참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|
| 반응물 | Methylamine | HCID 6329 | — |
| 반응물 | 4-Methylmorpholine | HCID 7972 | — |
| 반응물 | Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 9886157 | — |
| 반응물 | 5-Carboxy-2-methoxybenzeneboronic acid | HCID 42614541 | — |
| 용매 | Dimethylformamide | HCID 6228 | — |
| 생성물 | 2-Methoxy-5-(methylaminocarbonyl)phenylboronic acid | HCID 57497324 | 56.9% |
반응 단계
3-Borono-4-methoxybenzoic acid (2.5 g, 12.50 mmol) was dissolved in DMF (6 ml) and 12.50 ml methylamine (2 M solution in THF, 25 mmol) was added followed by HATU (4.75 mg, 12.5 mmol) and NMM (1.375, 12.50 mmol). The reaction mixture was stirred at RT for 20 hours and concentrated. The crude material was added to 50 ml water and extracted 3 times with EtOAc. The combined organic phases were dried (Na2SO4), filtered and concentrated. The crude material was triturated in EtOAc and filtered. The residue was purified by chromatography (Silicagel, CH2Cl2/MeOH 95:5) to give 1.92 g (7.11 mmol, 56.9% yield) of the title compound as a colorless solid. LCMS: (M+H)=210; tR=0.50 min (LC-MS 1). TLC: Rf=0.27 (CH2Cl2/MeOH 95:5). HPLC: tR=3.76 min (HPLC 3). 1H-NMR (d6-DMSO, 600.13 MHz) δ ppm 8.29 (bs, 1H), 8.03 (s, 1H), 7.87 (d, 1H), 7.85 (s, 2H) 7.02 (d, 1H), 3.84 (s, 3H), 2.75 (d, 3H).
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| 특허 번호 | US09403827B2 |
|---|
| 출처 데이터셋 | uspto-grants-2016_08 |
|---|
| ORD ID | ord-87687641b35449b98adf98e5ebec1704 |
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| 출처 메모 | uspto-grants-2016_08 |
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