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1,2-Dichloroethane → HCID 68674801, compound

HRID 1160322
Notes
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Reaction equation

HRID 1160322 reaction equation
O[N:2]1C2C=CC=CC=2N=N1.C(Cl)CCl.[C:15]([O:19][C:20](=[O:50])[CH2:21][CH:22]([C:26]1[CH:31]=[CH:30][C:29]([O:32][CH2:33][C:34]2[CH:35]=[C:36]([C:40]3[CH:45]=[CH:44][C:43]([C:46]([F:49])([F:48])[F:47])=[CH:42][CH:41]=3)[CH:37]=[CH:38][CH:39]=2)=[CH:28][CH:27]=1)[C:23](O)=[O:24])([CH3:18])([CH3:17])[CH3:16].[OH-].[NH4+]>ClCCl>[C:15]([O:19][C:20](=[O:50])[CH2:21][CH:22]([C:26]1[CH:31]=[CH:30][C:29]([O:32][CH2:33][C:34]2[CH:35]=[C:36]([C:40]3[CH:45]=[CH:44][C:43]([C:46]([F:49])([F:48])[F:47])=[CH:42][CH:41]=3)[CH:37]=[CH:38][CH:39]=2)=[CH:28][CH:27]=1)[C:23]([NH2:2])=[O:24])([CH3:18])([CH3:17])[CH3:16]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 111,2-DichloroethaneHCID 14923Ammonium HydroxideHCID 757711-HydroxybenzotriazoleHCID 68675946HCID 68675946, compound

Product 1

HCID 68674801HCID 68674801, compoundYield 96.1%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

1-hydroxybenzotriazole (225 mg, 1.65 mmol) and EDC (315 mg, 1.65 mmol) were added sequentially to compound 50.3 (750 mg, 1.5 mmol) in dichloromethane (25 mL). The resulting mixture was stirred for 1 h before ammonium hydroxide (25% in water, 630 mg, 4.5 mmol) was added dropwise. The reaction was quenched after 30 min. with water (10 mL). The reaction mixture was extracted with dichloromethane (10 mL×3). The organic extracts were combined, dried over MgSO4 and concentrated under reduced pleasure. The product was purified via flash chromatography (50% ethyl acetate in hexanes) to yield 51.1 (720 mg) as a white solid. MS ESI (pos.) m/e: 500 (M+H). 1H NMR (400 MHz) (CDCl3) δ 7.72 (4H, s); 7.68 (1H, s); 7.57-7.48 (3H, m); 7.29-7.25 (2H, m); 7.0-6.97 (2H, d, J=6,8 Hz); 5.14 (2H, s); 3.91-3.88 (1H, m); 3.19-3.13 (1H, m); 2.60-2.55 (1H, m); 1.4 (9H, s).

Workup

  1. additionwas added dropwise
  2. customThe reaction was quenched after 30 min. with water (10 mL)
  3. extractionThe reaction mixture was extracted with dichloromethane (10 mL×3)
  4. dry with materialdried over MgSO4
  5. concentrationconcentrated under reduced pleasure
  6. customThe product was purified via flash chromatography (50% ethyl acetate in hexanes)

Sources & evidence

ORD record
ord-a277785666c94d7892e131112cefae0d
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07816367B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes