2-Furancarbonyl chloride → HCID 21081909, compound

HRID 970612Notes

Reaction equation

HRID 970612 reaction equation
[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6](Cl)=[O:7].[CH2:9]([N:16]1[C:25]2[C:20](=[CH:21][C:22]([Cl:26])=[CH:23][CH:24]=2)[C:19]([N:27]2[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]2)=[C:18]([C:33]#[N:34])[C:17]1=[O:35])[C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1>N1C=CC=CC=1>[CH2:9]([N:16]1[C:25]2[C:20](=[CH:21][C:22]([Cl:26])=[CH:23][CH:24]=2)[C:19]([N:27]2[CH2:32][CH2:31][N:30]([C:6]([C:2]3[O:1][CH:5]=[CH:4][CH:3]=3)=[O:7])[CH2:29][CH2:28]2)=[C:18]([C:33]#[N:34])[C:17]1=[O:35])[C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1

Participants

4

Reactant 2

HCID 682422-Furancarbonyl chlorideHCID 21081908HCID 21081908, compound

Product 1

HCID 21081909HCID 21081909, compoundYield 76.3%

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

2-Furoyl chloride (148 μL, 1.5 mmol) was added to a stirred solution of Compound 71 (379 mg, 1 mmol) in pyridine (5 mL) under argon at 0° C. The solution was allowed to come to room temperature and further stirred overnight. The solution was poured into ice water and the solids formed were filtered. The solids were washed by excess water, dried, and recrystallized by ethyl acetate to yield 361 mg (76%) of white solids. M.P. 221° C. 1H NMR (DMSO-d6): δ 3.70 (m, 4H), 3.97 (m, 4H), 5.48 (s, 2H), 6.67 (dd, J=2.0, 3.6 Hz, 1H), 7.10 (d, J=3.6 Hz, 1H), 7.20 (m, 2H), 7.25 (m, 1H), 7.27 (m, 2H), 7.42 (d, J=9.2 Hz, 1H), 7.70 (dd, J=2.4, 9.2 Hz), 7.90 (s, 1H). EIMS m/z 496 (M+23). Anal. (C26H21ClN4O3) C, H, N.

Workup

  1. customthe solids formed
  2. filtrationwere filtered
  3. washThe solids were washed by excess water
  4. customdried
  5. customrecrystallized by ethyl acetate

Sources & evidence

ORD record
ord-f46cb5fbe3144629b5a8fbe5c34f6e5a
Source dataset
uspto-grants-2007_12
Patent number
US07312221B2

Reaction notes

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