2,4-Dichlorophenylboric acid → 5-(2,4-Dichloro-phenyl)-2-[4-(4-pyrrolidin-1-ylmethyl-phenyl)-but-1-ynyl]-pyridine

HRID 1916539

Reaction equation

Br[C:2]1[CH:3]=[CH:4][C:5]([C:8]#[C:9][CH2:10][CH2:11][C:12]2[CH:17]=[CH:16][C:15]([CH2:18][N:19]3[CH2:23][CH2:22][CH2:21][CH2:20]3)=[CH:14][CH:13]=2)=[N:6][CH:7]=1.[Cl:24][C:25]1[CH:30]=[C:29]([Cl:31])[CH:28]=[CH:27][C:26]=1OB(O)O>O1CCOCC1.C([O-])([O-])=O.[Na+].[Na+]>[Cl:24][C:25]1[CH:30]=[C:29]([Cl:31])[CH:28]=[CH:27][C:26]=1[C:2]1[CH:3]=[CH:4][C:5]([C:8]#[C:9][CH2:10][CH2:11][C:12]2[CH:17]=[CH:16][C:15]([CH2:18][N:19]3[CH2:23][CH2:22][CH2:21][CH2:20]3)=[CH:14][CH:13]=2)=[N:6][CH:7]=1

Participants

Conditions

Temperature: 110 °C

Procedure

10 mg (0.01 mmol) tetrakis-triphenylphosphane-palladium are added to a suspension of 60 mg (0.16 mmol) 5-bromo-2-[4-(4-pyrrolidin-1-ylmethyl-phenyl)-but-1-ynyl]-pyridine and 63 mg (0.32 mmol) 2,4-dichlorophenylboric acid in 4 mL 1,4-dioxane and 1 mL 2 M Na2CO3 solution and the reaction mixture is stirred for 1 h at 110° C. The mixture is evaporated down i. vac. and the residue is extracted twice with in each case 15 mL EtOH. The solvent is removed and the residue is purified by HPLC.

Workup

customThe mixture is evaporated down i
extractionand the residue is extracted twice with in each case 15 mL EtOH
customThe solvent is removed
customthe residue is purified by HPLC

Sources & evidence

ORD record: ord-ce43bbbb8e494ce2b06988513ee96b05
Source dataset: uspto-grants-2013_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08618132B2

Linked notes

Loading…