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Hydrochloric Acid → (S)-2-{4-[(3-Amino-1-oxo-1,2-dihydro-benzo[f]quinazolin-9-ylmethyl)-amino]-benzoylamino}-pentanedioic acid

HRID 1654394
ノート
印刷プレビュー

反応式

HRID 1654394 の反応式
[O:1]=[C:2]1[C:11]2[C:10]3[CH:12]=[C:13]([CH2:16][NH:17][C:18]4[CH:39]=[CH:38][C:21]([C:22]([NH:24][C@H:25]([C:33]([O:35]CC)=[O:34])[CH2:26][CH2:27][C:28]([O:30]CC)=[O:29])=[O:23])=[CH:20][CH:19]=4)[CH:14]=[CH:15][C:9]=3[CH:8]=[CH:7][C:6]=2[N:5]=[C:4]([NH:40]C(=O)C(C)(C)C)[NH:3]1.Cl>CO.[OH-].[Na+]>[NH2:40][C:4]1[NH:3][C:2](=[O:1])[C:11]2[C:10]3[CH:12]=[C:13]([CH2:16][NH:17][C:18]4[CH:19]=[CH:20][C:21]([C:22]([NH:24][C@H:25]([C:33]([OH:35])=[O:34])[CH2:26][CH2:27][C:28]([OH:30])=[O:29])=[O:23])=[CH:38][CH:39]=4)[CH:14]=[CH:15][C:9]=3[CH:8]=[CH:7][C:6]=2[N:5]=1
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 2

HCID 313Hydrochloric AcidHCID 135448916Diethyl n-(4-(((1,2-dihydro-1-oxo-3-pivalamido-benzo[f]quinazolin-9-yl)methyl)amino)benzoyl)-l-glutamate

生成物 1

HCID 135405044(S)-2-{4-[(3-Amino-1-oxo-1,2-dihydro-benzo[f]quinazolin-9-ylmethyl)-amino]-benzoylamino}-pentanedioic acid収率 91.7%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 14798
Sodium Hydroxide
溶媒

実験手順

A solution of diethyl N-(4-(((1,2-dihydro-1-oxo-3-pivalamidobenzo[f]quinazolin-9-yl)methyl)amino)benzoyl)-L-glutamate (0.31 g, 0.49 mmol) in methanol (15 ml) and 1N NaOH (5 ml) was stirred under nitrogen at reflux for 1.5 hours and then allowed to cool. The solution was adjusted to pH 3 with 1 N-HCl under nitrogen and the resulting precipitate was filtered under nitrogen, washed with water, and dried under high vacuum to give N-(4-(((3-amino-1,2-dihydro-1-oxobenzo[f]quinazolin-9-yl)methyl)amino)benzoyl)-L-glutamic acid (0.22 g) as a white solid. 1H NMR (DMSO-d6, 300 MHz δ: 1.82-2.12 (m, 2H, glu CH2), 2.31 (t, J=7 Hz, 2H, glu CH2), 4.27-4.38 (m, 1H, glu CH), 4.50 (d, J=6 Hz, 2H, C9 --CH2), 6.55 (br s, 2H, NH2), 6.62 (d, J=9 Hz, 2H, Ar), 6.96 (t, J=6 Hz, 1H, ArNH), 7.26 (d, J=9 Hz, 1H, Ar), 7.44 (dd, J=8,2 Hz, 1H, Ar), 7.63 (d, J=9 Hz, 2H, Ar), 7.84 (d, J=8 Hz, 1H, Ar), 7.99 (d, J=9 Hz, 1H, Ar), 8.09 (d, J=8 Hz, 1H, glu NH), 9.67 (s, 1H, Ar), 11.14 (br s, 1H, N2H), 12.32 (br s, 2H, CO2H's). Anal. Calculated for C25H23N5O6.H2O: C, 59.17; H, 4.97; N, 13.80. Found: C, 59.31; H, 4.90; N, 13.72.

後処理

  1. temperatureat reflux for 1.5 hours
  2. temperatureto cool
  3. filtrationthe resulting precipitate was filtered under nitrogen
  4. washwashed with water
  5. customdried under high vacuum

出典と根拠

ORDレコード
ord-42516f3fe01a4191b718812fb26fca9f
出典データセット
uspto-grants-1995_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05405851

反応ノート

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