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Acetic Acid → 19-Methoxy-androst-4-ene-3beta,17beta-diol

HRID 1733075
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인쇄 미리보기

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HRID 1733075 반응식
[CH3:1][O:2][CH2:3][C@@:4]12[C@@H:21]3[C@H:12]([C@H:13]4[C@@:17]([CH2:19][CH2:20]3)([CH3:18])[C:16](=[O:22])[CH2:15][CH2:14]4)[CH2:11][CH2:10][C:9]1=[CH:8][C:7](=[O:23])[CH2:6][CH2:5]2.[BH4-].[Na+].C(O)(=O)C>CO.O>[CH3:1][O:2][CH2:3][C@@:4]12[C@@H:21]3[C@H:12]([C@H:13]4[C@@:17]([CH2:19][CH2:20]3)([CH3:18])[C@@H:16]([OH:22])[CH2:15][CH2:14]4)[CH2:11][CH2:10][C:9]1=[CH:8][C@@H:7]([OH:23])[CH2:6][CH2:5]2
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 176Acetic AcidHCID 4311764Sodium borohydrideHCID 5415304219-Methoxyandrost-4-ene-3,17-dione

생성물 1

HCID 5723996919-Methoxy-androst-4-ene-3beta,17beta-diol

시약·촉매·용매 2

HCID 962Water촉매HCID 887Methanol용매

반응 조건

온도
0 °C

실험 절차

19-Methoxyandrost-4-ene-3,17-dione is dissolved in methanol and the solution cooled to 0° C. Sodium borohydride is added over a period of fifteen minutes and stirring continued for an additional two hours. The solution is poured into water containing a few drops of acetic acid. The white precipitate which forms is collected by filtration, dried and crystallized from acetone to yield the desired 19-methoxy-androst-4-ene-3β,17β-diol.

후처리

  1. filtrationThe white precipitate which forms is collected by filtration
  2. customdried
  3. customcrystallized from acetone

출처 및 근거

ORD 기록
ord-06a80b17f2b043328d7706c6280c28de
출처 데이터셋
uspto-grants-1980_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04239681

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