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tert-butyl N-(4-aminobutyl)carbamate → HCID 68186050, compound

HRID 1526702
Notes
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Reaction equation

HRID 1526702 reaction equation
ClC1C=CC(C2C3C=C(OC)C=CC=3N3C(C)=NN=C3[C@H](CC(O)=O)N=2)=CC=1.[Cl:29][C:30]1[CH:35]=[CH:34][C:33]([C:36]2[C:42]3[CH:43]=[C:44]([O:47][CH3:48])[CH:45]=[CH:46][C:41]=3[N:40]3[C:49]([CH3:52])=[N:50][N:51]=[C:39]3[C@H:38]([CH2:53][C:54]([NH:56][CH2:57][CH3:58])=[O:55])[N:37]=2)=[CH:32][CH:31]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.NC[CH2:94][CH2:95][CH2:96][NH:97][C:98](=[O:104])[O:99][C:100]([CH3:103])([CH3:102])[CH3:101]>>[Cl:29][C:30]1[CH:31]=[CH:32][C:33]([C:36]2[C:42]3[CH:43]=[C:44]([O:47][CH3:48])[CH:45]=[CH:46][C:41]=3[N:40]3[C:49]([CH3:52])=[N:50][N:51]=[C:39]3[C@H:38]([CH2:53][C:54]([NH:56][CH2:57][CH2:58][CH2:94][CH2:95][CH2:96][NH:97][C:98](=[O:104])[O:99][C:100]([CH3:103])([CH3:102])[CH3:101])=[O:55])[N:37]=2)=[CH:34][CH:35]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 5

HCID 4351tert-butyl N-(4-aminobutyl)carbamateHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 469434322-[(4S)-6-(4-Chlorophenyl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamideHCID 67173666I-BET762 carboxylic acid

Product 1

HCID 68186050HCID 68186050, compound

Procedure

A mixture of [(4S)-6-(4-chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetic acid (for a preparation see Reference compound H) (1.0 g, 2.5 mmol), HATU (1.9 g, 5 mmol) and DIPEA (0.88 ml, 5 mmol) was stirred for 80 minutes at room temperature, to this was added 1,1-dimethylethyl (4-aminobutyl)carbamate (1.05 ml, 5.0 mmol, available from Aldrich). The reaction mixture was stirred at room temperature for 2 h before it was concentrated. The residue was taken up in dichloromethane and washed with 1N HCl. The aqueous layer was extracted with dichloromethane twice. Organic layer was washed with 1N sodium hydroxide, followed by a saturated solution of sodium chloride, dried over sodium sulphate and concentrated. The residue was purified by flash-chromatography on silica using dichloromethane/methanol 95/5 to give the title compound as a yellow solid (1.2 g). LC/MS (Method A): rt=3.04 min.

Workup

  1. stirringThe reaction mixture was stirred at room temperature for 2 h before it
  2. concentrationwas concentrated
  3. washwashed with 1N HCl
  4. extractionThe aqueous layer was extracted with dichloromethane twice
  5. washOrganic layer was washed with 1N sodium hydroxide
  6. dry with materialdried over sodium sulphate
  7. concentrationconcentrated
  8. customThe residue was purified by flash-chromatography on silica

Sources & evidence

ORD record
ord-26f35b5265d54dc2bda976b9aafe9a05
Source dataset
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09085582B2

Reaction notes

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