Tetrahydrofuran → tert-Butyl cis(+/-)-4-{benzyl[(benzyloxy)carbonyl]amino}-3-[{2-methyl-2-propen-1-yl}oxy]piperidine-1-carboxylate

HRID 43711Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 43711
[CH2:1]([NH:8][C@H:9]1[CH2:14][CH2:13][N:12]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[CH2:11][C@H:10]1[O:22][CH2:23][C:24]([CH3:26])=[CH2:25])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(=O)(O)[O-].[Na+].Cl[C:33]([O:35][CH2:36][C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1)=[O:34].C1COCC1>O>[CH2:1]([N:8]([C:33]([O:35][CH2:36][C:37]1[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=1)=[O:34])[C@H:9]1[CH2:14][CH2:13][N:12]([C:15]([O:17][C:18]([CH3:19])([CH3:20])[CH3:21])=[O:16])[CH2:11][C@H:10]1[O:22][CH2:23][C:24]([CH3:26])=[CH2:25])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Komponenten

6

Edukt 4

HCID 8028TetrahydrofuranHCID 10387Benzyl chloroformateHCID 516892Sodium BicarbonateHCID 86648620tert-Butyl cis(+/-)-4-(benzylamino)-3-[(2-methyl-2-propen-1-yl)oxy]piperidine-1-carboxylate

Produkt 1

HCID 68405960tert-Butyl cis(+/-)-4-{benzyl[(benzyloxy)carbonyl]amino}-3-[{2-methyl-2-propen-1-yl}oxy]piperidine-1-carboxylateAusbeute 90,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

The same operation as in Example (103a) was performed using tert-butyl cis(±)-4-(benzylamino)-3-[(2-methyl-2-propen-1-yl)oxy]piperidine-1-carboxylate obtained in Example (117c) (4.4 g, 12.2 mmol), sodium bicarbonate, benzyl chloroformate (2.81 g, 16 mmol), THF (15 mL) and water (15 mL). The residue was purified by silica gel column chromatography (elution solvent: ethyl acetate/hexane=1/4, 1/2, 1/1) to obtain 5.46 g of the title compound as a colorless oily substance (99%).

Aufarbeitung

  1. customThe residue was purified by silica gel column chromatography (elution solvent: ethyl acetate/hexane=1/4, 1/2, 1/1)

Quellen und Nachweise

ORD-Eintrag
ord-8447ac16a2cd439ab94d4764ba041193
Quelldatensatz
uspto-grants-2013_09
Patentnummer
US08536197B2

Notizen zur Reaktion

Wird geladen…