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Triethylamine → Pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromonaphthalen-1-yl)-2-oxo-ethyl]ester 1-tert-butyl ester

HRID 71823
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HRID 71823 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[C:13]([OH:15])=[O:14])=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.Br[CH2:24][C:25]([C:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[C:30]([Br:37])=[CH:29][CH:28]=1)=[O:26]>C(#N)C>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[C:13]([O:15][CH2:24][C:25]([C:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[C:30]([Br:37])=[CH:29][CH:28]=1)=[O:26])=[O:14])=[O:7])([CH3:4])([CH3:2])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 2684721-[(Tert-butoxy)carbonyl]pyrrolidine-2-carboxylic acidHCID 596110431-Bromo-4-(bromoacetyl)naphthalene

생성물 1

HCID 66620178Pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromonaphthalen-1-yl)-2-oxo-ethyl]ester 1-tert-butyl ester수율 96.2%

시약·촉매·용매 1

HCID 6342Acetonitrile용매2회

실험 절차

Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester (4.85 g) was dissolved in acetonitrile (65 mL), and triethylamine (3.09 mL) was added. A solution of 2-bromo-1-(4-bromonaphthalen-1-yl)-ethanone (6.60 g) in acetonitrile (35 mL) was added. Reaction mixture was stirred 90 minutes and evaporated under vacuum. Oil was dissolved in DCM (50 mL), extracted once with water (20 mL) and once with NaHCO3 solution (20 mL), and evaporated under vacuum to a concentrated liquid. Solution was purified by chromatography (0-50% ethyl acetate:hexane) and evaporated under vacuum, giving pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromonaphthalen-1-yl)-2-oxo-ethyl]ester 1-tert-butyl ester (8.95 g, 95%) as a tan solid.

후처리

  1. customReaction mixture
  2. customevaporated under vacuum
  3. dissolutionOil was dissolved in DCM (50 mL)
  4. extractionextracted once with water (20 mL) and once with NaHCO3 solution (20 mL)
  5. customevaporated under vacuum to a concentrated liquid
  6. customSolution was purified by chromatography (0-50% ethyl acetate:hexane)
  7. customevaporated under vacuum

출처 및 근거

ORD 기록
ord-84add351f5de42caad8cd1d33f40790b
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08822430B2

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