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Water → 9-(2-Fluorobiphenyl-4-yl)-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxide

HRID 1405700
Notes
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Reaction equation

HRID 1405700 reaction equation
[H-].[Na+].Cl[CH2:4][CH2:5][S:6](Cl)(=[O:8])=[O:7].[F:10][C:11]1[CH:16]=[C:15]([C:17]2[C:18]([NH2:23])=[N:19][CH:20]=[CH:21][CH:22]=2)[CH:14]=[CH:13][C:12]=1[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.O>C1COCC1.CCCCCC>[F:10][C:11]1[CH:16]=[C:15]([C:17]2[C:18]3=[N:23][S:6](=[O:8])(=[O:7])[CH2:5][CH2:4][N:19]3[CH:20]=[CH:21][CH:22]=2)[CH:14]=[CH:13][C:12]=1[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 15385Ethanesulfonylchloride, 2-chloro-HCID 24758Sodium hydrideHCID 667488543-(2-Fluorobiphenyl-4-yl)pyridin-2-amine

Product 1

HCID 667488159-(2-Fluorobiphenyl-4-yl)-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxideYield 54%

Reagents, catalysts & solvents 2

HCID 8028
Tetrahydrofuran
Solvent
2×
HCID 8058HexaneSolvent

Procedure

To a suspension of 60% sodium hydride (0.76 g) in THF (20 mL) was added 2-chloroethanesulfonyl chloride (1.85 g) under ice-cooling. The reaction mixture was stirred under ice-cooling for 5 min, and a solution of 3-(2-fluorobiphenyl-4-yl)pyridin-2-amine (1.0 g) in THF (20 mL) was added. The reaction mixture was stirred at room temperature overnight, and water and hexane were added under ice-cooling. The resulting solid was collected by filtration, washed with ethyl acetate, and dried under reduced pressure to give the title compound (0.724 g).

Workup

  1. temperaturecooling
  2. temperaturecooling for 5 min
  3. stirringThe reaction mixture was stirred at room temperature overnight
  4. temperaturecooling
  5. filtrationThe resulting solid was collected by filtration
  6. washwashed with ethyl acetate
  7. customdried under reduced pressure

Sources & evidence

ORD record
ord-97fa912d93ce4bbfad0a088b1f551d49
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08916551B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes