tert-Butyl piperazine-1-carboxylate → HCID 66868625, compound

HRID 242092Notes

Reaction equation

HRID 242092 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][C:11]=1[O:12][CH3:13])[CH:8]([C:14]1([C:18]3[CH:23]=[CH:22][C:21]([Cl:24])=[CH:20][CH:19]=3)[CH2:17][CH2:16][CH2:15]1)[NH:7][CH2:6][CH2:5]2.[C:25]([N:32]1[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]1)([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26].C1(P(C2CCCCC2)C2C=CC=CC=2C2C(N(C)C)=CC=CC=2)CCCCC1>C1(C)C=CC=CC=1>[Cl:24][C:21]1[CH:20]=[CH:19][C:18]([C:14]2([CH:8]3[C:9]4[C:4](=[CH:3][C:2]([N:35]5[CH2:34][CH2:33][N:32]([C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[CH2:37][CH2:36]5)=[C:11]([O:12][CH3:13])[CH:10]=4)[CH2:5][CH2:6][NH:7]3)[CH2:15][CH2:16][CH2:17]2)=[CH:23][CH:22]=1

Participants

5

Reactant 3

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 27342172-(Dicyclohexylphosphino)-2'-(dimethylamino)biphenylHCID 66869005HCID 66869005, compound

Product 1

HCID 66868625HCID 66868625, compound

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

A solution of 6-bromo-1-[1-(4-chlorophenyl)cyclobutyl]-7-methoxy-1,2,3,4-tetrahydroisoquinoline (203 mg, 0.5 mmol), Boc-piperazine (93 mg, 0.5 mmol), tris(benzylideaceton)dipalladium (18 mg, 0.02 mmol), sodium-tert-butylate (48 mg, 0.5 mmol) and 2′-(dicyclohexylphosphino)-N,N-dimethylbiphenyl-2-amine 815.7 mg, 0.04 mmol) under nitrogen in toluene (5 ml) was heated in the microwave to 120° C. for 10 minutes. The solvent was removed, the residue dissolved in methylenehloride and extracted with water. The methylenehloride was evaporated and the remaining solid purified by chromatography. Yield: 56 mg (0.1 mmol, 20%)

Workup

  1. customThe solvent was removed
  2. dissolutionthe residue dissolved in methylenehloride
  3. extractionextracted with water
  4. customThe methylenehloride was evaporated
  5. customthe remaining solid purified by chromatography

Sources & evidence

ORD record
ord-37eaa0f0ac6c4a81aecc267fe8e02f82
Source dataset
uspto-grants-2014_02
Patent number
US08653100B2

Reaction notes

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