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1,4-Dioxane → tert-butyl 6-(8-(benzo[d]thiazol-2-ylcarbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-3-(4-methyl-3-phenoxyphenyl)picolinate

HRID 1778859
Notes
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Reaction equation

HRID 1778859 reaction equation
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][C:11]([C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:22]=1[CH2:21][N:20]([C:23]1[N:28]=[C:27]([C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[C:26](B3OC(C)(C)C(C)(C)O3)=[CH:25][CH:24]=1)[CH2:19][CH2:18]2)=[O:12].O1[CH2:50][CH2:49][O:48][CH2:47][CH2:46]1>C([O-])([O-])=O.[Na+].[Na+].C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][C:11]([C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:22]=1[CH2:21][N:20]([C:23]1[N:28]=[C:27]([C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[C:26]([C:6]3[CH:5]=[CH:4][C:9]([CH3:8])=[C:47]([O:48][C:49]4[CH:50]=[CH:21][CH:22]=[CH:13][CH:11]=4)[CH:46]=3)=[CH:25][CH:24]=1)[CH2:19][CH2:18]2)=[O:12]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 312751,4-DioxaneHCID 89498009tert-butyl 6-(8-(benzo[d]thiazol2-ylcarbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate

Product 1

HCID 89498064tert-butyl 6-(8-(benzo[d]thiazol-2-ylcarbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-3-(4-methyl-3-phenoxyphenyl)picolinate

Reagents, catalysts & solvents 2

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
Catalyst
HCID 10340Sodium CarbonateSolvent

Procedure

A mixture of EXAMPLE 30A (172 mg), EXAMPLE 108A (74 mg), and [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (10 mg) in dioxane (6 mL) and 2M aqueous Na2CO3 solution (3 mL) was stirred at 60° C. for 18 hours. The mixture was chromatographed on silica gel using 2-20% ethyl acetate in hexanes to afford the title compound.

Workup

  1. customwas stirred at 60° C. for 18 hours
  2. customThe mixture was chromatographed on silica gel using 2-20% ethyl acetate in hexanes

Sources & evidence

ORD record
ord-0075185550df4f71aaa1731901d176b6
Source dataset
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09266877B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes