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Hydrochloric Acid → 6-((Tert-butyldiphenylsilyloxy)methyl)-3-(2-fluoro-5-methoxyphenyl)-2-neopentylpyridine

HRID 709632
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 709632
[Si:1]([O:18][CH2:19][C:20]1[N:25]=[C:24](Cl)[C:23]([C:27]2[CH:32]=[C:31]([O:33][CH3:34])[CH:30]=[CH:29][C:28]=2[F:35])=[CH:22][CH:21]=1)([C:14]([CH3:17])([CH3:16])[CH3:15])([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:36][C:37]([CH3:42])([CH3:41])[CH2:38][Mg]Cl.Cl>CC(C1C=CC=C(C(C)C)C=1N1[C-]=[N+](C2C(C(C)C)=CC=CC=2C(C)C)CC1)C.C1COCC1.C(OCC)C>[Si:1]([O:18][CH2:19][C:20]1[N:25]=[C:24]([CH2:36][C:37]([CH3:42])([CH3:41])[CH3:38])[C:23]([C:27]2[CH:32]=[C:31]([O:33][CH3:34])[CH:30]=[CH:29][C:28]=2[F:35])=[CH:22][CH:21]=1)([C:14]([CH3:17])([CH3:16])[CH3:15])([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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Komponenten

7

Edukt 3

HCID 313Hydrochloric AcidHCID 1317338986-((Tert-butyldiphenylsilyloxy)methyl)-2-chloro-3-(2-fluoro-5-methoxyphenyl)pyridineHCID 178418809HCID 178418809, Verbindung

Produkt 1

HCID 1317338996-((Tert-butyldiphenylsilyloxy)methyl)-3-(2-fluoro-5-methoxyphenyl)-2-neopentylpyridine

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 10883669
SIPr
Katalysator
HCID 3283Diethyl EtherLösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

Under an argon atmosphere, to a solution of 6-((tert-butyldiphenylsilyloxy)methyl)-2-chloro-3-(2-fluoro-5-methoxyphenyl)pyridine (10.0 g) and PEPPSIT™-SIPr catalyst (trade name) (1.33 g) in THF (100 mL) was added a 1.5 M solution of 2,2-dimethylpropylmagnesium chloride in diethyl ether (50 mL), and the mixture was stirred at room temperature for 16 hr. 1N Hydrochloric acid was added to the reaction mixture at 0° C., and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure to give the title compound (10.0 g) as a crude brown oil. This compound was used for the next step without further purification.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-e427650e9ba5479fb44aae0246b537d8
Quelldatensatz
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09181186B2

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