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Aniline → N-phenyl-2-(tert-butoxycarbonylamino)-5-indan carboxamide

HRID 1581995
Notes
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Reaction equation

HRID 1581995 reaction equation
[C:1]([O:5][C:6]([NH:8][CH:9]1[CH2:17][C:16]2[C:11](=[CH:12][CH:13]=[C:14]([C:18](O)=[O:19])[CH:15]=2)[CH2:10]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[NH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1.C(N(CC)CC)C.CN(C1C=CC=CN=1)C>C(Cl)Cl>[C:22]1([NH:21][C:18]([C:14]2[CH:15]=[C:16]3[C:11](=[CH:12][CH:13]=2)[CH2:10][CH:9]([NH:8][C:6]([O:5][C:1]([CH3:3])([CH3:2])[CH3:4])=[O:7])[CH2:17]3)=[O:19])[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6115AnilineHCID 8471TriethylamineHCID 218852-DimethylaminopyridineHCID 227195982-((tert-butoxycarbonyl)amino)-2,3-dihydro-1H-indene-5-carboxylic acid

Product 1

HCID 22719646N-phenyl-2-(tert-butoxycarbonylamino)-5-indan carboxamideYield 70%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

Using 2-(tert-butoxycarbonylamino)-5-carboxyindan (30 mg, 0.11 mmol) synthesized in Preparation Example 4, aniline (21 μl, 0.23 mmol), triethylamine (0.20 ml, 1.4 mmol), propanephosphonic acid anhydride (0.3 ml), dimethylaminopyridine (a catalytic amount) and methylene chloride (0.25 ml), a similar procedure to a) in Example 29 was carried out. The product obtained was purified by silica gel chromatography (hexane:ethyl acetate=4:1 to 7:3) to obtain N-phenyl-2-(tert-butoxycarbonylamino)-5-indan carboxamide (27 mg, 0.077 mmol) having the following physical properties:

Workup

  1. customThe product obtained
  2. customwas purified by silica gel chromatography (hexane:ethyl acetate=4:1 to 7:3)

Sources & evidence

ORD record
ord-2a83afdec58f4a3689ea6b09cdb0a145
Source dataset
uspto-grants-2004_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06734180B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes