Ethylene carbonate → HCID 66806556, compound

HRID 1057188Notes

Reaction equation

HRID 1057188 reaction equation
[OH:1][C:2]1[CH:7]=[CH:6][C:5](/[C:8](/[CH2:38][CH3:39])=[C:9](\[C:25]2[CH:30]=[CH:29][C:28](/[CH:31]=[CH:32]/[C:33]([O:35][CH2:36][CH3:37])=[O:34])=[CH:27][CH:26]=2)/[C:10]2[CH:11]=[C:12]3[C:16](=[CH:17][CH:18]=2)[N:15]([CH:19]2[CH2:24][CH2:23][CH2:22][CH2:21][O:20]2)[N:14]=[CH:13]3)=[CH:4][CH:3]=1.[O:40]1[CH2:44][CH2:43]OC1=O.C(=O)([O-])[O-].[K+].[K+].C(OCC)(=O)C>CN(C=O)C>[OH:40][CH2:44][CH2:43][O:1][C:2]1[CH:3]=[CH:4][C:5](/[C:8](/[CH2:38][CH3:39])=[C:9](\[C:25]2[CH:26]=[CH:27][C:28](/[CH:31]=[CH:32]/[C:33]([O:35][CH2:36][CH3:37])=[O:34])=[CH:29][CH:30]=2)/[C:10]2[CH:11]=[C:12]3[C:16](=[CH:17][CH:18]=2)[N:15]([CH:19]2[CH2:24][CH2:23][CH2:22][CH2:21][O:20]2)[N:14]=[CH:13]3)=[CH:6][CH:7]=1

Participants

6

Reactant 4

HCID 7303Ethylene carbonateHCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 69281165HCID 69281165, compound2×

Product 1

HCID 66806556HCID 66806556, compoundYield 47.9%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
90 °C

Procedure

A mixture of (E)-ethyl 3-(4-((E)-2-(4-hydroxyphenyl)-1-(1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-5-yl)but-1-en-1-yl)phenyl)acrylate (352 mg, 0.67 mmol; Compound 339, Step 1), 1,3-dioxolan-2-one (296 mg, 3.37 mmol), and potassium carbonate (185 mg, 1.34 mmol) in DMF (7 mL) was heated to 90° C. overnight. The mixture was cooled to room temperature and poured into ethyl acetate. The organic phase was washed with brine (3×), dried over sodium sulfate, and purified by flash chromatography on silica gel eluting with 0 to 100% ethyl acetate/hexanes to afford 182 mg of the title compound as a yellow foam. NMR (400 MHz, DMSO-d6): δ 8.11 (s, 1H), 7.72 (d, 1H), 7.62 (s, 1H), 7.47 (d, 1H), 7.40 (d, 2H), 7.21 (dd, 1H), 7.08 (d, 2H), 6.88 (d, 2H), 6.78 (d, 2H), 6.48 (d, 1H), 5.85 (dd, 1H), 4.83 (t, 1H), 4.14 (qt, 2H), 4.17-3.88 (m, 3H), 3.76 (m, 1H), 3.69 (m, 2H), 2.44-2.37 (m, 3H), 2.00 (m, 2H), 1.75 (m, 1H), 1.60 (m, 2H), 1.21 (t, 3H), 0.89 (t, 3H). LCMS: 483 [(M-THP+H)+H]+.

Workup

  1. temperatureThe mixture was cooled to room temperature
  2. washThe organic phase was washed with brine (3×)
  3. dry with materialdried over sodium sulfate
  4. custompurified by flash chromatography on silica gel eluting with 0 to 100% ethyl acetate/hexanes

Sources & evidence

ORD record
ord-123d8ea1dafb48e3b12ae2b17870696f
Source dataset
uspto-grants-2016_07
Patent number
US09399646B2

Reaction notes

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