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Water → (R)-4-(1-(4-cyclopropoxy-6-(2-cyclopropylethynyl)pyrido[3,2-d]pyrimidin-2-ylamino)ethyl)benzenesulfonamide

HRID 42367
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 42367
Cl[C:2]1[CH:3]=[CH:4][C:5]2[N:6]=[C:7]([NH:16][CH:17]([C:19]3[CH:24]=[CH:23][C:22]([S:25]([NH2:28])(=[O:27])=[O:26])=[CH:21][CH:20]=3)[CH3:18])[N:8]=[C:9]([O:12][CH:13]3[CH2:15][CH2:14]3)[C:10]=2[N:11]=1.[C:29]([CH:31]1[CH2:33][CH2:32]1)#[CH:30].O>CN(C=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[CH:13]1([O:12][C:9]2[C:10]3[N:11]=[C:2]([C:30]#[C:29][CH:31]4[CH2:33][CH2:32]4)[CH:3]=[CH:4][C:5]=3[N:6]=[C:7]([NH:16][C@@H:17]([C:19]3[CH:24]=[CH:23][C:22]([S:25]([NH2:28])(=[O:27])=[O:26])=[CH:21][CH:20]=3)[CH3:18])[N:8]=2)[CH2:15][CH2:14]1
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Komponenten

7

Edukt 3

HCID 962WaterHCID 138823CyclopropylacetyleneHCID 767384494-[1-(6-Chloro-4-cyclopropoxy-pyrido[3,2-d]pyrimidin-2-ylamino)-ethyl]-benzenesulfonamide

Produkt 1

HCID 58275408(R)-4-(1-(4-cyclopropoxy-6-(2-cyclopropylethynyl)pyrido[3,2-d]pyrimidin-2-ylamino)ethyl)benzenesulfonamideAusbeute 77,7 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 178418476HCID 178418476, VerbindungKatalysator
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

A mixture of 4-[1-(6-Chloro-4-cyclopropoxy-pyrido[3,2-d]pyrimidin-2-ylamino)-ethyl]-benzenesulfonamide (300 mg, 0.71 mmol), PdCl2(PPh3)2 (25 mg, 0.035 mmol), CuI (13.5 mg, 0.07 mmol) in TEA (1 mL) and DMF (5 mL) was degassed for 10 min then purged with argon. Ethynyl-cyclopropane (0.3 mL, 3.5 mmol) was added and the reaction tube was sealed and heated at 80° C. for 3 hours. After cooling to room temperature, the reaction mixture was poured into water and extracted twice with EtOAc. The combined organic layers were washed with 5% LiCl solution and brine. Solvent was removed by concentration in vacuo and the residue was purified by RP HPLC using a C18 column with a gradient of H2O, 0.1% TFA-acetonitrile, to provide 248 mg (62%) of desired product. MS (m/z) 450.0 [M+H]+; HPLC Rt=2.16 min.

Aufarbeitung

  1. customwas degassed for 10 min
  2. customthen purged with argon
  3. customthe reaction tube was sealed
  4. temperatureAfter cooling to room temperature
  5. extractionextracted twice with EtOAc
  6. washThe combined organic layers were washed with 5% LiCl solution and brine
  7. customSolvent was removed by concentration in vacuo
  8. customthe residue was purified by RP HPLC

Quellen und Nachweise

ORD-Eintrag
ord-675049cfd59f4a7eba02f6414bc4cfb3
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08536187B2

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