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1,2-Dichloroethane → {8-[4-(1,3-Dioxolan-2-yl)phenyl]-9-phenyl[1,2,4]triazolo[3,4-f]-1,6-naphthyridin-3-yl}methanol

HRID 1678777
Notes
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Reaction equation

HRID 1678777 reaction equation
[O:1]1[CH2:5][CH2:4][O:3][CH:2]1[C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:21]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[CH:20][C:19]3[C:14](=[CH:15][CH:16]=[N:17][C:18]=3[NH:28][NH2:29])[N:13]=2)=[CH:8][CH:7]=1.C1C=CC2N(O)N=NC=2C=1.[C:40](O)(=O)[CH2:41][OH:42].C(Cl)CCl>CN(C=O)C.C(OCC)(=O)C.C(O)(=O)C>[O:3]1[CH2:4][CH2:5][O:1][CH:2]1[C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:21]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[CH:20][C:19]3[C:18]4=[N:28][N:29]=[C:40]([CH2:41][OH:42])[N:17]4[CH:16]=[CH:15][C:14]=3[N:13]=2)=[CH:8][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 111,2-DichloroethaneHCID 757Glycolic AcidHCID 757711-HydroxybenzotriazoleHCID 594729242-[4-(1,3-dioxolan-2-yl)phenyl]-5-hydrazinyl-3-phenyl-1,6-Naphthyridine

Product 1

HCID 59472958{8-[4-(1,3-Dioxolan-2-yl)phenyl]-9-phenyl[1,2,4]triazolo[3,4-f]-1,6-naphthyridin-3-yl}methanol

Reagents, catalysts & solvents 3

HCID 176Acetic AcidSolvent
HCID 6228DimethylformamideSolvent
HCID 8857Ethyl AcetateSolvent

Procedure

To a stirred solution of 3-4 (5 g, 13 mMol), HOBT (1.9 g, 14.3 mMol), and glycolic acid (1.2 g, 15.6 mMol) in anhydrous DMF (100 mL) was added EDC (2.7 g, 14.3 mMol). The solution was stirred overnight at ambient temperature. The solution was then treated with 5 mL of glacial acetic acid and was heated to 80° C. in an oil bath for 2 hours. Upon cooling to room temperature, the reaction was diluted with ethyl acetate and washed with NaHCO3 (aq), water, and brine. The organic layer was dried with MgSO4, filtered and concentrated in vacuo to yield 14-1 as a red solid. LC/MS (M+1) calculated: 425.5; observed: 425.6

Workup

  1. temperaturewas heated to 80° C. in an oil bath for 2 hours
  2. temperatureUpon cooling to room temperature
  3. washwashed with NaHCO3 (aq), water, and brine
  4. dry with materialThe organic layer was dried with MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-0bdbee5f9a564cfc82009b91521ade84
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08008317B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes