3-Butyn-2-amine, 2-methyl- → {4-[5-(3-Amino-3-methyl-but-1-ynyl)-thiophen-2-yl]-pyrimidin-2-yl}-(2,2,6,6-tetramethyl-piperidin-4-yl)-amine

HRID 1434921Notes

Reaction equation

HRID 1434921 reaction equation
Br[C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][N:10]=[C:9]([NH:13][CH:14]3[CH2:19][C:18]([CH3:21])([CH3:20])[NH:17][C:16]([CH3:23])([CH3:22])[CH2:15]3)[N:8]=2)=[CH:4][CH:3]=1.[CH3:24][C:25]([NH2:29])([CH3:28])[C:26]#[CH:27]>C(N(CC)CC)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[NH2:29][C:25]([CH3:28])([CH3:24])[C:26]#[C:27][C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][N:10]=[C:9]([NH:13][CH:14]3[CH2:19][C:18]([CH3:21])([CH3:20])[NH:17][C:16]([CH3:23])([CH3:22])[CH2:15]3)[N:8]=2)=[CH:4][CH:3]=1

Participants

6

Reactant 2

HCID 763193-Butyn-2-amine, 2-methyl-HCID 57936128{4-[5-Bromothiophen-2-yl]-pyrimidin-2-yl}-(2,2,6,6-tetramethyl-piperidin-4-yl)-amine

Product 1

HCID 11211671{4-[5-(3-Amino-3-methyl-but-1-ynyl)-thiophen-2-yl]-pyrimidin-2-yl}-(2,2,6,6-tetramethyl-piperidin-4-yl)-amine

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418476HCID 178418476, compoundCatalystHCID 8471TriethylamineSolvent

Procedure

{4-[5-Bromothiophen-2-yl]-pyrimidin-2-yl}-(2,2,6,6-tetramethyl-piperidin-4-yl)-amine (100 mg, 0.253 mmol), PdCl2(PPh3)2 (18 mg, 0.025 mmol), 1,1-dimethyl-prop-2-ynylamine (0.03 ml, 0.253 mmol) and CuI (15 mg) were dissolved in triethylamine (25 ml) and refluxed for 1 hour. The reaction mixture was filtered, evaporated to dryness and taken up in DCM, filtered and evaporated again and the residue crystallized from ether to give the title compound as red-yellow crystals. Yield: 50 mg (50%).

Workup

  1. temperaturerefluxed for 1 hour
  2. filtrationThe reaction mixture was filtered
  3. customevaporated to dryness
  4. filtrationfiltered
  5. customevaporated again
  6. customthe residue crystallized from ether

Sources & evidence

ORD record
ord-6467b19671b34c57bb9a0facdd610a97
Source dataset
uspto-grants-2009_11
Patent number
US07615562B2

Reaction notes

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