2-Methoxypyrimidine-5-boronic acid
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628692-15-9COc1ncc(B(O)O)cn1YPWAJLGHACDYQS-UHFFFAOYSA-N628692-15-9DTXSID70371597化学的特性Off-white to light yellow solid
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Warning
H302 (89.1%): Harmful if swallowed [Warning Acute toxicity, oral]
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 46 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
使用2-Methoxypyrimidine-5-boronic acid serves as a coupling partner in Suzuki–Miyaura reactions to synthesize diverse heterocyclic scaffolds. It reacts with intermediates such as compound 26 or 6-bromo-3-(4-hydroxyphenyl)-coumarin using potassium carbonate and palladium catalysts (e.g., Pd(OAc)₂ or 1,1′-bis(di-tert-butylphosphino)ferrocene palladium dichloride) in solvents including DMF or deep eutectic systems at 85 °C. The reagent also couples with 2-(4-((4-chloro-6-morpholino-1,3,5-triazin-2-yl)amino)phenyl)ethan-1-ol in DME/aqueous sodium carbonate under microwave heating[1][2][3]. The compound participates in Liebeskind–Srögl couplings with thioester or amide intermediates (such as series 18a–18c or 20a–20f) using tetrakis(triphenylphosphine)palladium(0) and copper(I) thiophene-2-carboxylate in THF at 100 °C, yielding target products in ranges of 22–55% or 29–50%[1].
5-Bromo-2-methoxypyrimidine could synthesize 2-Methoxypyrimidine-5-boronic acid as the start material.
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