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Formate → HCID 178425605, compound

HRID 495042
Notes
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Reaction equation

HRID 495042 reaction equation
[C:1]([O:5][C:6](=[O:27])[C@H:7]([CH2:19][C:20]1[CH:25]=[CH:24][C:23]([OH:26])=[CH:22][CH:21]=1)[NH:8][C:9]1[C:13](OCC)=[N:12][S:11](=[O:18])(=[O:17])[N:10]=1)([CH3:4])([CH3:3])[CH3:2].C([O-])=O.[CH3:31][C:32]1[CH:33]=[C:34]([NH:38][C:39]([NH:41][CH2:42][CH2:43][NH2:44])=[O:40])[CH:35]=[CH:36][CH:37]=1.C(N(CC)CC)C>C(O)C>[C:1]([O:5][C:6](=[O:27])[C@H:7]([CH2:19][C:20]1[CH:25]=[CH:24][C:23]([OH:26])=[CH:22][CH:21]=1)[NH:8][C:9]1[C:13]([NH:44][CH2:43][CH2:42][NH:41][C:39]([NH:38][C:34]2[CH:35]=[CH:36][CH:37]=[C:32]([CH3:31])[CH:33]=2)=[O:40])=[N:12][S:11](=[O:17])(=[O:18])[N:10]=1)([CH3:3])([CH3:4])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 283FormateHCID 8471TriethylamineHCID 221388592-(3-Methylphenylaminocarbonylamino)eth-1-ylamineHCID 178467516HCID 178467516, compound

Product 1

HCID 178425605HCID 178425605, compoundYield 91%

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Procedure

To a solution of N-(4-ethoxy-1,1-dioxo-1,2,5-thiadiazol-3-yl)-L-tyrosine tert-butyl ester from Step A (150 mg, 0.38 mmol) and the formate salt of 2-(3-methylphenylaminocarbonylamino)eth-1-ylamine from Step B (210 mg, 0.89 mmol) in ethanol (10 mL) was added triethylamine (133 mg, 1.44 mmol). The reaction was stirred at room temperature overnight. Solvent was removed under reduced pressure and the residue purified by flash column chromatography (silica, 5% MeOH in EtOAc) to give N-[4-(2-(3-methylphenylamino-carbonylamino)eth-1-ylamino)-1,1-dioxo-1,2,5-thiadiazol-3-yl]-L-tyrosine tert-butyl ester (130 mg, 91%). MS (+ESI, m/e) 545 (M+H)+.

Workup

  1. customSolvent was removed under reduced pressure
  2. customthe residue purified by flash column chromatography (silica, 5% MeOH in EtOAc)

Sources & evidence

ORD record
ord-2384c864ec2d49e68936eff3c5de6883
Source dataset
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07538215B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes