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N-(tert-butoxycarbonyl)glycine → HCID 18475838, compound

HRID 2187876
Notes
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Reaction equation

HRID 2187876 reaction equation
[C:1]([O:5][C:6]([NH:8][CH2:9][C:10]([OH:12])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].C1CN([P+](ON2N=NC3C=CC=CC2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.[NH2:46][C:47]1[C:56]2[C:51](=[CH:52][CH:53]=[C:54]([O:57][CH2:58][C:59]3[CH:64]=[CH:63][CH:62]=[CH:61][CH:60]=3)[CH:55]=2)[CH:50]=[CH:49][CH:48]=1.C(N(CC)C(C)C)(C)C>C(Cl)Cl>[CH2:58]([O:57][C:54]1[CH:55]=[C:56]2[C:51]([CH:50]=[CH:49][CH:48]=[C:47]2[NH:46][C:10](=[O:12])[CH2:9][NH:8][C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:7])=[CH:52][CH:53]=1)[C:59]1[CH:60]=[CH:61][CH:62]=[CH:63][CH:64]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 78288N-(tert-butoxycarbonyl)glycineHCID 81531DiisopropylethylamineHCID 2724699PyBOPHCID 18433613HCID 18433613, compound

Product 1

HCID 18475838HCID 18475838, compound

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To N-(tert-butoxycarbonyl)glycine (527 mg, 3.01 mmol) in dry CH2Cl2 (5 mL) under argon were added PYBOP (1.65 g, 3.16 mmol), 1-amino-7-benzyloxynaphthalene, as described above in Step J, (750 mg, 3.01 mmol), and N,N-diisopropylethylamine (0.55 mL, 3.16 mmol). The reaction mixture was stirred for 18 hrs, then partitioned between CH2Cl2 (200 mL) and 10% aqueous citric acid (50 mL). The organic layer was dried over Na2SO4, filtered, and concentrated in vacuo. The crude product was sufficiently pure for use in the next reaction.

Workup

  1. custompartitioned between CH2Cl2 (200 mL) and 10% aqueous citric acid (50 mL)
  2. dry with materialThe organic layer was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe crude product was sufficiently pure for use in the next reaction

Sources & evidence

ORD record
ord-7d95aa5840c64f4eb17a969732875b00
Source dataset
uspto-grants-2002_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06410534B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes