Diethylamine → HCID 15087631, 화합물

HRID 1073647노트

반응식

HRID 1073647 반응식
C(NCC)C.[C:6]([OH:12])(=[O:11])[CH2:7][CH2:8][C:9]#[CH:10].[I:13][C:14]1[S:15][CH:16]=[C:17](I)[CH:18]=1>>[I:13][C:14]1[S:15][C:16]([C:10]#[C:9][CH2:8][CH2:7][C:6]([OH:12])=[O:11])=[CH:17][CH:18]=1

참가 물질

4

반응물 3

HCID 8021DiethylamineHCID 224644-Pentynoic acidHCID 126435852,4-Diiodothiophene

생성물 1

HCID 15087631HCID 15087631, 화합물수율 29.8%

실험 절차

To 75 ml of diethylamine was added with stirring 3.76 g of 4-pentynoic acid, 22 g of 2.4-diiodothiophene, and 300 mg of tetrakis-(triphenylphosphine)palladium(o). The slurry was degassed with argon and 960 mg of CuI was added. The slurry was maintained under argon and allowed to stir overnight, producing a dark brown solution. Thereafter, the solvent was removed under reduced pressure and 100 ml of 10% HCl was added to the residue. The residue was filtered and then extracted 3x with ethyl acetate. The combined extracts were washed lx with water, dried over anhydrous MgSO4, filtered and stripped. The resulting residue was flash chromatographed on a column of silica gel. Elution with a mixture of 30/70/2 parts ethyl acetate/hexane/acetic acid produced 3.5 g of the titled product as a yellow solid.

후처리

  1. customThe slurry was degassed with argon and 960 mg of CuI
  2. additionwas added
  3. temperatureThe slurry was maintained under argon
  4. customproducing a dark brown solution
  5. customThereafter, the solvent was removed under reduced pressure and 100 ml of 10% HCl
  6. additionwas added to the residue
  7. filtrationThe residue was filtered
  8. extractionextracted 3x with ethyl acetate
  9. washThe combined extracts were washed lx with water
  10. dry with materialdried over anhydrous MgSO4
  11. filtrationfiltered
  12. customchromatographed on a column of silica gel
  13. washElution
  14. additionwith a mixture of 30/70/2 parts ethyl acetate/hexane/acetic acid

출처 및 근거

ORD 기록
ord-efcfb6de8e7242efb1224aeac8b081df
출처 데이터셋
uspto-grants-1990_11
특허 번호
US04970234

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