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Iodoethane → Ethyl 3,3-bis(4-fluorophenyl)-2-(2-ethyl-2H-tetrazol-5-yl)-2-propenoate

HRID 330647
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HRID 330647 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:20]2[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=2)=[C:9]([C:15]2[NH:19][N:18]=[N:17][N:16]=2)[C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:4][CH:3]=1.[H-].[Na+].I[CH2:30][CH3:31]>CN(C)C=O.O>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]([C:20]2[CH:21]=[CH:22][C:23]([F:26])=[CH:24][CH:25]=2)=[C:9]([C:15]2[N:16]=[N:17][N:18]([CH2:30][CH3:31])[N:19]=2)[C:10]([O:12][CH2:13][CH3:14])=[O:11])=[CH:6][CH:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 6340IodoethaneHCID 24758Sodium hydride2회HCID 178470939HCID 178470939, 화합물

생성물 1

HCID 14723821Ethyl 3,3-bis(4-fluorophenyl)-2-(2-ethyl-2H-tetrazol-5-yl)-2-propenoate수율 45.5%

시약·촉매·용매 2

HCID 962Water용매HCID 6228
Dimethylformamide
용매

실험 절차

To a solution of 10.0 g (0.028 mole) of ethyl 3,3-bis(4-fluorophenyl)-2-(1H-tetrazol-5-yl)-2-propenoate [prepared in Example 2] in 75 mL of N,N-dimethylformamide was added 1.2 g of 60% sodium hydride (0.03 mole) in mineral oil was added. After stirring for 0.5 hour, the sodium hydride had dissolved and 8.5 g (0.056 mole) of iodoethane was added. The solution was stirred at room temperature for 16 hours, diluted to 400 mL with water and extracted with CH2Cl2. The extracts were dried and concentrated in vacuo. The residue was triturated with hexane to remove mineral oil. The residue was absorbed onto silica gel by dissolving in CH2Cl2 and adding dry silica gel, then concentrating in vacuo to a dry powder. This material was transferred to the top of a silica gel column and eluted with 10% (v/v) ethyl acetate in hexane to give 4.9 g (45.5%) of the title compound; m.p.= 113-114.5° C.

후처리

  1. additionwas added
  2. stirringThe solution was stirred at room temperature for 16 hours
  3. extractionextracted with CH2Cl2
  4. customThe extracts were dried
  5. concentrationconcentrated in vacuo
  6. customThe residue was triturated with hexane
  7. customto remove mineral oil
  8. customThe residue was absorbed onto silica gel
  9. dissolutionby dissolving in CH2Cl2
  10. additionadding dry silica gel
  11. concentrationconcentrating in vacuo to a dry powder
  12. washeluted with 10% (v/v) ethyl acetate in hexane

출처 및 근거

ORD 기록
ord-117f08c1492b4fa6bd6ec963d95f35c5
출처 데이터셋
uspto-grants-1990_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04897490

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