Trimethylsilyl iodide → HCID 131726823, compound

HRID 1782637Notes

Reaction equation

HRID 1782637 reaction equation
[Si](I)(C)(C)C.C[C@:7]([NH:35]C(OC(C)(C)C)=O)([CH2:11][S:12][CH2:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][C:23]([N:26]3[C:34]4[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=4)[CH:28]=[CH:27]3)=[CH:22][CH:21]=2)=[CH:16][CH:15]=1)[C:8]([O-:10])=[O:9].[C:43](=O)(O)[O-].[Na+]>C(Cl)Cl>[CH3:43][O:10][C:8](=[O:9])[C@@H:7]([NH2:35])[CH2:11][S:12][CH2:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][C:23]([N:26]3[C:34]4[C:29](=[CH:30][CH:31]=[CH:32][CH:33]=4)[CH:28]=[CH:27]3)=[CH:22][CH:21]=2)=[CH:16][CH:15]=1

Participants

5

Reactant 3

HCID 85247Trimethylsilyl iodideHCID 516892Sodium BicarbonateHCID 131726821HCID 131726821, compound

Product 1

HCID 131726823HCID 131726823, compoundYield 95%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

TMSI (1.56 mL, 10.63 mmol) was added dropwise to a stirred solution of (2R)-methyl-tert-butoxycarbonylamino-3-(4′-indol-1-ylbiphen-4-ylmethylsulfanyl)-propionate (4.47 g, 8.66 mmol) in anhydrous methylene chloride (50 mL). The reaction was stirred for 10 mins. and then poured into 1N sodium bicarbonate solution (50 mL), extracted with ethyl acetate (3×50 mL). The combined extract was washed with water, brine, dried over anhydrous MgSO4, filtered and concentrated in vacuo. Purification of the product by flash column chromatography, using 5% methanol in methylene chloride as eluent, afforded the title compound as a yellow oil (3.43 g, 95%):. Rf=0.65 (10% methanol in dichloromethane). 1H NMR (DMSO-d6, 300 MHz): δ 7.86 (2H, d, J=8 Hz, Ar—H), 7.64-7.72 (6H, m, Ar—H), 7.61 (1H, d, J=8 Hz, , Ar—H), 7.42 (1H, d, J=8 Hz, Ar—H), 7.21 (1H, td, J=7, 2 Hz, Ar—H), 7.14 (1H, td, J=7, 2 Hz, Ar—H), 6.72 (1H, d, J=3.5 Hz, Ar—H), 3.80 (2H, s, PhCH2), 3.62 (3H, s, OMe), 3.56 (1H, t, J=6.5 Hz, CHN), 2.68 (1H, dd, J=6.5, 3 Hz, CHHCHN), 2.63 (1H, dd, J=6.5, 3 Hz, CHHCHN), 2.04 (2H, br s, NH2).

Workup

  1. extractionextracted with ethyl acetate (3×50 mL)
  2. extractionThe combined extract
  3. washwas washed with water, brine
  4. dry with materialdried over anhydrous MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customPurification of the product by flash column chromatography

Sources & evidence

ORD record
ord-b6d87d33e4204defae757acd759b3761
Source dataset
uspto-grants-2009_03
Patent number
US07498356B2

Reaction notes

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