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Acetic Anhydride → (R)-3-(1H-indol-3-yl)-1-[N-(2-methoxybenzyl)-acetylamino]-2-(N-triphenylmethylamino)propane

HRID 850371
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HRID 850371 반응식
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][C@@H:11]([NH:23][C:24]([C:37]2[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=2)([C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[CH2:12][NH:13][CH2:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:2]1.C(N(CC)CC)C.[C:50](OC(=O)C)(=[O:52])[CH3:51]>O1CCCC1>[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][C@@H:11]([NH:23][C:24]([C:37]2[CH:38]=[CH:39][CH:40]=[CH:41][CH:42]=2)([C:31]2[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=2)[C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=2)[CH2:12][N:13]([C:50](=[O:52])[CH3:51])[CH2:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:2]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 7918Acetic AnhydrideHCID 8471TriethylamineHCID 10554728HCID 10554728, 화합물

생성물 1

HCID 10674983(R)-3-(1H-indol-3-yl)-1-[N-(2-methoxybenzyl)-acetylamino]-2-(N-triphenylmethylamino)propane수율 87%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a stirring solution of (R)-3-(1H-indol-3-yl)-1-[N-(2-methoxybenzyl)amino]-2-(N-triphenylmethylamino)propane (0.404 mol) in anhydrous tetrahydrofuran (1.2 L) under a nitrogen atmosphere at 0° C. was added triethylamine (66.5 ml, 0.477 mol) and acetic anhydride (45.0 ml, 0.477 mol). After 4 hours, the mixture was concentrated on a rotary evaporator, redissolved in methylene chloride and ethyl acetate, washed with water (2×) and brine (2×), dried over anhydrous sodium sulfate, filtered, and concentrated to a solid on a rotary evaporator. The resulting solid was dissolved in chloroform and loaded onto silica gel 60 (230-400 mesh) and eluted with a 1:1 mixture of ethyl acetate and hexanes. The product was then crystallized from an ethyl acetate/hexanes mixture. The resulting product of (R)-3-(1H-indol-3-yl)-1-[N-(2-5 methoxybenzyl)acetylamino]-2-(N-triphenylmethylamino)propane was crystallized and isolated over three crops giving 208.97 grams (87% yield) of analytically pure material.

후처리

  1. concentrationthe mixture was concentrated on a rotary evaporator
  2. dissolutionredissolved in methylene chloride
  3. washethyl acetate, washed with water (2×) and brine (2×)
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated to a solid on a rotary evaporator
  7. dissolutionThe resulting solid was dissolved in chloroform
  8. washeluted with a 1:1 mixture of ethyl acetate and hexanes
  9. customThe product was then crystallized from an ethyl acetate/hexanes mixture
  10. customThe resulting product of (R)-3-(1H-indol-3-yl)-1-[N-(2-5 methoxybenzyl)acetylamino]-2-(N-triphenylmethylamino)propane was crystallized
  11. customisolated over three crops
  12. customgiving 208.97 grams (87% yield) of analytically pure material

출처 및 근거

ORD 기록
ord-9b4cdb03aebd4dd3ac190058a034d51e
출처 데이터셋
uspto-grants-2000_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06017930

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