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Hydrochloric Acid → 4-amino-N-[3-[(E)-N-(diaminomethylideneamino)-C-methylcarbonimidoyl]phenyl]benzamide;dihydrochloride

HRID 547556
ノート
印刷プレビュー

反応式

HRID 547556 の反応式
[ClH:1].Cl.[NH2:3][C:4](=[N:6]/[N:7]=[C:8](/[C:10]1[CH:11]=[C:12]([NH:16][C:17](=[O:27])[C:18]2[CH:23]=[CH:22][C:21]([N+:24]([O-])=O)=[CH:20][CH:19]=2)[CH:13]=[CH:14][CH:15]=1)\[CH3:9])[NH2:5].CCO.Cl>[Fe].O>[ClH:1].[ClH:1].[NH2:24][C:21]1[CH:20]=[CH:19][C:18]([C:17]([NH:16][C:12]2[CH:13]=[CH:14][CH:15]=[C:10](/[C:8](=[N:7]/[N:6]=[C:4]([NH2:5])[NH2:3])/[CH3:9])[CH:11]=2)=[O:27])=[CH:23][CH:22]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 702EthanolHCID 87307446N-[3-[(E)-N-(diaminomethylideneamino)-C-methylcarbonimidoyl]phenyl]-4-nitrobenzamide;dihydrochloride

生成物 1

HCID 873068154-amino-N-[3-[(E)-N-(diaminomethylideneamino)-C-methylcarbonimidoyl]phenyl]benzamide;dihydrochloride収率 212.2%

試薬・触媒・溶媒 2

HCID 23925Iron
触媒
HCID 962Water溶媒

実験手順

To a refluxing suspension of amide F4 (2.02 g, 5.36 mmol) in 2:1 EtOH:H2O (100 mL) were sequentially added Fe dust (1.20 g, 21.44 mmol) and c.HCl (2 mL), and the resulting suspension was refluxed for 14 h. After this time, the hot reaction mixture was filtered through a pad of Celite, and the solvent was removed under reduced pressure. The residue was re-dissolved in hot H2O, and the resulting suspension filtered through a pad of Celite. Solvent was removed under reduced pressure, and the residue dried via three MeOH-azeotrope cycles. The resulting residue was reprecipitated from acidified MeOH to afford triamine F5 (2.18 g, quantitative) as an amorphous cream solid; 1H NMR (400 MHz, DMSO): δ 11.30 (s, 1H, hydrazonyl-N+—H), 10.05 (s, 1H, ArC(O)NHAr), 8.21 (s, 1H, ArH), 8.20-7.55 (m, 8H, ArH & ═C(NH2)2), 7.36 (t, J=7.90 Hz, 1H, ArH), 6.91 (d, J=7.96 Hz, 1H, ArH), 5.30 (v br s, 3H, ArNH3+), 2.35 (s, 3H, Ar(CH3)═N—); LCMS (APCI+): 311 (100%).

後処理

  1. filtrationAfter this time, the hot reaction mixture was filtered through a pad of Celite
  2. customthe solvent was removed under reduced pressure
  3. dissolutionThe residue was re-dissolved in hot H2O
  4. filtrationthe resulting suspension filtered through a pad of Celite
  5. customSolvent was removed under reduced pressure
  6. dry with materialthe residue dried via three MeOH-azeotrope cycles
  7. customThe resulting residue was reprecipitated

出典と根拠

ORDレコード
ord-b3bba3f84c3b48399cef1fffec8f06b8
出典データセット
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07939546B2

反応ノート

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