2-Methoxypyrimidine-5-boronic acid
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2-Methoxypyrimidine-5-boronic acid
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CAS No:
628692-15-9
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Formula:
C5H7BN2O3
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Chemical Name:
2-Methoxypyrimidine-5-boronic acid
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Synonyms:
2-METHOXY-5-PYRIMIDINEBORONIC ACID;2-METHOXYPYRIMIDIN-5-YLBORONIC ACID;2-METHOXYPYRIMIDINE-5-BORONIC ACID;2-METHOXYL-5-PYRIMIDYLBORIC ACID;2-Methoxypyrimidine-5-boronic acid ,98%;Boronic acid, B-(2-methoxy-5-pyrimidinyl)-;19 2-Methoxy Pyrimidine boronic acid;2-Methoxy PyriMidine boronic acid
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CAS No:
2-Methoxypyrimidine-5-boronic acid Basic Attributes
153.93
154.054977
1592732-453-0
DTXSID70371597
2933599090
Safety Information
IRRITANT
36-41-36/37/38
26-39-36/37/39
Xi
Irritant
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
H302
|Warning|H302 (88.89%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 45 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Methoxypyrimidine-5-boronic acid Use and Manufacturing
General procedure: Methyl 3, 5-diamino-6-chloropyrazine-2-carboxylate 2 (1 eq.) was combined with K2CO3 (10 eq.), the appropriate (het)aryl boronic acid (1.5 eq.) and Pd(PPh3)4 (5 mol%) in a two-neck round bottom flask. The flask was connected to a condenser and purged with nitrogen. A 4:1 mixture of anhydrous toluene: MeOH (60 mL) was added via syringe and the reaction mixture was heated at reflux for 0.5-18 h. The mixture was allowed to cool to room temperature and filtered through Celite (10 x 3 cm, eluting with 3 x 20 mL EtOAc). The filtrate was evaporated to dryness and the residue purified by silica gel flash column chromatography using EtOAc/pet spirit.General procedure: Methyl 3, 5-diamino-6-chloropyrazine-2-carboxylate 2 (1 eq.) was combined with K2CO3 (10 eq.), the appropriate (het)aryl boronic acid (1.5 eq.) and Pd(PPh3)4 (5 mol%) in a two-neck round bottom flask. The flask was connected to a condenser and purged with nitrogen. A 4:1 mixture of anhydrous toluene: MeOH (60 mL) was added via syringe and the reaction mixture was heated at reflux for 0.5-18 h. The mixture was allowed to cool to room temperature and filtered through Celite (10 x 3 cm, eluting with 3 x 20 mL EtOAc). The filtrate was evaporated to dryness and the residue purified by silica gel flash column chromatography using EtOAc/pet spirit.
Computed Properties
Molecular Weight:153.93
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:2
Exact Mass:154.0549723
Monoisotopic Mass:154.0549723
Topological Polar Surface Area:75.5
Heavy Atom Count:11
Complexity:116
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Recommended Suppliers of 2-Methoxypyrimidine-5-boronic acid
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2-Methoxypyrimidine-5-boronic acid
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