Triethylamine → 1,3,5-trimethyl-1H-pyrazole-4-carboxylic acid {4-[3-cyclopropylmethyl-1-(2-fluorobenzyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-ylmethyl]-phenyl}-ethyl-amide

HRID 720689

Reaktionsgleichung

Reaktionsgleichung von HRID 720689
C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[CH3:20][N:21]1[C:25]([CH3:26])=[C:24]([C:27]([OH:29])=O)[C:23]([CH3:30])=[N:22]1.ClN1C(=O)CCC1=O.[CH:39]1([CH2:42][N:43]2[C:51]3[N:50]=[C:49]([CH2:52][C:53]4[CH:58]=[CH:57][C:56]([NH:59][CH2:60][CH3:61])=[CH:55][CH:54]=4)[NH:48][C:47]=3[C:46](=[O:62])[N:45]([CH2:63][C:64]3[CH:69]=[CH:68][CH:67]=[CH:66][C:65]=3[F:70])[C:44]2=[O:71])[CH2:41][CH2:40]1.C(N(CC)CC)C>ClCCl.CN(C)C1C=CN=CC=1>[CH:39]1([CH2:42][N:43]2[C:51]3[N:50]=[C:49]([CH2:52][C:53]4[CH:54]=[CH:55][C:56]([N:59]([CH2:60][CH3:61])[C:27]([C:24]5[C:23]([CH3:30])=[N:22][N:21]([CH3:20])[C:25]=5[CH3:26])=[O:29])=[CH:57][CH:58]=4)[NH:48][C:47]=3[C:46](=[O:62])[N:45]([CH2:63][C:64]3[CH:69]=[CH:68][CH:67]=[CH:66][C:65]=3[F:70])[C:44]2=[O:71])[CH2:41][CH2:40]1

Komponenten

8

Edukt 5

HCID 8471TriethylamineHCID 11776TriphenylphosphineHCID 31398ChlorosuccinimideHCID 7365141,3,5-trimethyl-1H-pyrazole-4-carboxylic acidHCID 218918193-Cyclopropylmethyl-8-[4-(ethyl-amino)-benzyl]-1-(2-fluorobenzyl)-3,7-dihydro-purine-2,6-dione

Produkt 1

HCID 587392471,3,5-trimethyl-1H-pyrazole-4-carboxylic acid {4-[3-cyclopropylmethyl-1-(2-fluorobenzyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-ylmethyl]-phenyl}-ethyl-amideAusbeute 82,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 142844-(Dimethylamino)pyridineKatalysatorHCID 6344DichloromethaneLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

A suspension of triphenylphosphine (59.3 mg, 0.226 mmol) and 1,3,5-trimethyl-1H-pyrazole-4-carboxylic acid (SALOR) (26.8 mg, 0.174 mmol) in dichloromethane was cooled to 0° C. and N-chlorosuccinimide added. The mixture was stirred at 0° C. for 0.5 h then ambient temperature for an additional 0.5 h. 3-Cyclopropylmethyl-8-[4-(ethyl-amino)-benzyl]-1-(2-fluorobenzyl)-3,7-dihydro-purine-2,6-dione (93.4 mg, 0.209 mmol) was added followed by triethylamine (30.2 mg, 0.226 mmol) and 4-dimethylaminopyridine (a few crystals). The reaction was left to stir at ambient temperature overnight before washing with 1M aqueous hydrochloric acid, saturated aqueous sodium bicarbonate, drying the organic extract (sodium sulfate) and concentrating in vacuo. Purification by chromatography using silica eluted with 5:9 methanol/dichloromethane gave the product as a colorless solid (83.5 mg, 69%). MS, m/z(M+H)=584.2787.

Aufarbeitung

  1. waitambient temperature for an additional 0.5 h
  2. waitThe reaction was left
  3. stirringto stir at ambient temperature overnight
  4. washbefore washing with 1M aqueous hydrochloric acid, saturated aqueous sodium bicarbonate
  5. customdrying the
  6. extractionorganic extract (sodium sulfate)
  7. concentrationconcentrating in vacuo
  8. customPurification by chromatography
  9. washeluted with 5:9 methanol/dichloromethane

Quellen und Nachweise

ORD-Eintrag
ord-314541c9432d4781942a7834c8a30caf
Quelldatensatz
uspto-grants-2006_11
Patentnummer
US07135475B2

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