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Acetic Acid → HCID 68547352, 화합물

HRID 2243500
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HRID 2243500 반응식
[CH3:1][O:2][C:3]([C:5]1[S:17][C:8]2[C:9]3[CH:10]=[CH:11][CH:12]=[C:13]([NH2:16])[C:14]=3[S:15][C:7]=2[C:6]=1[O:18][CH2:19][C:20]([O:22][CH2:23][CH3:24])=[O:21])=[O:4].[C:25]1(=O)[CH2:30][CH2:29][CH2:28][CH2:27][CH2:26]1.CC(O)=O>ClCCCl>[CH3:1][O:2][C:3]([C:5]1[S:17][C:8]2[C:9]3[CH:10]=[CH:11][CH:12]=[C:13]([NH:16][CH:25]4[CH2:30][CH2:29][CH2:28][CH2:27][CH2:26]4)[C:14]=3[S:15][C:7]=2[C:6]=1[O:18][CH2:19][C:20]([O:22][CH2:23][CH3:24])=[O:21])=[O:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 176Acetic AcidHCID 7967CyclohexanoneHCID 68543717HCID 68543717, 화합물

생성물 1

HCID 68547352HCID 68547352, 화합물수율 59.1%

시약·촉매·용매 1

HCID 111,2-Dichloroethane용매

실험 절차

Step A Reductive Amination: To a solution of 7-Amino-1-ethoxycarbonylmethoxy-3,8-dithia-cyclopenta[a]indene-2-carboxylic acid methyl ester (250 mg, 0.68 mmol) in DCE (6.5 mL) was added cyclohexanone (0.071 mL, 0.68 mmol), and NaBH3(OAc)3 (250 mg, 1.2 mmol). HOAc (0.05 mL, 0.82 mmol) was then added drop-wise and the solution was allowed to stir at ambient temperature for two hours after which the reaction was judged complete by TLC. The solution was filtered through silica gel, concentrated in vacuo and purified via normal phase SiO2 chromatography using a 0% to 15% ethyl acetate/hexane gradient, affording 180 mg of 7-Cyclohexylamino-1-ethoxycarbonylmethoxy-3,8-dithia-cyclopenta[a]indene-2-carboxylic acid methyl ester as a viscous yellow oil.

후처리

  1. filtrationThe solution was filtered through silica gel
  2. concentrationconcentrated in vacuo
  3. custompurified via normal phase SiO2 chromatography

출처 및 근거

ORD 기록
ord-25eb40c349744f588dd45720adf278c1
출처 데이터셋
uspto-grants-2010_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07674822B2

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