1-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinolin-2(1H)-one → (R)-6-(8-amino-5,6,7,8-tetrahydroisoquinolin-4-yl)-1-methyl-3,4-dihydroquinolin-2(1H)-one

HRID 530347Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 530347
Br[C:2]1[C:11]2[CH2:10][CH2:9][CH2:8][C@@H:7]([NH2:12])[C:6]=2[CH:5]=[N:4][CH:3]=1.[CH3:13][N:14]1[C:23]2[C:18](=[CH:19][C:20](B3OC(C)(C)C(C)(C)O3)=[CH:21][CH:22]=2)[CH2:17][CH2:16][C:15]1=[O:33]>>[NH2:12][C@H:7]1[C:6]2[CH:5]=[N:4][CH:3]=[C:2]([C:20]3[CH:19]=[C:18]4[C:23](=[CH:22][CH:21]=3)[N:14]([CH3:13])[C:15](=[O:33])[CH2:16][CH2:17]4)[C:11]=2[CH2:10][CH2:9][CH2:8]1

Komponenten

3

Edukt 2

HCID 722082331-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinolin-2(1H)-oneHCID 86679930(R)-4-Bromo-5,6,7,8-tetrahydroisoquinolin-8-amine

Produkt 1

HCID 86679929(R)-6-(8-amino-5,6,7,8-tetrahydroisoquinolin-4-yl)-1-methyl-3,4-dihydroquinolin-2(1H)-one

Versuchsvorschrift

In analogy to the procedures described for the preparation of intermediate A-2 [E] and for the preparation of intermediate B-1, Suzuki reaction of (+)-(R)-4-bromo-5,6,7,8-tetrahydroisoquinolin-8-amine (intermediate B-3b) with 1-methyl-6-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-3,4-dihydro-1H-quinolin-2-one (intermediate A-1) gave (R)-6-(8-amino-5,6,7,8-tetrahydroisoquinolin-4-yl)-1-methyl-3,4-dihydroquinolin-2(1H)-one and after subsequent reaction with propionyl chloride the title compound as colorless solid. MS: 364.2 (M+H+).

Aufarbeitung

  1. customIn analogy to the procedures described for the preparation of intermediate A-2 [E] and for the preparation of intermediate B-1

Quellen und Nachweise

ORD-Eintrag
ord-c7e5a9db524345429f58668675769759
Quelldatensatz
uspto-grants-2016_05
Patentnummer
US09353081B2

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