Triethylamine → HCID 89705484, compound

HRID 929070Notes

Reaction equation

HRID 929070 reaction equation
[F:1][C:2]1[C:7]2[N:8]=[N:9][S:10][C:6]=2[CH:5]=[C:4]2[NH:11][C:12](=[O:22])[N:13]([C:14]3[CH:19]=[CH:18][C:17]([I:20])=[CH:16][C:15]=3[F:21])[C:3]=12.C(N(CC)CC)C.[CH2:30]([C:33]1([S:36](Cl)(=[O:38])=[O:37])[CH2:35][CH2:34]1)[CH:31]=[CH2:32]>C(Cl)Cl.CN(C1C=CN=CC=1)C>[CH2:30]([C:33]1([S:36]([N:11]2[C:4]3=[CH:5][C:6]4[S:10][N:9]=[N:8][C:7]=4[C:2]([F:1])=[C:3]3[N:13]([C:14]3[CH:19]=[CH:18][C:17]([I:20])=[CH:16][C:15]=3[F:21])[C:12]2=[O:22])(=[O:38])=[O:37])[CH2:35][CH2:34]1)[CH:31]=[CH2:32]

Participants

6

Reactant 3

HCID 8471TriethylamineHCID 441819591-(Prop-2-en-1-yl)cyclopropane-1-sulfonyl chlorideHCID 178518579HCID 178518579, compound

Product 1

HCID 89705484HCID 89705484, compoundYield 89.9%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolvent

Procedure

To a solution of 4-fluoro-5-(2-fluoro-4-iodophenyl)-5H-imidazo[4′,5′:4,5]benzo[1,2-d][1,2,3]thiadiazol-6(7H)-one (50 mg, 0.12 mmol) in DCM (5 mL) was added triethylamine (24 mg, 0.23 mmol) at 0° C. followed by 1-allylcyclopropane-1-sulfonyl chloride (32 mg, 0.17 mmol) and DMAP (10 mg). After stirring at room temperature for 1 h, the mixture was washed with saturated NaHCO3 (aq.). The aqueous layer was extracted with DCM (20 mL×2). The combined organic phase was washed by water (20 mL) and brine (20 mL) sequentially, dried over Na2SO4, filtered and concentrated to give a residue, which was purified by flash chromatography on silica gel (petroleum ether/ethyl acetate, 5:1, v/v) to give the corresponding product (60 mg, 89.9% yield). 1H NMR (400 MHz, CDCl3): δ 8.36 (s, 1H), 7.76-7.74 (m, 2H), 7.35 (m, 1H), 5.75-5.58 (m, 1H), 5.05 (m, 2H), 2.90-2.80 (m, 1H), 2.10-2.0 (m, 1H), 1.95-1.86 (m, 2H), 1.25-1.11 (m, 2H).

Workup

  1. washthe mixture was washed with saturated NaHCO3 (aq.)
  2. extractionThe aqueous layer was extracted with DCM (20 mL×2)
  3. washThe combined organic phase was washed by water (20 mL) and brine (20 mL) sequentially
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customto give a residue, which
  8. customwas purified by flash chromatography on silica gel (petroleum ether/ethyl acetate, 5:1

Sources & evidence

ORD record
ord-158bbc1241224fc88bc0b16bf5f09ca4
Source dataset
uspto-grants-2016_03
Patent number
US09290468B2

Reaction notes

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