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Diisopropylethylamine → 8-(1,1-dimethylethyl) 3-ethyl 2-{N-[(methyloxy)carbonyl]-L-valyl}-2,8-diazaspiro[4.5]decane-3,8-dicarboxylate

HRID 1800783
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HRID 1800783 반응식
[CH2:1]1[C:5]2([CH2:10][CH2:9][N:8]([C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])[CH2:7][CH2:6]2)[CH2:4][CH:3]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[NH:2]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH3:47][O:48][C:49]([NH:51][C@H:52]([C:56](O)=[O:57])[CH:53]([CH3:55])[CH3:54])=[O:50].CCN(C(C)C)C(C)C>C(Cl)Cl>[CH3:47][O:48][C:49]([NH:51][C@H:52]([C:56]([N:2]1[CH:3]([C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH2:4][C:5]2([CH2:6][CH2:7][N:8]([C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])[CH2:9][CH2:10]2)[CH2:1]1)=[O:57])[CH:53]([CH3:54])[CH3:55])=[O:50]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 10942966(2S)-2-((methoxycarbonyl)amino)-3-methylbutanoic acidHCID 497612358-Tert-butyl 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate

생성물 1

HCID 58313157
8-(1,1-dimethylethyl) 3-ethyl 2-{N-[(methyloxy)carbonyl]-L-valyl}-2,8-diazaspiro[4.5]decane-3,8-dicarboxylate
수율 55.5%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of 8-(1,1-dimethylethyl) 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate (131) (150 mg, 0.48 mmol), HATU (183 mg, 0.48 mmol) and N-[(methyloxy)carbonyl]-L-valine (93 mg, 0.53 mmol) in anhydrous CH2Cl2 (4 mL) was added Hunig's base (0.17 mL, 0.96 mmol) and the reaction stirred at room temperature under nitrogen for 2 h. The reaction was concentrated in vacuo and purified by silica gel chromatography eluting with 15-80% hexanes/EtOAc to afford the title compound as a pale yellow oil (125 mg, 55% yield).

후처리

  1. concentrationThe reaction was concentrated in vacuo
  2. custompurified by silica gel chromatography
  3. washeluting with 15-80% hexanes/EtOAc

출처 및 근거

ORD 기록
ord-37f88c80cd2a4787875aa3110296acf2
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08344155B2

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