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Sodium Carbonate → HCID 178434230, 화합물

HRID 2284567
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HRID 2284567 반응식
[Cl:1][C:2]1[C:7]([C:8]2[CH:9]=[C:10]3[C:14](=[CH:15][CH:16]=2)[NH:13][N:12]=[CH:11]3)=[CH:6][CH:5]=[CH:4][N:3]=1.Br[C:18]1C=C2C(=CC=1)N(C(OC(C)(C)C)=O)N=C2C.ClC1C(B2OC(C)(C)C(C)(C)O2)=CC=CN=1.C([O-])([O-])=O.[Na+].[Na+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:1][C:2]1[C:7]([C:8]2[CH:9]=[C:10]3[C:14](=[CH:15][CH:16]=2)[NH:13][N:12]=[C:11]3[CH3:18])=[CH:6][CH:5]=[CH:4][N:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 10340Sodium CarbonateHCID 120670602-Chloropyridine-3-boronic acid pinacol esterHCID 53408115tert-butyl 5-bromo-3-methyl-1H-indazole-1-carboxylateHCID 867154695-(2-chloropyridin-3-yl)-1H-indazole

생성물 1

HCID 178434230HCID 178434230, 화합물수율 43%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 312751,4-Dioxane용매

실험 절차

5-(2-Chloropyridin-3-yl)-3-methyl-1H-indazole was synthesized in the similar manner to the preparation of 5-(2-chloropyridin-3-yl)-1H-indazole by heating the mixture of tert-butyl 5-bromo-3-methyl-1H-indazole-1-carboxylate (1.5 g, 4.8 mmol), 2-chloro-3-pyridine boronic acid pinacol ester (1.3 g, 5.3 mmol), Pd(PPh3)4 (390 mg, 0.33 mmol) and 2M aq.Na2CO3 (7 mL, 14 mmol) in 1,4-dioxane (40 mL). Upon work-up and purification procedure used in the prepartion of 5-(2-chloropyridin-3-yl)-1H-indazole provided 5-(2-chloropyridin-3-yl)-3-methyl-1H-indazole (0.52, 43%) as a white crystalline solid. 1H NMR (DMSO-d6): δ 12.75 (s, 1H), 8.41 (dd, 1H, J=1.7 and 4.7 Hz), 7.91 (dd, 1H, J=1.7 and 7.6 Hz), 7.77 (s, 1H), 7.52 (d, 1H, J=8.5 Hz), 7.51 (dd, 1H, J=4.7 and 7.6 Hz), 7.41 (dd, 1H, J=1.4 and 8.5 Hz), 2.49 (s, 3H).LCMS: rt 6.28 min (A), purity 97%, MS (m/e) 244.

후처리

  1. temperatureby heating
  2. customUpon work-up and purification procedure

출처 및 근거

ORD 기록
ord-7e94ea7cca8146759063392927ad152e
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09145433B2

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