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Succinimide → N-(2,6-dichlorobenzoyl)-4-[2,6-dimethoxy-4-(succinimidomethyl)phenyl]-L-phenylalanine tert-butyl ester

HRID 24695
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HRID 24695 반응식
CCOC(/N=N/C(OCC)=O)=O.[C:13]([O:17][C:18](=[O:50])[C@H:19]([CH2:31][C:32]1[CH:37]=[CH:36][C:35]([C:38]2[C:43]([O:44][CH3:45])=[CH:42][C:41]([CH2:46]O)=[CH:40][C:39]=2[O:48][CH3:49])=[CH:34][CH:33]=1)[NH:20][C:21](=[O:30])[C:22]1[C:27]([Cl:28])=[CH:26][CH:25]=[CH:24][C:23]=1[Cl:29])([CH3:16])([CH3:15])[CH3:14].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[C:70]1(=[O:76])[NH:74][C:73](=[O:75])[CH2:72][CH2:71]1>C1COCC1>[C:13]([O:17][C:18](=[O:50])[C@H:19]([CH2:31][C:32]1[CH:37]=[CH:36][C:35]([C:38]2[C:39]([O:48][CH3:49])=[CH:40][C:41]([CH2:46][N:74]3[C:73](=[O:75])[CH2:72][CH2:71][C:70]3=[O:76])=[CH:42][C:43]=2[O:44][CH3:45])=[CH:34][CH:33]=1)[NH:20][C:21](=[O:30])[C:22]1[C:23]([Cl:29])=[CH:24][CH:25]=[CH:26][C:27]=1[Cl:28])([CH3:15])([CH3:16])[CH3:14]
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참가 물질

6

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HCID 11439SuccinimideHCID 11776TriphenylphosphineHCID 5462977Diethyl azodicarboxylateHCID 54401991N-(2,6-dichlorobenzoyl)-4-[2,6-dimethoxy-4-(hydroxymethyl)phenyl]-L-phenylalanine tert-butyl ester

생성물 1

HCID 22970625N-(2,6-dichlorobenzoyl)-4-[2,6-dimethoxy-4-(succinimidomethyl)phenyl]-L-phenylalanine tert-butyl ester수율 48.2%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

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온도
0 °C

실험 절차

DEAD (0.13 mL) was added to an ice-cooled solution of N-(2,6-dichlorobenzoyl)-4-[2,6-dimethoxy-4-(hydroxymethyl)phenyl]-L-phenylalanine tert-butyl ester (250 mg), triphenylphosphine (175 mg) and succinimide (90 mg) in THF (3 mL) under N. The mixture was stirred at 0° C. for 30 min, and warmed to room temperature and stirred for 2 h. The mixture was partitioned between H2O and EtOAc, and the aqueous layer was extracted with EtOAC. The combined organic layer was dried (MgSO4), and concentrated in vacuo. The residue was purified by preparative TLC (silica gel; eluent: EtOAc/hexane 1:1) to give N-(2,6-dichlorobenzoyl)-4-[2,6-dimethoxy-4-(succinimidomethyl)phenyl]-L-phenylalanine tert-butyl ester (138 mg).

후처리

  1. temperaturewarmed to room temperature
  2. stirringstirred for 2 h
  3. customThe mixture was partitioned between H2O and EtOAc
  4. extractionthe aqueous layer was extracted with EtOAC
  5. dry with materialThe combined organic layer was dried (MgSO4)
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by preparative TLC (silica gel; eluent: EtOAc/hexane 1:1)

출처 및 근거

ORD 기록
ord-56c872874e3840c7b4386e443eca2318
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06855843B2

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