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 869973Notes

Reaction equation

HRID 869973 reaction equation
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

Participants

7

Reactant 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

Product 1

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

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalystHCID 80711,2-DimethoxyethaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

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.

Workup

  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)

Sources & evidence

ORD record
ord-dfe5cf12e9b047599fa912b969fc45fd
Source dataset
uspto-grants-2015_03
Patent number
US08969386B2

Reaction notes

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