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Triethylamine → 9-[4-(4-Chlorophenoxy)phenyl]-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxide

HRID 1405806
Notes
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Reaction equation

HRID 1405806 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5](B(O)O)=[CH:4][CH:3]=1.[O:11]=[S:12]1(=[O:29])[CH2:17][CH2:16][N:15]2[CH:18]=[CH:19][CH:20]=[C:21]([C:22]3[CH:27]=[CH:26][C:25]([OH:28])=[CH:24][CH:23]=3)[C:14]2=[N:13]1.C(N(CC)CC)C>CN(C=O)C.C(O[Cu]OC(=O)C)(=O)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([O:28][C:25]2[CH:24]=[CH:23][C:22]([C:21]3[C:14]4=[N:13][S:12](=[O:29])(=[O:11])[CH2:17][CH2:16][N:15]4[CH:18]=[CH:19][CH:20]=3)=[CH:27][CH:26]=2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8471TriethylamineHCID 742994-Chlorophenylboronic acidHCID 667478174-(2,2-Dioxido-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)phenol

Product 1

HCID 667480189-[4-(4-Chlorophenoxy)phenyl]-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine 2,2-dioxideYield 39.3%

Reagents, catalysts & solvents 2

HCID 178476681
HCID 178476681, compound
Catalyst
HCID 6228DimethylformamideSolvent

Procedure

A mixture of 4-chlorophenylboronic acid (407 mg), 4-(2,2-dioxido-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)phenol (240 mg), diacetoxycopper (316 mg), triethylamine (0.604 mL), and powdered 4A MS (1.5 g) in DMF (10 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 MeOH in EtOAc) to give the title compound (132 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, eluted with MeOH in EtOAc)

Sources & evidence

ORD record
ord-543807cd792d47538d4e5b7034b47a73
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