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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
ノート
印刷プレビュー

反応式

HRID 1969559 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 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

生成物 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-dione収率 71.5%

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

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)+.

後処理

  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.

出典と根拠

ORDレコード
ord-805c3cd9fd1b4738954f4dd1ca0d3615
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08426411B2

反応ノート

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