Triethylamine → (R)-(-)-N-(1,1,3-trimethylindan-4-yl)-1,3,5-trimethylpyrazole-4-carboxamide

HRID 2040396

반응식

HRID 2040396 반응식
[CH3:1][C:2]1([CH3:13])[C:10]2[C:5](=[C:6]([NH2:11])[CH:7]=[CH:8][CH:9]=2)[C@H:4]([CH3:12])[CH2:3]1.C(N(CC)CC)C.[CH3:21][N:22]1[C:26]([CH3:27])=[C:25]([C:28](Cl)=[O:29])[C:24]([CH3:31])=[N:23]1>CN(C)C1C=CN=CC=1.C1COCC1>[CH3:1][C:2]1([CH3:13])[C:10]2[C:5](=[C:6]([NH:11][C:28]([C:25]3[C:24]([CH3:31])=[N:23][N:22]([CH3:21])[C:26]=3[CH3:27])=[O:29])[CH:7]=[CH:8][CH:9]=2)[C@H:4]([CH3:12])[CH2:3]1

참가 물질

6

반응물 3

HCID 8471TriethylamineHCID 13637622trimethyl-1H-pyrazole-4-carbonyl chlorideHCID 14535936(3R)-1,1,3-trimethyl-2,3-dihydro-1H-inden-4-amine

생성물 1

HCID 54756490(R)-(-)-N-(1,1,3-trimethylindan-4-yl)-1,3,5-trimethylpyrazole-4-carboxamide수율 63.8%

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 8028Tetrahydrofuran용매2회

실험 절차

Into a solution composed of 0.15 g of (R)-1,1,3-trimethyl-4-aminoindane (optical purity: 99% ee), 0.13 g of triethylamine, 5 mg of 4-dimethylaminopyridine and 1 mL of THF, a solution of 0.15 g of 1,3,5-trimethylpyrazole-4-carbonyl chloride in THF was dropped under ice cool. The mixture was stirred at room temperature for 15 minutes, then, to the reaction mixture was added ice water, and the mixture was extracted with ethyl acetate. The organic layer was washed with a saturated sodium hydrogen carbonate aqueous solution and saturated saline sequentially, then, dried over magnesium sulfate and concentrated under reduced pressure. The resultant residue was subjected to silica gel column chromatography to obtain 0.17 g of (R)-(−)-N-(1,1,3-trimethylindan-4-yl)-1,3,5-trimethylpyrazole-4-carboxamide (hereinafter, referred to as present carboxamide compound (3)) (optical purity: 99% ee).

후처리

  1. temperaturecool
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with a saturated sodium hydrogen carbonate aqueous solution and saturated saline sequentially
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-2473535aa63a42ae94d5341995a2d87d
출처 데이터셋
uspto-grants-2013_11
특허 번호
US08580836B2

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