Diethylenetriaminepentaacetic acid → DTPA dianhydride

HRID 41801

反応式

HRID 41801 の反応式
[CH2:1]([N:12]([CH2:24][C:25]([OH:27])=[O:26])[CH2:13][CH2:14][N:15]([CH2:20][C:21]([OH:23])=O)[CH2:16][C:17]([OH:19])=[O:18])[CH2:2][N:3]([CH2:8][C:9]([OH:11])=[O:10])[CH2:4][C:5]([OH:7])=O.C(OC(=O)C)(=O)C>N1C=CC=CC=1>[CH2:20]1[N:15]([CH2:14][CH2:13][N:12]([CH2:24][C:25]([OH:27])=[O:26])[CH2:1][CH2:2][N:3]2[CH2:8][C:9](=[O:10])[O:11][C:5](=[O:7])[CH2:4]2)[CH2:16][C:17](=[O:19])[O:18][C:21]1=[O:23]

参加物

4

実験手順

1.08 gram of DTPA (2.7 mmol), 2 mL acetic anhydride and 1.3 mL pyridine were stirred for 48 hours at 60° C. and then the reaction mixture was filtered at room temperature. The solid product washed to be free of pyridine with acetic anhydride and then with diethyl ether, and is dried.

後処理

  1. filtrationthe reaction mixture was filtered at room temperature
  2. washThe solid product washed
  3. dry with materialwith diethyl ether, and is dried

出典と根拠

ORDレコード
ord-c95a531273a7400eacd53b7c1e81426f
出典データセット
uspto-grants-2013_09
特許番号
US08532742B2

関連ノート

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