4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-2-carbonitrile → 4-[5-(2-Cyano-pyridin-4-yl)-2,3-dihydro-furo[2,3-c]pyridin-2-yl]-piperidine-1-carboxylic acid tert-butyl ester
Reaktionsgleichung
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([CH:14]2[O:23][C:17]3=[CH:18][N:19]=[C:20](Cl)[CH:21]=[C:16]3[CH2:15]2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CC1(C)C(C)(C)OB([C:32]2[CH:37]=[CH:36][N:35]=[C:34]([C:38]#[N:39])[CH:33]=2)O1>>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([CH:14]2[O:23][C:17]3=[CH:18][N:19]=[C:20]([C:32]4[CH:37]=[CH:36][N:35]=[C:34]([C:38]#[N:39])[CH:33]=4)[CH:21]=[C:16]3[CH2:15]2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]Komponenten
3
Edukt 2
Produkt 1
Versuchsvorschrift
The title compound is prepared from 4-(5-chloro-2,3-dihydro-furo[2,3-c]pyridin-2-yl)-piperidine-1-carboxylic acid tert-butyl ester and 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridine-2-carbonitrile following a procedure analogous to that described in Example 28. LC (method 10): tR=1.73 min; Mass spectrum (ESI+): m/z=407 [M+H]+.