Triphenylphosphine → HCID 118307766, Verbindung

HRID 718455Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 718455
[C:1]([O:5][C@@H:6]([C:12]1[C:13]([CH3:34])=[N:14][C:15]([CH3:33])=[C:16]([C:26]2[CH:31]=[CH:30][C:29](O)=[CH:28][CH:27]=2)[C:17]=1[N:18]1[CH2:23][CH2:22][C:21]([CH3:25])([CH3:24])[CH2:20][CH2:19]1)[C:7]([O:9]CC)=[O:8])([CH3:4])([CH3:3])[CH3:2].[CH3:35][C:36]1[S:40][C:39]([CH2:41][CH2:42][OH:43])=[CH:38][CH:37]=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C.[OH-].[Na+]>C1COCC1.CO>[C:1]([O:5][C@@H:6]([C:12]1[C:13]([CH3:34])=[N:14][C:15]([CH3:33])=[C:16]([C:26]2[CH:27]=[CH:28][C:29]([O:43][CH2:42][CH2:41][C:39]3[S:40][C:36]([CH3:35])=[CH:37][CH:38]=3)=[CH:30][CH:31]=2)[C:17]=1[N:18]1[CH2:19][CH2:20][C:21]([CH3:25])([CH3:24])[CH2:22][CH2:23]1)[C:7]([OH:9])=[O:8])([CH3:4])([CH3:2])[CH3:3]

Komponenten

8

Edukt 5

HCID 11776TriphenylphosphineHCID 14798Sodium HydroxideHCID 5363146Diisopropyl azodicarboxylateHCID 1328928919498-70-5HCID 118314205(S)-ethyl 2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-hydroxyphenyl)-2,6-dimethylpyridin-3-yl)acetate

Produkt 1

HCID 118307766HCID 118307766, VerbindungAusbeute 21,57 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 887MethanolLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a stirred solution of (S)-ethyl 2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-hydroxyphenyl)-2,6-dimethylpyridin-3-yl)acetate (50 mg, 0.107 mmol), 2-(5-methylthiophen-2-yl)ethanol (76 mg, 0.533 mmol) and Ph3P (139 mg, 0.533 mmol) in THF (2 mL) was added DIAD (0.104 mL, 0.533 mmol) at rt. After 18 h, mixture was filtered to remove polymer, concentrated and treated with 1N NaOH (0.854 mL, 0.854 mmol) in MeOH (1 mL) at 75° C. for 16 h. Mixture was then cooled and purified by prep-HPLC to afford (S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-2,6-dimethyl-5-(4-(2-(5-methylthiophen-2-yl)ethoxy)phenyl)pyridin-3-yl)acetic acid (13 mg, 0.023 mmol, 21.57% yield). 1H NMR (500 MHz, DMSO-d6) δ 7.20 (d, J=8.8 Hz, 1H), 7.10-6.91 (m, 4H), 6.73 (d, J=3.3 Hz, 1H), 6.63 (br. s., 1H), 5.82 (s, 1H), 4.29-4.07 (m, 3H), 3.26 (br. s., 1H), 3.17 (t, J=6.1 Hz, 1H), 2.43 (s, 3H), 2.38 (s, 3H), 2.15 (br. s., 1H), 2.05 (s, 3H), 1.28 (br. s., 2H), 1.17 (d, J=16.5 Hz, 1H), 1.11 (s, 9H), 1.07-0.94 (m, 2H), 0.83 (br. s., 3H), 0.60 (br. s., 3H). LCMS (M+H)=565.3.

Aufarbeitung

  1. filtrationmixture was filtered
  2. customto remove polymer
  3. concentrationconcentrated
  4. temperatureMixture was then cooled
  5. custompurified by prep-HPLC

Quellen und Nachweise

ORD-Eintrag
ord-1442174ba8594f86a52b32e815116820
Quelldatensatz
uspto-grants-2015_11
Patentnummer
US09193720B2

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