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Triphenylphosphine → ethyl ((1S)-5-{3-[(2-chloro-5-methyl-4-pyrimidinyl)(methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

HRID 2235950
Notes
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Reaction equation

HRID 2235950 reaction equation
[Cl:1][C:2]1[N:7]=[C:6]([N:8]([CH3:13])[CH2:9][CH2:10][CH2:11][OH:12])[C:5]([CH3:14])=[CH:4][N:3]=1.[CH2:15]([O:17][C:18](=[O:30])[CH2:19][C@H:20]1[C:28]2[C:23](=[CH:24][C:25](O)=[CH:26][CH:27]=2)[CH2:22][CH2:21]1)[CH3:16].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1CCN(C(N=NC(N2CCCCC2)=O)=O)CC1>C1COCC1>[Cl:1][C:2]1[N:7]=[C:6]([N:8]([CH3:13])[CH2:9][CH2:10][CH2:11][O:12][C:25]2[CH:24]=[C:23]3[C:28](=[CH:27][CH:26]=2)[C@H:20]([CH2:19][C:18]([O:17][CH2:15][CH3:16])=[O:30])[CH2:21][CH2:22]3)[C:5]([CH3:14])=[CH:4][N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 11776Triphenylphosphine2×HCID 730421,1'-(Azodicarbonyl)dipiperidine2×HCID 16110404ethyl 2-[(1S)-5-hydroxy-2,3-dihydro-1H-inden-1-yl]acetateHCID 593004673-[(2-Chloro-5-methyl-4-pyrimidinyl)(methyl)amino]-1-propanol

Product 1

HCID 59300440ethyl ((1S)-5-{3-[(2-chloro-5-methyl-4-pyrimidinyl)(methyl)amino]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate
Yield 77%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 3-[(2-chloro-5-methyl-4-pyrimidinyl)(methyl)amino]-1-propanol (Example 341, 785 mg, 3.64 mmol) and ethyl [(1S)-5-hydroxy-2,3-dihydro-1H-inden-1-yl]acetate (Example 6, 401 mg, 1.82 mmol) in THF (17 mL) were added PPh3 (954 mg, 3.64 mmol) and ADDP (918 mg, 3.64 mmol). The reaction mixture was vigorously stirred at rt for 24 h after which additional PPh3 (954 mg, 3.64 mmol) and ADDP (918 mg, 3.64 mmol) were added. After an additional 24 h, the reaction mixture was concentrated under reduced pressure and the residue was purified by silica gel chromatography (3:1 hexanes/EtOAc) to give the product (586 mg, 77%) as a colorless oil. 1H NMR (400 MHz, CDCl3) δ 1.26 (t, 3H), 1.71-1.76 (m, 1H), 2.06-2.11 (m, 2H), 2.26 (s, 3H), 2.34-2.42 (m, 2H), 2.67-2.88 (m, 3H), 3.15 (s, 3H), 3.49-3.50 (m, 1H), 3.70 (t, 2H), 3.94 (t, 2H), 4.13 (q, 2H), 6.64 (d, 1 H), 6.70 (s, 1H), 7.02 (d, 1H), 7.75 (s, 1H).

Workup

  1. additionwere added
  2. concentrationthe reaction mixture was concentrated under reduced pressure
  3. customthe residue was purified by silica gel chromatography (3:1 hexanes/EtOAc)

Sources & evidence

ORD record
ord-27277c552f6e4bee8d2182db36390fb4
Source dataset
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07714004B2

Reaction notes

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