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Tetrahydrofuran → (S)-8-(2-amino-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one

HRID 1848542
Notes
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Reaction equation

HRID 1848542 reaction equation
[N:1]([C@@H:4]([C:24]1[C:25]([CH3:34])=[C:26]2[C:30](=[CH:31][CH:32]=1)[C:29](=[O:33])[O:28][CH2:27]2)[CH2:5][N:6]1[CH2:23][CH2:22][C:9]2([C:13](=[O:14])[N:12]([C:15]3[CH2:16][O:17][C:18](=[O:21])[C:19]=3[CH3:20])[CH2:11][CH2:10]2)[CH2:8][CH2:7]1)=[N+]=[N-].O1CCCC1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>O>[NH2:1][C@@H:4]([C:24]1[C:25]([CH3:34])=[C:26]2[C:30](=[CH:31][CH:32]=1)[C:29](=[O:33])[O:28][CH2:27]2)[CH2:5][N:6]1[CH2:7][CH2:8][C:9]2([C:13](=[O:14])[N:12]([C:15]3[CH2:16][O:17][C:18](=[O:21])[C:19]=3[CH3:20])[CH2:11][CH2:10]2)[CH2:22][CH2:23]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8028TetrahydrofuranHCID 11776TriphenylphosphineHCID 86709528(S)-8-(2-azido-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one

Product 1

HCID 72948649(S)-8-(2-amino-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

To a solution of (S)-8-(2-azido-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one (200 mg, 0.43 mmol) in a mixed solvent of tetrahydrofuran and water (v:v, 12:1, 20 mL) was added triphenylphosphine (225 mg, 0.86 mmol) under nitrogen atmosphere. The reaction mixture was stirred at room temperature for 18 h. The solvent was removed by evaporation and the residue was purified by preparative TLC (dichloromethane: methanol=10:1) to afford the title compound as a solid.

Workup

  1. customThe solvent was removed by evaporation
  2. customthe residue was purified by preparative TLC (dichloromethane: methanol=10:1)

Sources & evidence

ORD record
ord-77c3388eea5646c5b05d0e9f64282bac
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08952166B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes