Tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine-1-carboxylate → tert-Butyl 4-(6-(2-methoxy-4-(1H-pyrazol-1-yl)phenyl)pyridazin-3-yl)-5,6-dihydropyridine-1(2H)-carboxylate

HRID 1027195Notes

Reaction equation

HRID 1027195 reaction equation
Cl[C:2]1[N:3]=[N:4][C:5]([C:8]2[CH:13]=[CH:12][C:11]([N:14]3[CH:18]=[CH:17][CH:16]=[N:15]3)=[CH:10][C:9]=2[O:19][CH3:20])=[CH:6][CH:7]=1.CC1(C)C(C)(C)OB([C:29]2[CH2:34][CH2:33][N:32]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:31][CH:30]=2)O1>>[CH3:20][O:19][C:9]1[CH:10]=[C:11]([N:14]2[CH:18]=[CH:17][CH:16]=[N:15]2)[CH:12]=[CH:13][C:8]=1[C:5]1[N:4]=[N:3][C:2]([C:29]2[CH2:34][CH2:33][N:32]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:31][CH:30]=2)=[CH:7][CH:6]=1

Participants

3

Reactant 2

HCID 4642098Tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine-1-carboxylateHCID 867105443-Chloro-6-[2-methoxy-4-(1H-pyrazol-1-yl)phenyl]pyridazine

Product 1

HCID 86710593tert-Butyl 4-(6-(2-methoxy-4-(1H-pyrazol-1-yl)phenyl)pyridazin-3-yl)-5,6-dihydropyridine-1(2H)-carboxylateYield 100%

Procedure

tert-Butyl 4-(6-(2-methoxy-4-(1H-pyrazol-1-yl)phenyl)pyridazin-3-yl)-5,6-dihydropyridine-1(2H)-carboxylate (151 mg, 0.35 mmol, 100% yield) was prepared from Intermediate 2-1 and tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate using General Method 1-4 for Suzuki coupling. LCMS Rt=1.58 min, M+1=434.8 (condition B).

Sources & evidence

ORD record
ord-a50b9be5298e4b21b4e1011358ee579b
Source dataset
uspto-grants-2014_05
Patent number
US08729263B2

Reaction notes

Loading…