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1h-1,2,4-Triazole sodium salt → Tert-butyl (3rs,4rs)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylate

HRID 1858663
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1858663
CS(O[CH2:6][CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([CH:15]2[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH:16]2[O:28][CH2:29][C:30]2[CH:39]=[CH:38][C:37]3[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=3)[CH:31]=2)=[CH:11][CH:10]=1)(=O)=O.[Na].[NH:41]1[CH:45]=[N:44][CH:43]=[N:42]1>CN(C)C=O>[CH:31]1[C:32]2[C:37](=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH:38]=[CH:39][C:30]=1[CH2:29][O:28][CH:16]1[CH:15]([C:12]2[CH:13]=[CH:14][C:9]([O:8][CH2:7][CH2:6][N:41]3[CH:45]=[N:44][CH:43]=[N:42]3)=[CH:10][CH:11]=2)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:25])([CH3:26])[CH3:27])=[O:22])[CH2:17]1
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Komponenten

4

Edukt 2

HCID 454898221h-1,2,4-Triazole sodium saltHCID 86604409tert-butyl (3RS,4RS)-4-[4-(2-methylsulfonyloxy-ethoxy)-phenyl]-3-(naphthalen-2-ylmethoxy)-piperidine-1-carboxylate

Produkt 1

HCID 53745200Tert-butyl (3rs,4rs)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylateAusbeute 85,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228Dimethylformamide
Lösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A solution of 110 mg (0.2 mmol) of crude tert-butyl (3RS,4RS)-4-[4-(2-methylsulphonyloxy-ethoxy)-phenyl]-3-(naphthalen-2-ylmethoxy)-piperidine-1-carboxylate in 5 ml of dimethylformamide was treated with 70 mg (1.0 mmol) of 1,2,4-triazole sodium salt and the reaction mixture was heated to 100° C. for 6 hours. Subsequently, the mixture was cooled to room temperature and the dimethylformamide was distilled off in an oil pump vacuum. The residue was taken up in 10 ml of methylene chloride, washed with 2 ml of water, the organic phase was dried over sodium sulphate and evaporated under reduced pressure. The residue was chromatographed on silica gel using a 95:5:0.1 mixture of methylene chloride, methanol and ammonia as the eluent. There were obtained 90 mg (85% of theory) of tert-butyl (3RS,4RS)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylate as a colourless oil; MS: 529 (M+H)+.

Aufarbeitung

  1. temperatureSubsequently, the mixture was cooled to room temperature
  2. distillationthe dimethylformamide was distilled off in an oil pump vacuum
  3. washwashed with 2 ml of water
  4. dry with materialthe organic phase was dried over sodium sulphate
  5. customevaporated under reduced pressure
  6. customThe residue was chromatographed on silica gel using
  7. additiona 95:5:0.1 mixture of methylene chloride, methanol and ammonia as the eluent

Quellen und Nachweise

ORD-Eintrag
ord-0c44144eebda46e28b9e80c8a62c825c
Quelldatensatz
uspto-grants-2000_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06150526

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