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Water → HCID 15838157, 화합물

HRID 650329
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HRID 650329 반응식
[OH:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][C@@H:7]1[CH2:24][C:23]2[C@H:18]([CH2:19][CH2:20][C:21](=[O:25])[CH:22]=2)[C@@H:17]2[C@@H:8]1[C@H:9]1[C@@:13]([CH2:15][CH2:16]2)([CH3:14])[C:12](=[O:26])[CH2:11][CH2:10]1.[C:27](OC(=O)C)(=[O:29])[CH3:28].O>N1C=CC=CC=1.C(OCC)C>[C:27]([O:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][C@@H:7]1[CH2:24][C:23]2[C@H:18]([CH2:19][CH2:20][C:21](=[O:25])[CH:22]=2)[C@@H:17]2[C@@H:8]1[C@H:9]1[C@@:13]([CH2:15][CH2:16]2)([CH3:14])[C:12](=[O:26])[CH2:11][CH2:10]1)(=[O:29])[CH3:28]
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참가 물질

6

반응물 3

HCID 962WaterHCID 7918Acetic AnhydrideHCID 158381567a-(5-Hydroxypentyl)-estr-4-ene-3,17-dione

생성물 1

HCID 15838157HCID 15838157, 화합물

시약·촉매·용매 2

HCID 1049Pyridine용매HCID 3283Diethyl Ether용매

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온도
25 °C

실험 절차

A solution of 94 g of crude 7a-(5-hydroxypentyl)-estr-4-ene-3,17-dione in 620 ml of pyridine is slowly mixed with 310 ml of acetic anhydride and stirred for 2 hours at 25° C. Then, it is slowly mixed with 116 mnl of water while being cooled with ice, diluted with 3 l of diethyl ether, the organic phase is dried and concentrated by evaporation after washing with sodium bicarbonate solution. The residue is chromatographed on silica gel, and 84.4 g of 7α-(5-acetoxypentyl)-estr-4-ene-3,17-dione is obtained as oil.

후처리

  1. temperaturewhile being cooled with ice
  2. customthe organic phase is dried
  3. concentrationconcentrated by evaporation
  4. washafter washing with sodium bicarbonate solution
  5. customThe residue is chromatographed on silica gel

출처 및 근거

ORD 기록
ord-643ebed33d884889868e18645457c839
출처 데이터셋
uspto-grants-2001_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06271403B1

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