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

HRID 1748005
Notes
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Reaction equation

HRID 1748005 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-4ba1853d2b27403d9e90a125a59708ba
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09150591B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes