Diisopropylethylamine → Rac.-n-[1-(5-chloro-1h-benzimidazol-2-yl)]ethyl-3-bromo-4-(pyrrolidin-1-ylcarbonyl)benzamide

HRID 2053823Notes

Reaction equation

HRID 2053823 reaction equation
[Br:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[C:11]([N:13]1[CH2:17][CH2:16][CH2:15][CH2:14]1)=[O:12])[C:5]([OH:7])=O.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.C(N(C(C)C)CC)(C)C.[Cl:49][C:50]1[CH:61]=[CH:60][C:53]2[NH:54][C:55]([CH:57]([NH2:59])[CH3:58])=[N:56][C:52]=2[CH:51]=1.BrBr.ClCl>O1CCCC1.C(Cl)Cl.C(O)C>[Cl:49][C:50]1[CH:61]=[CH:60][C:53]2[NH:54][C:55]([CH:57]([NH:59][C:5](=[O:7])[C:4]3[CH:8]=[CH:9][C:10]([C:11]([N:13]4[CH2:17][CH2:16][CH2:15][CH2:14]4)=[O:12])=[C:2]([Br:1])[CH:3]=3)[CH3:58])=[N:56][C:52]=2[CH:51]=1

Participants

8

Reactant 5

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 693124883-Bromo-4-(pyrrolidin-1-ylcarbonyl)benzoic acidHCID 131726752Bromine chlorineHCID 178463384HCID 178463384, compound

Product 1

HCID 178464775Rac.-n-[1-(5-chloro-1h-benzimidazol-2-yl)]ethyl-3-bromo-4-(pyrrolidin-1-ylcarbonyl)benzamideYield 73%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 21584144Dichloromethane ethanolSolvent

Procedure

Prepared analogously to Example 1g from 3-bromo-4-(pyrrolidin-1-ylcarbonyl)benzoic acid, TBTU, diisopropylethylamine, and rac.-1-(5-chloro-1H-benzimidazol-2-yl)ethylamine in tetrahydrofuran. Yield: 73%; Rf value: 0.50 (silica gel; methylene chloride/ethanol=9:1); C21H20BrClN4O2 (475.78); mass spectrum: (M−H)−=473/475/477 (bromine/chlorine isotope).

Sources & evidence

ORD record
ord-d80d966c5fce46ddbe4ac6a38954db35
Source dataset
uspto-grants-2008_02
Patent number
US07326791B2

Reaction notes

Loading…