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Sodium triacetoxyborohydride → N-[2-({(3R)-1-[4-Hydroxy-4-(4-iodophenyl)cyclohexyl]pyrrolidin-3-yl}amino)-2 oxoethyl]-3-(trifluoromethyl)benzamide

HRID 1025774
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Reaktionsgleichung

Reaktionsgleichung von HRID 1025774
[OH:1][C:2]1([C:9]2[CH:14]=[CH:13][C:12]([I:15])=[CH:11][CH:10]=2)[CH2:7][CH2:6][C:5](=O)[CH2:4][CH2:3]1.[NH:16]1[CH2:20][CH2:19][C@@H:18]([NH:21][C:22]([CH2:24][NH:25][C:26](=[O:37])[C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:36])([F:35])[F:34])[CH:28]=2)=[O:23])[CH2:17]1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>C(Cl)Cl>[OH:1][C:2]1([C:9]2[CH:14]=[CH:13][C:12]([I:15])=[CH:11][CH:10]=2)[CH2:7][CH2:6][CH:5]([N:16]2[CH2:20][CH2:19][C@@H:18]([NH:21][C:22](=[O:23])[CH2:24][NH:25][C:26](=[O:37])[C:27]3[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:34])([F:36])[F:35])[CH:28]=3)[CH2:17]2)[CH2:4][CH2:3]1
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Komponenten

5

Edukt 3

HCID 5049666Sodium triacetoxyborohydrideHCID 59556069(R)-N-(2-oxo-2-(pyrrolidin-3-ylamino)ethyl)-3-(trifluoromethyl)benzamideHCID 595561854-Hydroxy-4-(4-iodophenyl)cyclohexanone

Produkt 1

HCID 66787502N-[2-({(3R)-1-[4-Hydroxy-4-(4-iodophenyl)cyclohexyl]pyrrolidin-3-yl}amino)-2 oxoethyl]-3-(trifluoromethyl)benzamideAusbeute 36,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of 4-hydroxy-4-(4-iodophenyl)cyclohexanone (624 mg, 2 mmol) in CH2Cl2 (10 mL) was added N-((3R)-pyrrolidin-3-ylcarbamoylmethyl)-3-trifluoromethylbenzamide (730 mg, 2 mmol) and then NaBH(OAc)3 (666 mg, 3 mmol). After stirred for 1 h, the reaction was quenched with 10% NaHCO3, and extracted with EtOAc. The organic extracts were combined, washed with saline solution, dried over sodium sulfate, concentrated in vacuo. The residue was chromatographed on silica gel, eluting with 1% NH4OH in ethyl acetate/methanol (100/0 to 10/90) to yield the major isomer (544 mg, 44.2%) and the minor isomer (446 mg, 36.3% yield). For the major isomer, LCMS: 615.2 (M+H+, 100%); 1H NMR: (CDCl3) δ 8.09, (s, 1H); 7.98, (d, 1H); 7.77, (d, 1H); 7.67, (d, 2H); 7.57, (t, 1H); 7.28, (d, 2H); 7.22, (t, 1H, NH); 6.44, (d, 1H, NH); 4.49, (m, 1H); 4.12, (m, 2H); 2.87, (m, 1H); 2.64, (m, 2H); 2.38, (m, 1H); 2.25, (m, 4H); 1.93, (m, 2H); 1.54-1.70, (m, 6H).

Aufarbeitung

  1. customthe reaction was quenched with 10% NaHCO3
  2. extractionextracted with EtOAc
  3. washwashed with saline solution
  4. dry with materialdried over sodium sulfate
  5. concentrationconcentrated in vacuo
  6. customThe residue was chromatographed on silica gel
  7. washeluting with 1% NH4OH in ethyl acetate/methanol (100/0 to 10/90)
  8. customto yield the major isomer (544 mg, 44.2%)

Quellen und Nachweise

ORD-Eintrag
ord-67b6c2338bb34edb8ba406da6f94f2f9
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08729063B2

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