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Acetic Acid → (1R,2S,3R)-3-[6'-(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-3,4,5,6-tetrahydro-2H-1,2'-bipyridinyl-4-ylamino]cyclopentane-1,2-diol

HRID 2175099
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2175099
[NH2:1][C@@H:2]1[CH2:6][CH2:5][C@@H:4]([OH:7])[C@H:3]1[OH:8].CCN(C(C)C)C(C)C.[CH3:18][C:19]1([CH3:44])[CH2:28][CH2:27][C:26]([CH3:30])([CH3:29])[C:25]2[CH:24]=[C:23]([C:31]3[N:36]=[C:35]([N:37]4[CH2:42][CH2:41][C:40](=O)[CH2:39][CH2:38]4)[CH:34]=[CH:33][CH:32]=3)[CH:22]=[CH:21][C:20]1=2.C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C1COCC1.CN(C=O)C>[CH3:18][C:19]1([CH3:44])[CH2:28][CH2:27][C:26]([CH3:29])([CH3:30])[C:25]2[CH:24]=[C:23]([C:31]3[N:36]=[C:35]([N:37]4[CH2:42][CH2:41][CH:40]([NH:1][C@@H:2]5[CH2:6][CH2:5][C@@H:4]([OH:7])[C@H:3]5[OH:8])[CH2:39][CH2:38]4)[CH:34]=[CH:33][CH:32]=3)[CH:22]=[CH:21][C:20]1=2
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

9

Edukt 6

HCID 176Acetic AcidHCID 81531DiisopropylethylamineHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 13497976(1R,2S,3R)-3-aminocyclopentane-1,2-diolHCID 672484016'-(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-2,3,5,6-tetrahydro-1,2'-bipyridinyl-4-one

Produkt 1

HCID 68380456(1R,2S,3R)-3-[6'-(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-3,4,5,6-tetrahydro-2H-1,2'-bipyridinyl-4-ylamino]cyclopentane-1,2-diol

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

31 mg (0.199 mmol) of (1R,2S,3R)-3-aminocyclopentane-1,2-diol are dissolved in 3.5 ml of THF and 2 ml of DMF, and 33.8 μl of DIPEA are added. 80 mg (0.199 mmol) of 6′-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-2,3,5,6-tetrahydro-1,2′-bipyridinyl-4-one are added. The mixture is stirred at room temperature for 30 min, 23 μl (0.398 mmol) of glacial acetic acid are added, and the mixture is stirred for a further 10 min. 89 mg (0.398 mmol) of sodium triacetoxyborohydride are subsequently added. The reaction mixture is stirred at room temperature overnight, a concentrated sodium hydrogencarbonate solution is added, and the mixture is extracted twice with EA. The organic phase is dried over sodium sulfate, filtered and evaporated. The residue is purified by means of preparative HPLC. The product is in the form of the hydrochloride.

Aufarbeitung

  1. stirringthe mixture is stirred for a further 10 min
  2. stirringThe reaction mixture is stirred at room temperature overnight
  3. extractionthe mixture is extracted twice with EA
  4. dry with materialThe organic phase is dried over sodium sulfate
  5. filtrationfiltered
  6. customevaporated
  7. customThe residue is purified by means of preparative HPLC

Quellen und Nachweise

ORD-Eintrag
ord-c23db8b055744c7585ec7a32f5ebaec0
Quelldatensatz
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09062015B2

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