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4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride → (9H-fluoren-9-yl)methyl (S)-1-(((S)-1,1-diethoxypropan-2-yl)(quinolin-8-ylmethyl)amino)-3-(4-hydroxy-2,6-dimethylphenyl)-1-oxopropan-2-ylcarbamate

HRID 2361998
Notes
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Reaction equation

HRID 2361998 reaction equation
[CH:1]1[C:13]2[CH:12]([CH2:14][O:15][C:16]([NH:18][C@@H:19]([CH2:23][C:24]3[C:29]([CH3:30])=[CH:28][C:27]([OH:31])=[CH:26][C:25]=3[CH3:32])[C:20](O)=[O:21])=[O:17])[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)[C:5]=2[CH:4]=[CH:3][CH:2]=1.[CH2:33]([O:35][CH:36]([O:51][CH2:52][CH3:53])[C@@H:37]([NH:39][CH2:40][C:41]1[CH:42]=[CH:43][CH:44]=[C:45]2[C:50]=1[N:49]=[CH:48][CH:47]=[CH:46]2)[CH3:38])[CH3:34].[Cl-].COC1N=C(OC)N=C([N+]2(C)CCOCC2)N=1>ClCCl.C(OCC)(=O)C>[CH2:33]([O:35][CH:36]([O:51][CH2:52][CH3:53])[C@@H:37]([N:39]([CH2:40][C:41]1[CH:42]=[CH:43][CH:44]=[C:45]2[C:50]=1[N:49]=[CH:48][CH:47]=[CH:46]2)[C:20](=[O:21])[C@@H:19]([NH:18][C:16](=[O:17])[O:15][CH2:14][CH:12]1[C:13]2[CH:1]=[CH:2][CH:3]=[CH:4][C:5]=2[C:6]2[C:11]1=[CH:10][CH:9]=[CH:8][CH:7]=2)[CH2:23][C:24]1[C:29]([CH3:30])=[CH:28][C:27]([OH:31])=[CH:26][C:25]=1[CH3:32])[CH3:38])[CH3:34]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 27340594-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chlorideHCID 21106160Fmoc-2,6-dimethyl-L-tyrosineHCID 67074994(S)-1,1-diethoxy-N-(quinolin-8-ylmethyl)propan-2-amine

Product 1

HCID 86698531(9H-fluoren-9-yl)methyl (S)-1-(((S)-1,1-diethoxypropan-2-yl)(quinolin-8-ylmethyl)amino)-3-(4-hydroxy-2,6-dimethylphenyl)-1-oxopropan-2-ylcarbamateYield 55.2%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of (S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-3-(4-hydroxy-2,6-dimethylphenyl)propanoic acid (907 mg, 2.1 mmol) and (S)-1,1-diethoxy-N-(quinolin-8-ylmethyl)propan-2-amine (Compound IX-7) (577 mg, 2.0 mmol) in dichloromethane (10 ml) was added 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (660 mg, 2.1 mmol) and the mixture was stirred at room temperature for 5 hr. The reaction mixture was diluted with ethyl acetate (50 ml) and washed with saturated sodium bicarbonate (50 ml), water (50 ml) and brine (50 ml). The organic layer was dried over magnesium sulfate and filtered. The filtrate was concentrated in vacuo and the residue was purified by silica gel column chromatography (eluent: n-hexane:ethyl acetate=1:1) to obtain the title compound (775 mg, 55%).

Workup

  1. washwashed with saturated sodium bicarbonate (50 ml), water (50 ml) and brine (50 ml)
  2. dry with materialThe organic layer was dried over magnesium sulfate
  3. filtrationfiltered
  4. concentrationThe filtrate was concentrated in vacuo
  5. customthe residue was purified by silica gel column chromatography (eluent: n-hexane:ethyl acetate=1:1)

Sources & evidence

ORD record
ord-34df93a310d6487894566989d6c67ed2
Source dataset
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08691819B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes