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Sodium Carbonate → Methyl 6-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-6'-methoxy-3-methyl-2,3'-bipyridine-5'-carboxylate

HRID 869973
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HRID 869973 반응식
Cl[C:2]1[N:7]=[C:6]([NH:8][C:9]([C:11]2([C:14]3[CH:24]=[CH:23][C:17]4[O:18][C:19]([F:22])([F:21])[O:20][C:16]=4[CH:15]=3)[CH2:13][CH2:12]2)=[O:10])[CH:5]=[CH:4][C:3]=1[CH3:25].[CH3:26][O:27][C:28]1[N:37]=[CH:36][C:35](B2OC(C)(C)C(C)(C)O2)=[CH:34][C:29]=1[C:30]([O:32][CH3:33])=[O:31].C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.C(OCC)(=O)C.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>[F:21][C:19]1([F:22])[O:18][C:17]2[CH:23]=[CH:24][C:14]([C:11]3([C:9]([NH:8][C:6]4[N:7]=[C:2]([C:35]5[CH:36]=[N:37][C:28]([O:27][CH3:26])=[C:29]([C:30]([O:32][CH3:33])=[O:31])[CH:34]=5)[C:3]([CH3:25])=[CH:4][CH:5]=4)=[O:10])[CH2:13][CH2:12]3)=[CH:15][C:16]=2[O:20]1
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참가 물질

7

반응물 3

HCID 10340Sodium CarbonateHCID 46739267Methyl 2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinateHCID 59165796N-(6-chloro-5-methylpyridin-2-yl)-1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropane-1-carboxamide

생성물 1

HCID 71053039Methyl 6-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-6'-methoxy-3-methyl-2,3'-bipyridine-5'-carboxylate수율 83.3%

시약·촉매·용매 3

HCID 178418397HCID 178418397, 화합물촉매HCID 80711,2-Dimethoxyethane용매HCID 8857Ethyl Acetate용매

실험 절차

To N-(6-chloro-5-methylpyridin-2-yl)-1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamide (0.26 g, 0.7 mmol) in 1,2-dimethoxyethane (7 mL) was added methyl 2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (0.25 g, 0.86 mmol), tetrakis(triphenylphosphine)palladium (0) (42 mg, 0.04 mmol), and 2 M sodium carbonate (0.70 mL, 1.4 mmol). The reaction mixture was irradiated in the microwave at 120° C. for twenty minutes. The reaction mixture was diluted with ethyl acetate (5 mL) and washed with water (5 mL). The organics were dried over sodium sulfate and evaporated to dryness. The crude reaction mixture was purified by silica gel chromatography (eluting with 0-100% ethyl acetate in hexanes) to yield the product (0.29 g, 81%). ESI-MS m/z calc. 497.45. found 498.3 (M+1)+. Retention time 2.14 minutes.

후처리

  1. customThe reaction mixture was irradiated in the microwave at 120° C. for twenty minutes
  2. washwashed with water (5 mL)
  3. dry with materialThe organics were dried over sodium sulfate
  4. customevaporated to dryness
  5. customThe crude reaction mixture
  6. customwas purified by silica gel chromatography (eluting with 0-100% ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-dfe5cf12e9b047599fa912b969fc45fd
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08969386B2

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