((1S,2R,3S,4R)-4-{6-(2,2-diphenyl-ethylamino)-2-[(R)-3-(3-pyridin-3-yl-ureido)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxy-cyclopentyl)-carbamic acid benzyl ester trifluoroacetate → 1-{(R)-1-[9-((1R,2S,3R,4S)-4-amino-2,3-dihydroxy-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-pyrrolidin-3-yl}-3-pyridin-3-yl-urea

HRID 2382440Notes

Reaction equation

HRID 2382440 reaction equation
FC(F)(F)C(O)=O.C(OC(=O)[NH:17][C@H:18]1[CH2:22][C@@H:21]([N:23]2[CH:31]=[N:30][C:29]3[C:24]2=[N:25][C:26]([N:47]2[CH2:51][CH2:50][C@@H:49]([NH:52][C:53]([NH:55][C:56]4[CH:57]=[N:58][CH:59]=[CH:60][CH:61]=4)=[O:54])[CH2:48]2)=[N:27][C:28]=3[NH:32][CH2:33][CH:34]([C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)[C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=2)[C@H:20]([OH:62])[C@@H:19]1[OH:63])C1C=CC=CC=1>C(O)C.[Pd]>[NH2:17][C@H:18]1[CH2:22][C@@H:21]([N:23]2[CH:31]=[N:30][C:29]3[C:24]2=[N:25][C:26]([N:47]2[CH2:51][CH2:50][C@@H:49]([NH:52][C:53]([NH:55][C:56]4[CH:57]=[N:58][CH:59]=[CH:60][CH:61]=4)=[O:54])[CH2:48]2)=[N:27][C:28]=3[NH:32][CH2:33][CH:34]([C:35]2[CH:36]=[CH:37][CH:38]=[CH:39][CH:40]=2)[C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)[C@H:20]([OH:62])[C@@H:19]1[OH:63]

Participants

4

Reactant 1

HCID 66631160((1S,2R,3S,4R)-4-{6-(2,2-diphenyl-ethylamino)-2-[(R)-3-(3-pyridin-3-yl-ureido)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxy-cyclopentyl)-carbamic acid benzyl ester trifluoroacetate

Product 1

HCID 666296911-{(R)-1-[9-((1R,2S,3R,4S)-4-amino-2,3-dihydroxy-cyclopentyl)-6-(2,2-diphenyl-ethylamino)-9H-purin-2-yl]-pyrrolidin-3-yl}-3-pyridin-3-yl-urea

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 702EthanolSolvent

Procedure

To a solution of ((1S,2R,3S,4R)-4-{6-(2,2-diphenyl-ethylamino)-2-[(R)-3-(3-pyridin-3-yl-ureido)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxy-cyclopentyl)-carbamic acid benzyl ester trifluoroacetate (35 mg, 46 μmol) in ethanol (1 ml) under an inert atmosphere of Argon is added 10% palladium on carbon (10 mg). The reaction mixture is purged with Argon and placed under a positive atmosphere of hydrogen overnight after which time, the mixture is filtered through celite and the catalyst washed with ethanol. The organic portions are combined and concentrated in vacuo to yield the title compound. MS (ES+) m/e 635 (MH+).

Workup

  1. customThe reaction mixture is purged with Argon
  2. customplaced under a positive atmosphere of hydrogen overnight
  3. filtrationthe mixture is filtered through celite
  4. washthe catalyst washed with ethanol
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-3d4d673293b647bca0b83109fe89ee4b
Source dataset
uspto-grants-2012_09
Patent number
US08258141B2

Reaction notes

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