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

HRID 547556
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HRID 547556 반응식
[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
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참가 물질

6

반응물 3

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

생성물 1

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

시약·촉매·용매 2

HCID 23925Iron
촉매
HCID 962Water용매

실험 절차

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%).

후처리

  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

출처 및 근거

ORD 기록
ord-b3bba3f84c3b48399cef1fffec8f06b8
출처 데이터셋
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07939546B2

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