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Diisopropylethylamine → 5-{9-[(s)-1-Tert-butoxycarbonyl-3-(2,5-dioxo-pyrrolidin-1-yloxycarbonyl)-propylcarbamoyl]-nonyloxy}-isophthalic acid di-tert-butyl ester

HRID 1022420
ノート
印刷プレビュー

反応式

HRID 1022420 の反応式
[C:1]([O:5][C:6](=[O:46])[C:7]1[CH:19]=[C:18]([O:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30](=[O:45])[NH:31][C@H:32]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:33][CH2:34][C:35]([OH:37])=[O:36])[CH:17]=[C:9]([C:10]([O:12][C:13]([CH3:16])([CH3:15])[CH3:14])=[O:11])[CH:8]=1)([CH3:4])([CH3:3])[CH3:2].[B-](F)(F)(F)F.CN(C(O[N:60]1[C:65](=[O:66])[CH2:64][CH2:63][C:61]1=[O:62])=[N+](C)C)C.CCN(C(C)C)C(C)C>C1COCC1>[C:13]([O:12][C:10](=[O:11])[C:9]1[CH:17]=[C:18]([O:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30](=[O:45])[NH:31][C@H:32]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:33][CH2:34][C:35]([O:37][N:60]2[C:65](=[O:66])[CH2:64][CH2:63][C:61]2=[O:62])=[O:36])[CH:19]=[C:7]([C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:46])[CH:8]=1)([CH3:16])([CH3:15])[CH3:14]
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 98575222-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate2 回HCID 68443966HCID 68443966、化合物

生成物 1

HCID 874559205-{9-[(s)-1-Tert-butoxycarbonyl-3-(2,5-dioxo-pyrrolidin-1-yloxycarbonyl)-propylcarbamoyl]-nonyloxy}-isophthalic acid di-tert-butyl ester

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

5-[9-((S)-1-tert-Butoxycarbonyl-3-carboxy-propylcarbamoyl)-nonyloxy]-isophthalic acid di-tert-butyl ester (70 mg, 0.11 mmol) was dissolved in dry THF (1 ml). TSTU (40 mg, 0.13 mmol) and DIPEA (0.05 ml) was added. The mixture was stirred at room temperature under nitrogen over the weekend. The mixture was concentrated. The residue was redissolved in EtOAc and filtered. The filtrate was washed with 0.1N HCl (2×), washed with brine (1×), dried (Na2SO4) and concentrated to give a clear syrup. There was still starting material present and the TSTU-treatment was repeated followed by work up to give the title compound as a clear syrup.

後処理

  1. concentrationThe mixture was concentrated
  2. dissolutionThe residue was redissolved in EtOAc
  3. filtrationfiltered
  4. washThe filtrate was washed with 0.1N HCl (2×)
  5. washwashed with brine (1×)
  6. dry with materialdried (Na2SO4)
  7. concentrationconcentrated
  8. customto give a clear syrup

出典と根拠

ORDレコード
ord-5f55972c60ad40db876a1df4a68ce6b1
出典データセット
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08722620B2

反応ノート

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