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Methanesulfonyl chloride → N-[(1S,2R,3S,4R)-4-(6-Amino-2-chloro-purin-9-yl)-2,3-dihydroxy-cyclopentyl]-methane-sulfonamide trifluoroacetate

HRID 1696979
Notes
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Reaction equation

HRID 1696979 reaction equation
[F:1][C:2]([F:7])([F:6])[C:3]([OH:5])=[O:4].[NH2:8][C@H:9]1[CH2:13][C@@H:12]([N:14]2[CH:22]=[N:21][C:20]3[C:15]2=[N:16][C:17]([Cl:24])=[N:18][C:19]=3[NH2:23])[C@H:11]([OH:25])[C@@H:10]1[OH:26].C(N(C(C)C)CC)(C)C.[S:36](Cl)([CH3:39])(=[O:38])=[O:37]>C1COCC1>[F:1][C:2]([F:7])([F:6])[C:3]([OH:5])=[O:4].[NH2:23][C:19]1[N:18]=[C:17]([Cl:24])[N:16]=[C:15]2[C:20]=1[N:21]=[CH:22][N:14]2[C@@H:12]1[CH2:13][C@H:9]([NH:8][S:36]([CH3:39])(=[O:38])=[O:37])[C@@H:10]([OH:26])[C@H:11]1[OH:25]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 86622621(1S,2R,3S,5R)-3-Amino-5-(6-amino-2-chloro-purin-9-yl)-cyclopentane-1,2-diol trifluoroacetate

Product 1

HCID 86622624N-[(1S,2R,3S,4R)-4-(6-Amino-2-chloro-purin-9-yl)-2,3-dihydroxy-cyclopentyl]-methane-sulfonamide trifluoroacetate

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

(1S,2R,3S,5R)-3-Amino-5-(6-amino-2-chloro-purin-9-yl)-cyclopentane-1,2-diol trifluoroacetate (20 mg, 39 μmol) and diisopropylethylamine (25 mg, 190 μmol) are placed in a flask with dry THF (1 ml). Mesyl chloride (4.5 mg, 39 μmol) is added and the reaction mixture is stirred at room temperature. The reaction is shown to be complete by LCMS after 3 hours. The solvent is removed in vacuo and the title compound is obtained after purification by reverse phase column chromatography (Isolute™ C18, 0-100% acetonitrile in water—0.1% TFA). MS (ES+) m/e 363 (MH+).

Workup

  1. customThe solvent is removed in vacuo

Sources & evidence

ORD record
ord-4843ffc9a7734794adcbb01c0ecaac1d
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08163754B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes