Ethyl Acetate → 4-Fluoro-N-((6S,9S,12S)-6-formyl-9-isopropyl-8,11-dioxo-2-oxa-7,10-diaza-bicyclo[12.2.2]octadeca-1(17),14(18),15-trien-12-yl)-benzenesulfonamide

HRID 58393노트

반응식

HRID 58393 반응식
C[O:2][C:3]([C@H:5]1[NH:20][C:19](=[O:21])[C@H:18]([CH:22]([CH3:24])[CH3:23])[NH:17][C:16](=[O:25])[C@@H:15]([NH:26][S:27]([C:30]2[CH:35]=[CH:34][C:33]([F:36])=[CH:32][CH:31]=2)(=[O:29])=[O:28])[CH2:14][C:13]2=[CH:37][CH:38]=[C:10]([CH:11]=[CH:12]2)[O:9][CH2:8][CH2:7][CH2:6]1)=O.CC(C[AlH]CC(C)C)C.CCOC(C)=O>C(Cl)Cl>[F:36][C:33]1[CH:34]=[CH:35][C:30]([S:27]([NH:26][C@H:15]2[CH2:14][C:13]3=[CH:12][CH:11]=[C:10]([CH:38]=[CH:37]3)[O:9][CH2:8][CH2:7][CH2:6][C@@H:5]([CH:3]=[O:2])[NH:20][C:19](=[O:21])[C@H:18]([CH:22]([CH3:23])[CH3:24])[NH:17][C:16]2=[O:25])(=[O:28])=[O:29])=[CH:31][CH:32]=1

참가 물질

5

반응물 3

HCID 8857Ethyl AcetateHCID 14487Diisobutylaluminum hydrideHCID 66846973HCID 66846973, 화합물

생성물 1

HCID 573915034-Fluoro-N-((6S,9S,12S)-6-formyl-9-isopropyl-8,11-dioxo-2-oxa-7,10-diaza-bicyclo[12.2.2]octadeca-1(17),14(18),15-trien-12-yl)-benzenesulfonamide

시약·촉매·용매 1

HCID 6344Dichloromethane용매

반응 조건

온도
-78 °C

실험 절차

Ester 68 (39 mg) was dissolved in DCM (6 mL) under an atmosphere of argon. The reaction was cooled to −78° C. To the resultant solution DIBAL (0.39 mL) was added dropwise. This was stirred for 2 h before being allowed to warm to rt overnight. The reaction mixture was partitioned between EtOAc and 1M hydrochloric acid. The aqueous phase was extracted again with EtOAc and the combined organic extracts were dried (MgSO4), filtered and concentrated in vacuo. Purification was achieved using flash chromatography, eluting with a gradient of 1/1 EtOAc/(50/70) petroleum ether to EtOAc to yield a light brown solid, 15 mg, 40%. Rf=0.25 (1/1 EtOAc/(50/70) petroleum ether).

후처리

  1. temperatureto warm to rt overnight
  2. customThe reaction mixture was partitioned between EtOAc and 1M hydrochloric acid
  3. extractionThe aqueous phase was extracted again with EtOAc
  4. dry with materialthe combined organic extracts were dried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customPurification
  8. washeluting with a gradient of 1/1 EtOAc/(50/70) petroleum ether to EtOAc
  9. customto yield a light brown solid, 15 mg, 40%

출처 및 근거

ORD 기록
ord-94286a6b253548a0959ead3e1de72680
출처 데이터셋
uspto-grants-2016_09
특허 번호
US09434762B2

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