 70% yield) as a milky white solid. The NMR hydrogen spectrum (250 MHz, DMSO-d6) data were as follows: δ 8.63 (s, 2H), 8.05 (s, 2H), 3.68 (ddd, J=23.4,5.7,3.9Hz, 8H).

[References]

[1] Patent: WO2015/86506, 2015, A1. Location in patent: Page/Page column 131
[2] Patent: WO2015/86512, 2015, A1. Location in patent: Page/Page column 102
[3] Patent: WO2015/86527, 2015, A1. Location in patent: Page/Page column 114; 115
[4] Patent: WO2015/86526, 2015, A1. Location in patent: Page/Page column 147
[5] Patent: WO2015/86525, 2015, A1. Location in patent: Page/Page column 121; 122
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