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Triethylamine → Pyrrolidine-1,2-dicarboxylic acid 2-[2-(6-bromo-naphthalen-2-yl)-2-oxo-ethyl]ester 1-tert-butyl ester

HRID 71832
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HRID 71832 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[CH:36]=[CH:35][C:34]2[C:29](=[CH:30][CH:31]=[C:32]([Br:37])[CH:33]=2)[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[CH:36]=[CH:35][C:34]2[C:29](=[CH:30][CH:31]=[C:32]([Br:37])[CH:33]=2)[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 126988982-Bromo-1-(6-bromonaphthalen-2-yl)ethanone

생성물 1

HCID 66620206Pyrrolidine-1,2-dicarboxylic acid 2-[2-(6-bromo-naphthalen-2-yl)-2-oxo-ethyl]ester 1-tert-butyl ester수율 84.3%

시약·촉매·용매 1

HCID 6342Acetonitrile
용매
2회

실험 절차

Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester (24.0 g) was dissolved in acetonitrile (330 mL), and triethylamine (15.6 mL) was added. A solution of 2-bromo-1-(6-bromonaphthalen-2-yl)-ethanone (33.0 g) in acetonitrile (170 mL) were added. Reaction mixture was stirred over 3 days and evaporated under vacuum. Oil was dissolved in dichloromethane (100 mL), extracted with water (50 mL) and with NaHCO3 solution (50 mL), and evaporated under vacuum to a concentrated liquid. Solution was purified by chromatography (0-30% ethyl acetate:hexane) and evaporated under vacuum, giving pyrrolidine-1,2-dicarboxylic acid 2-[2-(6-bromo-naphthalen-2-yl)-2-oxo-ethyl]ester 1-tert-butyl ester (39.2 g, 84%) as a tan solid.

후처리

  1. customReaction mixture
  2. customevaporated under vacuum
  3. dissolutionOil was dissolved in dichloromethane (100 mL)
  4. extractionextracted with water (50 mL) and with NaHCO3 solution (50 mL)
  5. customevaporated under vacuum to a concentrated liquid
  6. customSolution was purified by chromatography (0-30% ethyl acetate:hexane)
  7. customevaporated under vacuum

출처 및 근거

ORD 기록
ord-d3afa0d21e7e4d4ea1b935e19af96b2a
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08822430B2

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