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Pyridine → (9S)-9-[4-(3-fluoro-5-methylphenoxy)phenyl]-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxide

HRID 2035999
Notes
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Reaction equation

HRID 2035999 reaction equation
[F:1][C:2]1[CH:3]=[C:4](B(O)O)[CH:5]=[C:6]([CH3:8])[CH:7]=1.[O:12]=[S:13]1(=[O:30])[CH2:18][CH2:17][N:16]2[CH2:19][CH2:20][CH2:21][C@@H:22]([C:23]3[CH:28]=[CH:27][C:26]([OH:29])=[CH:25][CH:24]=3)[C:15]2=[N:14]1.N1C=CC=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CC#N.C(O[Cu]OC(=O)C)(=O)C>[F:1][C:2]1[CH:3]=[C:4]([CH:5]=[C:6]([CH3:8])[CH:7]=1)[O:29][C:26]1[CH:25]=[CH:24][C:23]([C@H:22]2[C:15]3=[N:14][S:13](=[O:30])(=[O:12])[CH2:18][CH2:17][N:16]3[CH2:19][CH2:20][CH2:21]2)=[CH:28][CH:27]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 1049PyridineHCID 10796Cesium carbonateHCID 192612653-Fluoro-5-methylbenzeneboronic acidHCID 667484964-[(9S)-2,2-dioxido-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazin-9-yl]phenol

Product 1

HCID 66748507(9S)-9-[4-(3-fluoro-5-methylphenoxy)phenyl]-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxide
Yield 38.5%

Reagents, catalysts & solvents 2

HCID 178476681HCID 178476681, compoundCatalystHCID 6342AcetonitrileSolvent

Procedure

A mixture of (3-fluoro-5-methylphenyl)boronic acid (824 mg), 4-[(9S)-2,2-dioxido-3,4,6,7,8,9-hexahydropyrido[2,1-c][1,2,4]thiadiazin-9-yl]phenol (500 mg), pyridine (3.60 mL), cesium carbonate (581 mg), diacetoxycopper (648 mg), and powdered 4A MS (5.0 g) in MeCN (18 mL) was stirred at room temperature overnight. The mixture was added with NH silica gel, concentrated in vacuo, and purified by column chromatography (NH silica gel, eluted with EtOAc in hexane then MeOH in EtOAc) then recrystallized from EtOAc to give the title compound (267 mg) as a white solid.

Workup

  1. additionThe mixture was added with NH silica gel
  2. concentrationconcentrated in vacuo
  3. custompurified by column chromatography (NH silica gel
  4. washeluted with EtOAc in hexane
  5. customMeOH in EtOAc) then recrystallized from EtOAc

Sources & evidence

ORD record
ord-ccbb5d1c80cc42708fe47d35a45edbd8
Source dataset
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08575154B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes