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Dimethylformamide → N-{5-[4-Amino-1-(phenylsulfonyl)-1H-indazol-6-yl]-2-chloro-3-pyridinyl}methanesulfonamide

HRID 1695722
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Reaktionsgleichung

Reaktionsgleichung von HRID 1695722
[C:1]1([S:7]([N:10]2[C:18]3[CH:17]=[C:16]([Sn](C)(C)C)[CH:15]=[C:14]([NH2:23])[C:13]=3[CH:12]=[N:11]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CN(C=O)C.Br[C:30]1[CH:31]=[C:32]([NH:37][S:38]([CH3:41])(=[O:40])=[O:39])[C:33]([Cl:36])=[N:34][CH:35]=1>C(Cl)Cl.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[NH2:23][C:14]1[CH:15]=[C:16]([C:30]2[CH:31]=[C:32]([NH:37][S:38]([CH3:41])(=[O:40])=[O:39])[C:33]([Cl:36])=[N:34][CH:35]=2)[CH:17]=[C:18]2[C:13]=1[CH:12]=[N:11][N:10]2[S:7]([C:1]1[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1)(=[O:9])=[O:8]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 6228DimethylformamideHCID 582557431-(phenylsulfonyl)-6-(trimethylstannanyl)-1H-indazol-4-amineHCID 59519513N-(5-bromo-2-chloro-3-pyridinyl)methanesulfonamide

Produkt 1

HCID 58255829N-{5-[4-Amino-1-(phenylsulfonyl)-1H-indazol-6-yl]-2-chloro-3-pyridinyl}methanesulfonamideAusbeute 19,8 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 6344DichloromethaneLösungsmittel

Reaktionsbedingungen

Temperatur
120 °C

Versuchsvorschrift

Four identical reactions were carried out in a 20 ml microwave vial, each using one quarter of the quantities stated. They were then combined for work-up and purification. A solution of a quarter of 1-(phenylsulfonyl)-6-(trimethylstannanyl)-1H-indazol-4-amine (4.329 g, 9.93 mmol) in a quarter of DMF (24 ml) was treated with a quarter of N-(5-bromo-2-chloro-3-pyridinyl)methanesulfonamide (3.26 g, 11.42 mmol) followed by a quarter of Pd(PPh3)4 (1.032 g, 0.893 mmol). Each vial was heated at 120° C. for 50 mins in a Biotage Initiator. The orange solutions were combined and loaded onto a 20 g silica cartridge, and the vials washed with methanol (10 ml) which was also loaded onto the cartridge which was then eluted with methanol. Then eluants were evaporated to leave an orange oil. This was diluted with DCM (10 ml) and loaded directly and evenly onto 2×100 g silica cartridges. These were eluted with 0-100% ethyl acetate/cyclohexane over 80 mins using the Flashmaster II. Appropriate pure fractions were combined and evaporated to give the title compound as a yellow solid (0.939 g).

Aufarbeitung

  1. customThey were then combined for work-up and purification
  2. washthe vials washed with methanol (10 ml) which
  3. washwas then eluted with methanol
  4. customThen eluants were evaporated
  5. customto leave an orange oil
  6. washThese were eluted with 0-100% ethyl acetate/cyclohexane over 80 mins
  7. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-0c2976a389ba4c82a35beae9b02dad10
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08163743B2

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