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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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1,8-Diazabicyclo(5.4.0)undec-7-ene → (Z)-5-amino-3,3-dimethyl-6-nitro-1-(pent-2-enyl)-1,3-dihydro-indol-2-one

HRID 2235338
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HRID 2235338 반응식
[CH3:1][C:2]1([CH3:19])[C:10]2[C:5](=[CH:6][C:7]([N+:15]([O-:17])=[O:16])=[C:8]([NH:11]C(=O)C)[CH:9]=2)[NH:4][C:3]1=[O:18].Br[CH2:21]/[CH:22]=[CH:23]\[CH2:24][CH3:25].CC([O-])(C)C.[K+].C1CCN2C(=NCCC2)CC1>CO>[NH2:11][C:8]1[CH:9]=[C:10]2[C:5](=[CH:6][C:7]=1[N+:15]([O-:17])=[O:16])[N:4]([CH2:21]/[CH:22]=[CH:23]\[CH2:24][CH3:25])[C:3](=[O:18])[C:2]2([CH3:1])[CH3:19]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 6110173(2Z)-1-bromopent-2-eneHCID 23092658N-(3,3-Dimethyl-6-nitro-2-oxo-2,3-dihydro-1H-indol-5-yl)acetamideHCID 23665647Potassium tert-butoxide

생성물 1

HCID 59300902(Z)-5-amino-3,3-dimethyl-6-nitro-1-(pent-2-enyl)-1,3-dihydro-indol-2-one수율 38.4%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

Analogously to general procedure (I) N-(3,3-dimethyl-6-nitro-2-oxo-2,3-dihydro-1H-indol-5-yl)-acetamide (1.47 g) is alkylated using (Z)-1-bromo-2-pentene (1 g; 6.71 mmol) and KOtBu (0.75 g; 6.71 mmol) at RT for 20 h. After aqueous work-up and flash chromatography on silica gel eluting with light petroleum/EtOAc (2.5:1) the pure alkylated acetamide (0.85 g; 2.56 mmol) is de-acetylated under reflux conditions using DBU (0.7 ml) in MeOH (60 ml). (Z)-5-amino-3,3-dimethyl-6-nitro-1-(pent-2-enyl)-1,3-dihydro-indol-2-one (0.62 g) is obtained after aqueous work-up.

후처리

  1. customat RT
  2. customfor 20 h

출처 및 근거

ORD 기록
ord-082b91f834704827b2be0134cb8c0a56
출처 데이터셋
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07714010B2

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