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N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-bromo-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide → N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-acetyloxy-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide

HRID 233062
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HRID 233062 반응식
[C:1]([O:4][CH2:5][CH:6]([NH:12][C:13]([C:15]1[C:20]([I:21])=[C:19]([N:22]2[CH2:26][CH2:25][CH:24](Br)[C:23]2=[O:28])[C:18]([I:29])=[C:17]([C:30]([NH:32][CH:33]([CH2:39][O:40][C:41](=[O:43])[CH3:42])[CH2:34][O:35][C:36](=[O:38])[CH3:37])=[O:31])[C:16]=1[I:44])=[O:14])[CH2:7][O:8][C:9](=[O:11])[CH3:10])(=[O:3])[CH3:2]>C(O)(=O)C.C([O-])(=O)C.[Ag+]>[C:1]([O:4][CH2:5][CH:6]([NH:12][C:13]([C:15]1[C:20]([I:21])=[C:19]([N:22]2[CH2:26][CH2:25][CH:24]([O:4][C:1](=[O:3])[CH3:2])[C:23]2=[O:28])[C:18]([I:29])=[C:17]([C:30]([NH:32][CH:33]([CH2:39][O:40][C:41](=[O:43])[CH3:42])[CH2:34][O:35][C:36](=[O:38])[CH3:37])=[O:31])[C:16]=1[I:44])=[O:14])[CH2:7][O:8][C:9](=[O:11])[CH3:10])(=[O:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 1

HCID 19048411N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-bromo-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide

생성물 1

HCID 19048398N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-acetyloxy-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide수율 163.4%

시약·촉매·용매 2

HCID 11246Silver acetate촉매HCID 176Acetic Acid용매

실험 절차

N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-bromo-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide (4.00 g, 3.92 mmol) of example 4a was dissolved in glacial acetic acid (40 ml) and treated with silver acetate (3.25 g, 19.50 mmol) at 133°-135° for 26 hours under a nitrogen atmosphere. The suspended solids were filtered off and the solvent was removed in vacuo. The resulting crude residue was treated with acetic anhydride (30 ml) and pyridine (42 ml), after which the volatile components were completely removed Under high vacuum. The resulting product was purified by silica gel flash chromatography to obtain N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-acetyloxy-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide as a pale orange foam (3.20 g, 82% yield).

후처리

  1. filtrationThe suspended solids were filtered off
  2. customthe solvent was removed in vacuo
  3. additionThe resulting crude residue was treated with acetic anhydride (30 ml) and pyridine (42 ml)
  4. customafter which the volatile components were completely removed Under high vacuum
  5. customThe resulting product was purified by silica gel flash chromatography

출처 및 근거

ORD 기록
ord-0ee86eb8837746348c044554d782601d
출처 데이터셋
uspto-grants-1997_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05591846

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