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Tetrahydrofuran → HCID 178438734, compound

HRID 2048365
Notes
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Reaction equation

HRID 2048365 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:35]2[C:36]([C:41]#[N:42])=[CH:37][CH:38]=[CH:39][CH:40]=2)[CH:5]=[CH:6][C:7]=1[CH2:8][C:9]1[C:10](=[O:34])[N:11]([CH:21]2[CH2:33][CH2:32][C:24]3([O:28][C@H:27]4[CH2:29][O:30][CH2:31][C@H:26]4[O:25]3)[CH2:23][CH2:22]2)[C:12]2[N:13]([N:18]=[CH:19][N:20]=2)[C:14]=1[CH2:15][CH2:16][CH3:17].C([BH3-])#N.[Na+].O1CCCC1>C(OCC)(=O)C>[F:1][C:2]1[CH:3]=[C:4]([C:35]2[C:36]([C:41]#[N:42])=[CH:37][CH:38]=[CH:39][CH:40]=2)[CH:5]=[CH:6][C:7]=1[CH2:8][C:9]1[C:10](=[O:34])[N:11]([C@H:21]2[CH2:22][CH2:23][C@H:24]([O:25][C@H:26]3[C@@H:27]([OH:28])[CH2:29][O:30][CH2:31]3)[CH2:32][CH2:33]2)[C:12]2[N:13]([N:18]=[CH:19][N:20]=2)[C:14]=1[CH2:15][CH2:16][CH3:17]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8028TetrahydrofuranHCID 5003444Sodium cyanoborohydrideHCID 670096383'-fluoro-4'-({5-oxo-7-propyl-4-[(3a'R,6a'S)-tetrahydrospiro[cyclohexane-1,2'-furo[3,4-d][1,3]dioxol]-4-yl]-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrile

Product 1

HCID 178438734HCID 178438734, compoundYield 30%

Reagents, catalysts & solvents 1

HCID 8857
Ethyl Acetate
Solvent

Conditions

Temperature
70 °C

Procedure

A mixture of 3′-fluoro-4′-({5-oxo-7-propyl-4-[(3a′R,6a′S)-tetrahydrospiro[cyclohexane-1,2′-furo[3,4-d][1,3]dioxol]-4-yl]-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrile (1.3 g), sodium cyanoborohydride (2.9 g), boron trifluoride-diethyl ether complex (5.9 mL) and tetrahydrofuran (50 mL) was stirred at 70° C. for 2 days. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.39 g, 30%).

Workup

  1. washwashed with water
  2. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customthe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-f8c29f5835cb4613a47f689e6c5dd41e
Source dataset
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08592431B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes