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Diisopropylethylamine → (1,1-dimethyl-2-((N-methyl-N-((1R)-1-(N-methyl-N-((1R)-2-phenyl-1-((tetrahydrofuran-2-ylmethyl)carbamoyl)ethyl)-carbamoyl)-2-(2-naphthyl)ethyl)carbamoyl)methoxy)ethyl)carbamic acid tert-butyl ester

HRID 1601945
Notes
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Reaction equation

HRID 1601945 reaction equation
[C:1]([O:5][C:6]([NH:8][C:9]([CH3:17])([CH3:16])[CH2:10][O:11][CH2:12][C:13]([OH:15])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].ON1C2N=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC.[CH3:40][N:41]([C@@H:58]([C:66](=[O:74])[NH:67][CH2:68][CH:69]1[CH2:73][CH2:72][CH2:71][O:70]1)[CH2:59][C:60]1[CH:65]=[CH:64][CH:63]=[CH:62][CH:61]=1)[C:42](=[O:57])[C@H:43]([NH:55][CH3:56])[CH2:44][C:45]1[CH:54]=[CH:53][C:52]2[C:47](=[CH:48][CH:49]=[CH:50][CH:51]=2)[CH:46]=1.C(N(C(C)C)CC)(C)C>C(Cl)Cl>[C:1]([O:5][C:6](=[O:7])[NH:8][C:9]([CH3:17])([CH3:16])[CH2:10][O:11][CH2:12][C:13](=[O:15])[N:55]([CH3:56])[C@@H:43]([C:42](=[O:57])[N:41]([CH3:40])[C@@H:58]([C:66](=[O:74])[NH:67][CH2:68][CH:69]1[CH2:73][CH2:72][CH2:71][O:70]1)[CH2:59][C:60]1[CH:61]=[CH:62][CH:63]=[CH:64][CH:65]=1)[CH2:44][C:45]1[CH:54]=[CH:53][C:52]2[C:47](=[CH:48][CH:49]=[CH:50][CH:51]=2)[CH:46]=1)([CH3:2])([CH3:3])[CH3:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 181649HOAtHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 10776871(2-Bocamino-2-methyl-propoxy)-acetic acidHCID 11798704(2R)-N-Methyl-2-methylamino-3-(2-naphthyl)-N-((1R)-2-phenyl-1-(((tetrahydrofuran-2-yl)methyl)carbamoyl)ethyl)propionamide

Product 1

HCID 54202479
(1,1-dimethyl-2-((N-methyl-N-((1R)-1-(N-methyl-N-((1R)-2-phenyl-1-((tetrahydrofuran-2-ylmethyl)carbamoyl)ethyl)-carbamoyl)-2-(2-naphthyl)ethyl)carbamoyl)methoxy)ethyl)carbamic acid tert-butyl ester
Yield 78.9%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

(2-tert Butoxycarbonylamino-2-methylpropoxy)acetic acid (0.5 g; 2.06 mmol) was dissolved in methylene chloride (10 mL). 1-Hydroxy-7-azabenzotriazole (0.2 g; 1.51 mmol) and N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (0.30 g; 1.58 mmol) were added. The reaction mixture was stirred for 15 min at room temperature. (2R)-N-Methyl-2-methylamino-3-(2-naphthyl)-N-((1R)-2-phenyl-1-(((tetrahydrofuran-2-yl)methyl)carbamoyl)ethyl)propionamide (0.65 g; 1.37 mmol) and diisopropylethylamine (0.26 mL; 1.51 mmol) were added and the reaction mixture was stirred for 12 hours at room temperature. Methylene chloride (100 mL) was added. The reaction mixture was washed with an aqueous solution of sodium hydrogen sulfate (10%; 50 mL), an aqueous solution of sodium hydrogen carbonate (sat; 50 mL) and dried (magnesium sulfate). The solvent was removed in vacuo and the residue was filtered through silica to afford 0.76 g of (1,1-dimethyl-2-((N-methyl-N-((1R)-1-(N-methyl-N-((1R)-2-phenyl-1-((tetrahydrofuran-2-ylmethyl)carbamoyl)ethyl)-carbamoyl)-2-(2-naphthyl)ethyl)carbamoyl)methoxy)ethyl)carbamic acid tert-butyl ester.

Workup

  1. stirringthe reaction mixture was stirred for 12 hours at room temperature
  2. washThe reaction mixture was washed with an aqueous solution of sodium hydrogen sulfate (10%; 50 mL)
  3. dry with materialan aqueous solution of sodium hydrogen carbonate (sat; 50 mL) and dried (magnesium sulfate)
  4. customThe solvent was removed in vacuo
  5. filtrationthe residue was filtered through silica

Sources & evidence

ORD record
ord-192d18aa68cd4a72ae7c6ce12b47eb94
Source dataset
uspto-grants-1999_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05977178

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes