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Diisopropylethylamine → 3-((1S,3R,4S)-3-ethyl-4-(6-tosyl-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyrazin-1-yl)cyclopentylamino)-4-methoxycyclobut-3-ene-1,2-dione

HRID 1969559
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HRID 1969559 반응식
[CH2:1]([C@H:3]1[C@@H:7]([C:8]2[N:12]3[C:13]4[CH:19]=[CH:18][N:17]([S:20]([C:23]5[CH:29]=[CH:28][C:26]([CH3:27])=[CH:25][CH:24]=5)(=[O:22])=[O:21])[C:14]=4[N:15]=[CH:16][C:11]3=[N:10][N:9]=2)[CH2:6][C@@H:5]([NH2:30])[CH2:4]1)[CH3:2].[CH3:31][O:32][C:33]1[C:34](=O)[C:35](=[O:39])[C:36]=1[O:37]C.CCN(C(C)C)C(C)C>CO>[CH2:1]([C@H:3]1[C@@H:7]([C:8]2[N:12]3[C:13]4[CH:19]=[CH:18][N:17]([S:20]([C:23]5[CH:24]=[CH:25][C:26]([CH3:27])=[CH:28][CH:29]=5)(=[O:22])=[O:21])[C:14]=4[N:15]=[CH:16][C:11]3=[N:10][N:9]=2)[CH2:6][C@@H:5]([NH:30][C:34]2[C:35](=[O:39])[C:36](=[O:37])[C:33]=2[O:32][CH3:31])[CH2:4]1)[CH3:2]
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참가 물질

5

반응물 3

HCID 81531DiisopropylethylamineHCID 1232273-Cyclobutene-1,2-dione, 3,4-dimethoxy-HCID 58557840(1S,3R,4S)-3-ethyl-4-(6-tosyl-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyrazin-1-yl)cyclopentanamine

생성물 1

HCID 866604333-((1S,3R,4S)-3-ethyl-4-(6-tosyl-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyrazin-1-yl)cyclopentylamino)-4-methoxycyclobut-3-ene-1,2-dione수율 71.5%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a solution of (1S,3R,4S)-3-ethyl-4-(6-tosyl-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyrazin-1-yl)cyclopentanamine (0.40 g, 0.942 mmol, Example #8 Step M) in MeOH (3 mL) was added 3,4-dimethoxycyclobut-3-ene-1,2-dione (0.14 g, 0.98 mmol) and DIEA (0.18 mL, 1.0 mmol). The reaction was stirred at rt for about 16.5 h. Then the solid from the reaction mixture was collected via vacuum filtration, while washing with cold MeOH (about 4° C., 10 mL), and dried in a vacuum oven at about 60° C. to give crude 3-((1S,3R,4S)-3-ethyl-4-(6-tosyl-6H-pyrrolo[2,3-e][1,2,4]triazolo[4,3-a]pyrazin-1-yl)cyclopentylamino)-4-methoxycyclobut-3-ene-1,2-dione (0.36 g, 73%, 90% purity): LC/MS (Table 1, Method a) Rt=2.13 min; MS m/z: 535 (M+H)+.

후처리

  1. filtrationThen the solid from the reaction mixture was collected via vacuum filtration
  2. washwhile washing with cold MeOH (about 4° C., 10 mL)
  3. customdried in a vacuum oven at about 60° C.

출처 및 근거

ORD 기록
ord-805c3cd9fd1b4738954f4dd1ca0d3615
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08426411B2

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