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Water → 7-Oximino-5-androstene-3beta,17beta-diol Diacetate

HRID 1808755
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HRID 1808755 반응식
[C:1]([O:4][C@H:5]1[CH2:22][CH2:21][C@@:20]2([CH3:23])[C:7](=[CH:8][C:9](=O)[C@@H:10]3[C@@H:19]2[CH2:18][CH2:17][C@@:15]2([CH3:16])[C@H:11]3[CH2:12][CH2:13][C@@H:14]2[O:24][C:25](=[O:27])[CH3:26])[CH2:6]1)(=[O:3])[CH3:2].Cl.[NH2:30][OH:31].O>N1C=CC=CC=1>[C:1]([O:4][C@H:5]1[CH2:22][CH2:21][C@@:20]2([CH3:23])[C:7](=[CH:8][C:9](=[N:30][OH:31])[C@@H:10]3[C@@H:19]2[CH2:18][CH2:17][C@@:15]2([CH3:16])[C@H:11]3[CH2:12][CH2:13][C@@H:14]2[O:24][C:25](=[O:27])[CH3:26])[CH2:6]1)(=[O:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 962WaterHCID 443297Hydroxyamine hydrochlorideHCID 9886600(3S,8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-7-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diyl diacetate

생성물 1

HCID 867617537-Oximino-5-androstene-3beta,17beta-diol Diacetate

시약·촉매·용매 1

HCID 1049Pyridine
용매

실험 절차

7-Oxo-5-androstene-3β,17β-diol diacetate (1 g, 2.57 mmol) and hydroxylamine hydrochloride (0.5 g) were taken in dry pyridine (8 Ml) and heated in a steam bath for 2 h. The reaction mixture was poured into water and precipitate obtained was filtered, washed with water and dried. The crude product on crystallization from methanol afforded pure oxime 7-oximino-5-androstene-3β,17β-diol diacetate (0.85 g, 86.54%), mp 236-238° C. (lit 226° C.) [Singh H., et al Indian J. Chem. 1969, 7, 1084-1087].

후처리

  1. temperatureheated in a steam bath for 2 h
  2. customobtained
  3. filtrationwas filtered
  4. washwashed with water
  5. customdried
  6. customThe crude product on crystallization from methanol afforded pure oxime 7-oximino-5-androstene-3β,17β-diol diacetate (0.85 g, 86.54%), mp 236-238° C. (lit 226° C.) [Singh H., et al Indian J. Chem. 1969, 7, 1084-1087]

출처 및 근거

ORD 기록
ord-5dafd30003e84c71aab2a5a8b26d3aed
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08361996B2

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