4-(tert-Butoxycarbonylaminomethyl)phenylboronic acid → methyl 8-(4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate

HRID 1478316Notes

Reaction equation

HRID 1478316 reaction equation
Cl[C:2]1[CH:3]=[CH:4][N:5]2[C:10]([C:11]=1[CH3:12])=[C:9]([CH:13]1[CH2:15][CH2:14]1)[CH:8]=[C:7]([C:16]([O:18][CH3:19])=[O:17])[C:6]2=[O:20].[C:21]([O:25][C:26]([NH:28][CH2:29][C:30]1[CH:35]=[CH:34][C:33](B(O)O)=[CH:32][CH:31]=1)=[O:27])([CH3:24])([CH3:23])[CH3:22]>>[C:21]([O:25][C:26]([NH:28][CH2:29][C:30]1[CH:35]=[CH:34][C:33]([C:2]2[CH:3]=[CH:4][N:5]3[C:10]([C:11]=2[CH3:12])=[C:9]([CH:13]2[CH2:15][CH2:14]2)[CH:8]=[C:7]([C:16]([O:18][CH3:19])=[O:17])[C:6]3=[O:20])=[CH:32][CH:31]=1)=[O:27])([CH3:24])([CH3:22])[CH3:23]

Participants

3

Reactant 2

HCID 38631634-(tert-Butoxycarbonylaminomethyl)phenylboronic acidHCID 86696543Methyl 8-chloro-1-cyclopropyl-9-methyl-4-oxo-quinolizine-3-carboxylate

Product 1

HCID 86696571methyl 8-(4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylateYield 107.5%

Procedure

Methyl 8-(4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate was prepared according to General Procedure A from methyl 8-chloro-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate (500 mg, 1.71 mmol) and (4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-boronic acid (516 mg, 2.06 mmol). Purification by flash silica column chromatography (DCM:MeOH) (1:0 to 9:1) afforded the title compound as a yellow solid (850 mg, 100%).

Workup

  1. customMethyl 8-(4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylate was prepared
  2. customPurification by flash silica column chromatography (DCM:MeOH) (1:0 to 9:1)

Sources & evidence

ORD record
ord-306eca509fb342e680a6f95325c83779
Source dataset
uspto-grants-2016_08
Patent number
US09403818B2

Reaction notes

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